"Pseudo-MPEC" for 2015 ET
El asteroide “2015 ET” descubierto desde (703) Catalina Sky Survey (N32.41712 W110.73264); de entre 15 y 50 m. de diámetro, pasó a sólo 125.000 Km. a las 16h.48m. T.U. del 10/3/2015
Created 2015 Mar 13 9:03:35 UT using Find_Orb
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Astrometry:
K15E00T C2015 03 11.48740 13 05 20.35 +00 09 28.8 16.2 Vq.rwo 703
K15E00T C2015 03 11.49141 13 05 13.15 +00 07 23.3 16.4 Vq.rwo 703
K15E00T C2015 03 11.49542 13 05 06.02 +00 05 20.0 16.1 Vq.rwo 703
K15E00T C2015 03 11.49943 13 04 59.04 +00 03 15.4 16.1 Vq.rwo 703
K15E00T C2015 03 11.51940 13 04 25.74 -00 06 39.7 16.3 Vq.rwo 703
K15E00T C2015 03 11.51967 13 04 25.30 -00 06 48.0 16.4 Vq.rwo 703
K15E00T C2015 03 11.51994 13 04 24.90 -00 06 55.4 16.4 Vq.rwo 703
K15E00T C2015 03 11.52021 13 04 24.41 -00 07 03.5 16.5 Vq.rwo 703
K15E00T C2015 03 11.52048 13 04 24.05 -00 07 11.3 16.1 Vq.rwo 703
K15E00T KC2015 03 11.53049 13 04 08.86 -00 11 47.8 16.7 Ro.rwo 291
K15E00T KC2015 03 11.53145 13 04 07.38 -00 12 15.0 16.6 Ro.rwo 291
K15E00T KC2015 03 11.53237 13 04 05.97 -00 12 40.9 16.6 Ro.rwo 291
K15E00T C2015 03 11.57049 13 05 24.19 -00 30 48.6 17.0 Ro.rwo 300
K15E00T C2015 03 11.57087 13 05 23.57 -00 30 58.9 16.9 Ro.rwo 300
K15E00T C2015 03 11.57202 13 05 21.79 -00 31 28.1 17.0 Ro.rwo 300
K15E00T C2015 03 11.57240 13 05 21.18 -00 31 38.3 17.0 Ro.rwo 300
K15E00T C2015 03 11.57279 13 05 20.61 -00 31 48.3 16.7 Ro.rwo 300
K15E00T C2015 03 11.57355 13 05 19.39 -00 32 07.6 16.9 Ro.rwo 300
K15E00T C2015 03 11.57393 13 05 18.78 -00 32 17.5 16.7 Ro.rwo 300
K15E00T 5C2015 03 11.69142 13 02 06.85 -00 54 08.8 16.9 Rq.rwo Q62
K15E00T 5C2015 03 11.69307 13 02 04.66 -00 54 43.9 16.9 Rq.rwo Q62
K15E00T 5C2015 03 11.69449 13 02 02.75 -00 55 14.5 16.8 Rq.rwo Q62
K15E00T C2015 03 11.81470 13 00 28.33 -01 56 27.5 16.6 Rq.rwo O75
K15E00T C2015 03 11.81793 13 00 25.02 -01 57 17.7 17.2 Rq.rwo O75
K15E00T C2015 03 11.81914 13 00 23.80 -01 57 37.0 16.8 Rq.rwo O75
K15E00T C2015 03 11.81955 13 00 23.40 -01 57 42.8 16.8 Rq.rwo O75
K15E00T KC2015 03 11.91036 13 00 14.43 -02 18 41.4 17.3 Vq.rwo C77
K15E00T KC2015 03 11.91241 13 00 12.66 -02 19 08.8 17.2 Vq.rwo C77
K15E00T KC2015 03 11.91446 13 00 10.87 -02 19 36.1 17.4 Vq.rwo C77
K15E00T KC2015 03 11.91651 13 00 09.29 -02 20 04.6 17.2 Vq.rwo C77
K15E00T KC2015 03 11.91845 13 00 07.55 -02 20 30.4 17.4 Vq.rwo C77
K15E00T KC2015 03 11.93101 12 59 52.30 -02 23 36.9 t.rwo 595
K15E00T KC2015 03 11.93342 12 59 50.20 -02 24 08.2 17.2 Vt.rwo 595
K15E00T KC2015 03 11.93546 12 59 48.46 -02 24 34.6 17.3 Vt.rwo 595
K15E00T KC2015 03 12.10833 12 57 35.18 -02 57 06.2 t.rwo 204
K15E00T KC2015 03 12.11133 12 57 33.12 -02 57 35.6 t.rwo 204
K15E00T KC2015 03 12.11438 12 57 31.05 -02 58 05.3 t.rwo 204
