103P

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2010-10-21 (JD 2455491.0)
Eccentricity (e)0.6950806879 ± 8.50e-07
Semi-major axis (a)3.4719838601 AU ± 1.01e-05
Inclination (i)13.61944472° ± 8.09e-06
Long. of Asc. Node (Ω)219.75855271° ± 1.72e-05
Arg. of Perihelion (ω)181.20579728° ± 2.65e-05
Mean Anomaly (M)358.96974617° ± 5.77e-06
Mean Motion (n)0.1523511475°/day ± 6.62e-07
Perihelion dist (q)1.05867493 AU ± 4.26e-06
Aphelion dist (Q)5.88529279 AU ± 1.73e-05
Orbital Period6.46943787 yr ± 2.81e-05
Physical Parameters
Diameter1.600 km
Rotation Period18.100 h
NGA Sets
NGA Modelg(r)
Set 1
Interval 1 2010-03-01 — 2010-09-01
A1-1.54957190e-08 AU/d² ± 1.66e-10
A24.13637886e-09 AU/d² ± 9.05e-11
A3-1.80570947e-09 AU/d² ± 1.45e-10
Set 2
Interval 1 2010-09-01 — 2010-10-28
A13.83863289e-09 AU/d² ± 1.55e-10
A2-4.38193650e-09 AU/d² ± 1.74e-10
A3-5.63848079e-10 AU/d² ± 1.28e-10
Set 3
Interval 1 2010-10-28 — 2011-01-01
A14.59554332e-09 AU/d² ± 2.37e-10
A25.74301617e-09 AU/d² ± 1.24e-10
A32.27234321e-09 AU/d² ± 1.04e-10
Set 4
Interval 1 2011-01-01 — 2011-06-01
A1-1.71641261e-08 AU/d² ± 1.49e-10
A2-7.23628355e-09 AU/d² ± 1.09e-10
A3-6.29889614e-10 AU/d² ± 8.91e-11
Set 5
Interval 1 1900-01-01 — 2100-01-01
S(R)-44.7 km ± 1.94e+01
S(T)258.1 km ± 2.51e+01
S(N)397.7 km ± 1.31e+01
Orbit Solution
SourceIAA
Solution Date2026-06-08
RMS Residual0.700″
Uncertainty0
Orbit TypeAmor
MOID0.065145 AU
Observations Used8892
Radar Obs Used6
Oppositions33
Arc Total1986-2025
First Observation Used1997-05-02
Last Observation Used2025-04-28
Observations (9766)
Date Type RA Dec Mag Band Observatory
2010-10-01 21:02:25 C 00 50 51.65 +55 27 37.9 u 510
2010-10-01 21:11:17 C 00 50 55.48 +55 27 48.5 u 510
2010-10-01 21:15:02 C 00 50 58.60 +55 27 59.5 c J40
2010-10-01 21:20:07 C 00 50 59.30 +55 27 59.5 u 510
2010-10-01 21:31:15 C 00 51 04.81 +55 28 18.7 c 213
2010-10-01 21:35:39 C 00 51 06.71 +55 28 24.2 c 213
2010-10-01 21:37:13 C 00 51 07.38 +55 28 26.0 c 213
2010-10-01 22:06:50 C 00 51 19.99 +55 28 50.2 o J16
2010-10-01 22:10:47 C 00 51 22.55 +55 29 09.0 c J40
2010-10-01 22:21:08 C 00 51 26.20 +55 29 06.3 o J16
2010-10-01 22:55:51 C 00 51 41.85 +55 30 03.5 c J40
2010-10-01 23:40:36 C 00 52 00.45 +55 30 53.4 c 939
2010-10-01 23:43:41 C 00 52 01.78 +55 30 57.0 c 939
2010-10-01 23:45:44 C 00 52 02.66 +55 30 59.4 c 939
2010-10-02 00:07:41 C 00 52 12.38 +55 31 26.1 u J53
2010-10-02 00:09:38 C 00 52 13.21 +55 31 28.4 u J53
2010-10-02 00:13:33 C 00 52 14.89 +55 31 33.0 u J53
2010-10-02 01:21:02 C 00 52 49.62 +55 32 32.6 u H23
2010-10-02 01:24:51 C 00 52 45.33 +55 32 47.2 u 958
2010-10-02 01:44:18 C 00 52 53.77 +55 33 08.2 u 958
2010-10-02 01:53:57 C 00 53 04.20 +55 33 14.8 u H23
2010-10-02 02:22:56 C 00 53 17.46 +55 33 38.8 u H10
2010-10-02 02:26:07 C 00 53 18.88 +55 33 42.9 u H10
2010-10-02 02:27:29 C 00 53 18.47 +55 33 53.0 u H23
2010-10-02 02:29:51 C 00 53 20.49 +55 33 47.4 u H10
2010-10-02 04:44:20 C 00 54 12.84 +55 36 09.5 d A77
2010-10-02 04:50:34 C 00 54 15.63 +55 36 15.8 d A77
2010-10-02 04:55:30 C 00 54 17.86 +55 36 20.5 d A77
2010-10-02 10:25:52 C 00 56 57.97 +55 42 29.2 u D95
2010-10-02 10:33:56 C 00 57 01.65 +55 42 38.9 u D95
2010-10-02 10:42:55 C 00 57 05.72 +55 42 49.7 o D92
2010-10-02 10:45:39 C 00 56 58.72 +55 42 59.8 o H10
2010-10-02 10:54:10 C 00 57 10.86 +55 43 03.2 o D92
2010-10-02 10:54:45 C 00 57 02.75 +55 43 08.2 o H10
2010-10-02 11:06:33 C 00 57 16.46 +55 43 17.6 o D92
2010-10-02 12:33:22 C 00 57 56.02 +55 45 00.4 u 379
2010-10-02 12:36:05 C 00 57 57.26 +55 45 03.6 u 379
2010-10-02 12:38:46 C 00 57 58.47 +55 45 07.0 u 379
2010-10-02 21:14:15 C 01 02 03.53 +55 53 51.8 u J28
2010-10-02 21:34:39 C 01 02 12.97 +55 54 14.0 u J28
2010-10-02 21:43:03 C 01 02 16.36 +55 54 23.1 c 213
2010-10-02 21:45:19 C 01 02 17.43 +55 54 25.5 c 213
2010-10-02 21:48:04 C 01 02 18.72 +55 54 28.5 c 213
2010-10-02 21:55:23 C 01 02 22.62 +55 54 37.0 u J28
2010-10-02 22:01:10 C 01 02 25.27 +55 54 39.4 c J01
2010-10-02 22:08:59 C 01 02 28.90 +55 54 47.9 c J01
2010-10-02 22:17:36 C 01 02 32.91 +55 54 57.1 c J01
2010-10-02 22:26:12 C 01 02 36.99 +55 55 06.5 c J01
2010-10-02 22:47:38 C 01 02 46.70 +55 55 33.5 c J78
2010-10-02 23:04:46 C 01 02 54.65 +55 55 51.6 c J78
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-10-24 07:50:00 -35963.2427 0.5 Hz 2380 -1 -1
2010-10-24 08:02:00 123053086.64 4 us 2380 -1 -1
2010-10-25 07:34:00 124535088.24 1.5 us 2380 -1 -1
2010-10-26 09:26:00 126533148.82 2 us 2380 -1 -1
2010-10-27 07:40:00 128543233.13 3 us 2380 -1 -1
2010-10-29 09:34:00 133954458.1 3 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)