K15E00T KC2015 03 12.11745 12 57 28.97 -02 58 35.0 t.rwo 204
K15E00T KC2015 03 12.12043 12 57 26.95 -02 59 04.1 17.3 Rt.rwo 204
K15E00T 9C2015 03 12.13637 12 57 31.75 -02 58 18.4 17.5 Vq.rwo G40
K15E00T 9C2015 03 12.16426 12 57 11.12 -03 02 41.6 17.4 Vq.rwo G40
K15E00T 9C2015 03 12.17098 12 57 06.34 -03 03 43.4 17.5 Vq.rwo G40
K15E00T |C2015 03 12.28756 12 56 31.39 -03 07 37.9 17.9 Vu.rwo 807
K15E00T |C2015 03 12.29162 12 56 28.78 -03 08 11.6 18.0 Vu.rwo 807
K15E00T |C2015 03 12.29566 12 56 26.19 -03 08 45.3 17.8 Vu.rwo 807
K15E00T KC2015 03 12.33454 12 56 20.96 -03 28 15.0 17.9 Rq.rwo H36
K15E00T KC2015 03 12.33745 12 56 19.24 -03 28 36.3 17.8 Rq.rwo H36
K15E00T KC2015 03 12.34034 12 56 17.53 -03 28 57.7 17.7 Rq.rwo H36
K15E00T KC2015 03 12.34324 12 56 15.82 -03 29 19.0 17.9 Rq.rwo H36
Station data:
(204) Schiaparelli Observatory (N45.8680 E8.7708) Italy. Observer L. Buzzi.
0.60-m f/4.64 Newtonian + CCD.
(291) LPL/Spacewatch II (N31.9617 W111.5991) US/Arizona.
(300) Bisei Spaceguard Center-BATTeRS (N34.67201 E133.54444) Japan.
(595) Farra d'Isonzo (N45.91578 E13.52578) Italy. Observers L. Bittesini,
F. Fabris, E. Pettarin, F. Piani. Measurer E. Pettarin. 0.30-m f/4.5
reflector + CCD.
(703) Catalina Sky Survey (N32.41712 W110.73264) US/Arizona. Observers E.
J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson, R. A.
Kowalski, S. M. Larson, F. C. Shelly. 0.68 m Schmidt + CCD.
(807) Cerro Tololo Observatory, La Serena (S30.1692 W70.8059) Chile.
Observers M. Holman, J. Kavelaars, T. Grav, W. Fraser. Measurer M. Holman.
4-m Blanco reflector + CCD.
(C77) Bernezzo Observatory (N44.3853 E7.4535) Italy.
(G40) Slooh.com Canary Islands Observatory (N28.29982 W16.50826) Canary Islands (Spain).
(H36) Sandlot Observatory, Scranton (N38.7977 W95.7064) US/Kansas. Observer
G. Hug. 0.56-m reflector + CCD.
(O75) ISON-Hureltogoot Observatory (N47.86533 E107.05180).
(Q62) iTelescope Observatory, Siding Spring (S31.27336 E149.06442) Australia/NSW.
Orbital elements: 2015 ET
Perihelion 2015 Feb 2.389850 +/- 0.00165 TT = 9:21:23 (JD 2457055.889850)
Epoch 2015 Mar 12.0 TT = JDT 2457093.5 Earth MOID: 0.0008 Ma: 0.0187
M 12.73475 +/- 0.0048 Find_Orb
n 0.33859897 +/- 0.000114 Peri. 124.21756 +/- 0.0008
a 2.03866386 +/- 0.000457 Node 354.17838 +/- 0.0008
e 0.5795857 +/- 0.000102 Incl. 0.59894 +/- 0.00017
P 2.91 H 26.7 G 0.15 U 6.6
q 0.85708337 +/- 1.6e-5 Q 3.22024435 +/- 0.000931
Perigee 2015 Mar 10.695881 +/- 0.000109 TT = 16:42:04 (JD 2457092.195881)
Epoch 2015 Mar 11.0 TT = JDT 2457092.5 Find_Orb
q125000.125 +/- 22.8
H 26.7 G 0.15 Peri. 97.01078 +/- 0.0007
Node 16.30371 +/- 0.00007
e 47.0359726 +/- 0.0195 Incl. 123.45486 +/- 0.0009
From 49 observations 2015 Mar. 11-12 (20.5 hr); mean residual 1".457.
Residuals in arcseconds:
150311 703 .084- .029+ 150311 300 .119- .111- 150312 204 1.31+ 2.29+
150311 703 .110+ .184+ 150311 300 .353- .252- 150312 204 1.34+ 2.29+
150311 703 .253- 1.28+ 150311 Q62 .118- .612+ 150312 204 1.51+ 2.34+
150311 703 .037+ .169- 150311 Q62 .233+ .678+ 150312 204 1.51+ 2.45+
150311 703 .162- .127+ 150311 Q62 .051+ .247+ 150312 204 1.27+ 2.15+
150311 703 .277- .322- 150311 O75 1.01+ 1.57+ 150312 G40 1.76+ 2.65+
150311 703 .200+ .124+ 150311 O75 .731+ 1.83+ 150312 G40 1.66+ 2.48+
150311 703 .679- .135- 150311 O75 .833+ 1.36+ 150312 G40 1.87+ 2.38+
150311 703 .384+ .099- 150311 O75 1.06+ 1.93+ 150312 807 1.68+ 3.34+
150311 291 .540+ .367+ 150311 C77 .979+ 1.82+ 150312 807 1.68+ 3.52+
150311 291 .469+ .332+ 150311 C77 .428+ 2.11+ 150312 807 1.53+ 3.33+
150311 291 .444+ .405+ 150311 C77 .413- 2.41+ 150312 H36 1.47+ 2.93+
150311 300 .000 .000 150311 C77 1.90+ 1.42+ 150312 H36 1.63+ 3.14+
150311 300 .365- .474- 150311 C77 .431+ 1.56+ 150312 H36 1.67+ 3.01+
150311 300 .040- .011+ 150311 595 1.36+ 1.42+ 150312 H36 1.71+ 2.97+
150311 300 .265- .397- 150311 595 .866+ 1.50+
150311 300 .343+ .355- 150311 595 0.99+ 1.56+
Ephemerides for Geocentric:
Date (UT) .d RA Dec delta r elong mag " sig PA
---- -- ---- ------------ ------------ ------ ------ ----- --- ---- ---
................
2015 03 10.4 23 59 40.323 +23 07 07.26 335395 0.9911 29.0 22.? 8.1 38
2015 03 10.5 23 33 12.489 +30 35 50.69 240862 0.9917 34.9 20.? 15 40
2015 03 10.6 22 20 15.188 +44 55 50.61 160308 0.9924 51.0 17.? 33 51
2015 03 10.7 17 57 36.821 +55 22 14.66 125143 0.9931 88.3 14.6 48 104
2015 03 10.8 14 47 18.682 +33 06 48.12 167263 0.9938 124.1 14.0 22 139
2015 03 10.9 13 56 06.693 +18 26 37.42 250103 0.9944 139.8 14.4 8.1 145
2015 03 11.0 13 35 04.862 +11 08 07.62 345353 0.9951 146.5 14.9 3.3 147
2015 03 11.1 13 23 47.786 +06 59 48.19 445040 0.9958 149.8 15.4 1.4 148
2015 03 11.2 13 16 47.018 +04 22 29.14 546703 0.9965 151.8 15.8 0.6 148
2015 03 11.3 13 12 00.516 +02 34 32.85 649396 0.9971 153.0 16.1 0.2 149
2015 03 11.4 13 08 32.934 +01 16 06.73 752685 0.9978 153.8 16.4 0.0 145
2015 03 11.5 13 05 55.624 +00 16 37.51 856348 0.9985 154.5 16.7 0.0 157
2015 03 11.6 13 03 52.289 -00 30 00.03 960261 0.9992 154.9 16.9 0.1 156
2015 03 11.7 13 02 12.981 -01 07 30.53 .00711 0.9998 155.3 17.1 0.1 158
2015 03 11.8 13 00 51.288 -01 38 19.48 .00781 1.0005 155.6 17.3 0.1 161
2015 03 11.9 12 59 42.890 -02 04 05.15 .00851 1.0012 155.9 17.5 0.1 165
2015 03 12.0 12 58 44.771 -02 25 56.22 .00921 1.0019 156.2 17.7 0.1 171
2015 03 12.1 12 57 54.764 -02 44 42.17 .00990 1.0026 156.4 17.8 0.1 0
2015 03 12.2 12 57 11.267 -03 00 59.46 .01060 1.0033 156.6 18.0 0.0 16
2015 03 12.3 12 56 33.076 -03 15 15.60 .01130 1.0039 156.8 18.1 0.0 40
2015 03 12.4 12 55 59.265 -03 27 51.71 .01200 1.0046 156.9 18.2 0.0 67
2015 03 12.5 12 55 29.110 -03 39 04.27 .01270 1.0053 157.1 18.3 0.1 89
2015 03 12.6 12 55 02.041 -03 49 06.34 .01340 1.0060 157.3 18.5 0.1 102
2015 03 12.7 12 54 37.596 -03 58 08.37 .01410 1.0067 157.4 18.6 0.1 110
2015 03 12.8 12 54 15.404 -04 06 18.87 .01480 1.0074 157.5 18.7 0.1 116
2015 03 12.9 12 53 55.160 -04 13 44.80 .01550 1.0081 157.7 18.8 0.1 119
2015 03 13.0 12 53 36.609 -04 20 31.91 .01620 1.0087 157.8 18.8 0.1 122
2015 03 13.1 12 53 19.540 -04 26 45.01 .01690 1.0094 158.0 18.9 0.1 124
2015 03 13.2 12 53 03.777 -04 32 28.15 .01760 1.0101 158.1 19.0 0.2 126
2015 03 13.3 12 52 49.168 -04 37 44.76 .01830 1.0108 158.2 19.1 0.2 127
2015 03 13.4 12 52 35.585 -04 42 37.75 .01900 1.0115 158.3 19.2 0.2 128
2015 03 13.5 12 52 22.917 -04 47 09.64 .01970 1.0122 158.5 19.3 0.2 129
2015 03 13.6 12 52 11.071 -04 51 22.58 .02040 1.0129 158.6 19.3 0.2 130
2015 03 13.7 12 51 59.962 -04 55 18.46 .02110 1.0136 158.7 19.4 0.2 130
2015 03 13.8 12 51 49.519 -04 58 58.91 .02180 1.0143 158.8 19.5 0.2 131
2015 03 13.9 12 51 39.679 -05 02 25.36 .02250 1.0150 158.9 19.5 0.2 131
2015 03 14.0 12 51 30.386 -05 05 39.07 .02320 1.0157 159.0 19.6 0.2 132
2015 03 14.1 12 51 21.593 -05 08 41.15 .02390 1.0164 159.2 19.7 0.3 132
2015 03 14.2 12 51 13.255 -05 11 32.59 .02460 1.0171 159.3 19.7 0.3 132
2015 03 14.3 12 51 05.333 -05 14 14.27 .02530 1.0178 159.4 19.8 0.3 132
2015 03 14.4 12 50 57.794 -05 16 46.96 .02601 1.0185 159.5 19.8 0.3 133
2015 03 14.5 12 50 50.607 -05 19 11.38 .02671 1.0192 159.6 19.9 0.3 133
2015 03 14.6 12 50 43.744 -05 21 28.14 .02741 1.0199 159.7 19.9 0.3 133
2015 03 14.7 12 50 37.179 -05 23 37.81 .02811 1.0206 159.8 20.0 0.3 133
2015 03 14.8 12 50 30.892 -05 25 40.91 .02881 1.0213 159.9 20.1 0.3 133
2015 03 14.9 12 50 24.861 -05 27 37.90 .02952 1.0221 160.1 20.1 0.3 134
2015 03 15.0 12 50 19.068 -05 29 29.20 .03022 1.0228 160.2 20.2 0.3 134
2015 03 15.1 12 50 13.496 -05 31 15.18 .03092 1.0235 160.3 20.2 0.3 134
2015 03 15.2 12 50 08.130 -05 32 56.21 .03162 1.0242 160.4 20.2 0.3 134
2015 03 15.3 12 50 02.957 -05 34 32.59 .03233 1.0249 160.5 20.3 0.3 134
2015 03 15.4 12 49 57.963 -05 36 04.62 .03303 1.0256 160.6 20.3 0.3 134
2015 03 15.5 12 49 53.136 -05 37 32.56 .03373 1.0263 160.7 20.4 0.3 134
2015 03 15.6 12 49 48.467 -05 38 56.67 .03443 1.0270 160.8 20.4 0.4 134
2015 03 15.7 12 49 43.945 -05 40 17.15 .03514 1.0278 160.9 20.5 0.4 134
2015 03 15.8 12 49 39.561 -05 41 34.24 .03584 1.0285 161.0 20.5 0.4 134
2015 03 15.9 12 49 35.308 -05 42 48.11 .03654 1.0292 161.1 20.5 0.4 134
2015 03 16.0 12 49 31.176 -05 43 58.94 .03725 1.0299 161.2 20.6 0.4 134
2015 03 16.1 12 49 27.159 -05 45 06.91 .03795 1.0306 161.4 20.6 0.4 134
2015 03 16.2 12 49 23.251 -05 46 12.16 .03866 1.0313 161.5 20.7 0.4 134
2015 03 16.3 12 49 19.445 -05 47 14.83 .03936 1.0321 161.6 20.7 0.4 134
2015 03 16.4 12 49 15.736 -05 48 15.06 .04007 1.0328 161.7 20.7 0.4 134
2015 03 16.5 12 49 12.118 -05 49 12.97 .04077 1.0335 161.8 20.8 0.4 134
2015 03 16.6 12 49 08.587 -05 50 08.67 .04148 1.0342 161.9 20.8 0.4 134
2015 03 16.7 12 49 05.137 -05 51 02.28 .04218 1.0350 162.0 20.8 0.4 134
2015 03 16.8 12 49 01.766 -05 51 53.89 .04289 1.0357 162.1 20.9 0.4 134
2015 03 16.9 12 48 58.467 -05 52 43.60 .04359 1.0364 162.2 20.9 0.4 134
2015 03 17.0 12 48 55.239 -05 53 31.49 .04430 1.0371 162.3 20.9 0.4 134
2015 03 17.1 12 48 52.078 -05 54 17.65 .04500 1.0379 162.4 21.0 0.4 134
2015 03 17.2 12 48 48.979 -05 55 02.16 .04571 1.0386 162.5 21.0 0.4 134
2015 03 17.3 12 48 45.941 -05 55 45.08 .04642 1.0393 162.6 21.0 0.4 134
2015 03 17.4 12 48 42.960 -05 56 26.50 .04712 1.0400 162.7 21.1 0.4 134
2015 03 17.5 12 48 40.034 -05 57 06.46 .04783 1.0408 162.8 21.1 0.4 134
2015 03 17.6 12 48 37.159 -05 57 45.04 .04854 1.0415 162.9 21.1 0.4 134
2015 03 17.7 12 48 34.335 -05 58 22.28 .04925 1.0422 163.1 21.2 0.4 134
2015 03 17.8 12 48 31.558 -05 58 58.25 .04995 1.0430 163.2 21.2 0.4 134
2015 03 17.9 12 48 28.827 -05 59 33.00 .05066 1.0437 163.3 21.2 0.4 134
2015 03 18.0 12 48 26.139 -06 00 06.58 .05137 1.0444 163.4 21.2 0.4 134
2015 03 18.1 12 48 23.493 -06 00 39.02 .05208 1.0452 163.5 21.3 0.4 134
2015 03 18.2 12 48 20.886 -06 01 10.38 .05279 1.0459 163.6 21.3 0.4 134
2015 03 18.3 12 48 18.318 -06 01 40.70 .05350 1.0467 163.7 21.3 0.4 134
2015 03 18.4 12 48 15.787 -06 02 10.01 .05421 1.0474 163.8 21.3 0.4 134
2015 03 18.5 12 48 13.291 -06 02 38.36 .05492 1.0481 163.9 21.4 0.5 134
2015 03 18.6 12 48 10.829 -06 03 05.77 .05563 1.0489 164.0 21.4 0.5 134
2015 03 18.7 12 48 08.399 -06 03 32.29 .05634 1.0496 164.1 21.4 0.5 134
2015 03 18.8 12 48 06.001 -06 03 57.94 .05705 1.0504 164.2 21.4 0.5 134
2015 03 18.9 12 48 03.633 -06 04 22.76 .05776 1.0511 164.3 21.5 0.5 134