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
2010-09-27 01:16:28 C 00 08 33.39 +52 49 45.0 u 958
2010-09-27 01:34:13 C 00 08 38.33 +52 50 10.3 u 958
2010-09-27 06:44:55 C 00 10 13.51 +52 57 58.5 o G68
2010-09-27 07:25:48 C 00 10 24.23 +52 59 07.3 c H10
2010-09-27 07:32:26 C 00 10 26.08 +52 59 16.8 c H10
2010-09-27 07:40:45 C 00 10 28.44 +52 59 28.9 c H10
2010-09-27 07:48:42 C 00 10 30.73 +52 59 40.8 c H10
2010-09-27 07:56:36 C 00 10 33.03 +52 59 52.5 c H10
2010-09-27 08:14:55 C 00 10 39.20 +53 00 15.3 o G68
2010-09-27 08:19:56 C 00 10 39.61 +53 00 25.9 o H10
2010-09-27 08:24:59 C 00 10 41.07 +53 00 33.3 o H10
2010-09-27 08:41:10 C 00 10 45.72 +53 00 56.8 o H10
2010-09-27 08:44:36 C 00 10 47.70 +53 00 59.9 o G68
2010-09-27 09:26:42 C 00 10 58.92 +53 01 59.9 c H10
2010-09-27 09:50:21 C 00 11 05.76 +53 02 33.3 c H10
2010-09-27 18:48:43 C 00 13 58.11 +53 15 33.5 o C10
2010-09-27 18:59:17 C 00 14 01.36 +53 15 50.0 o C10
2010-09-27 19:12:57 C 00 14 05.63 +53 16 11.5 o C10
2010-09-27 19:27:35 C 00 14 10.10 +53 16 34.1 o C10
2010-09-27 20:12:03 C 00 14 25.37 +53 17 46.2 c J51
2010-09-27 20:20:29 C 00 14 27.96 +53 17 59.6 c J51
2010-09-27 20:28:53 C 00 14 30.57 +53 18 12.9 c J51
2010-09-27 21:02:58 C 00 14 40.95 +53 19 08.6 c J47
2010-09-27 21:11:01 C 00 14 43.44 +53 19 21.5 c J47
2010-09-27 21:15:33 C 00 14 44.84 +53 19 28.6 c J47
2010-09-27 21:36:01 C 00 14 50.20 +53 19 54.3 c J01
2010-09-27 22:11:10 C 00 15 00.94 +53 20 48.5 c J01
2010-09-27 22:42:34 C 00 15 10.47 +53 21 36.4 c J01
2010-09-27 23:41:37 C 00 15 28.45 +53 23 03.4 w J38
2010-09-27 23:42:18 C 00 15 28.67 +53 23 04.5 w J38
2010-09-27 23:44:21 C 00 15 29.29 +53 23 07.6 w J38
2010-09-28 01:44:55 C 00 16 11.12 +53 25 59.8 u H23
2010-09-28 01:59:47 C 00 16 15.75 +53 26 23.1 u H23
2010-09-28 02:18:09 C 00 16 21.45 +53 26 52.1 u H23
2010-09-28 06:48:49 C 00 17 46.33 +53 33 36.0 o H10
2010-09-28 06:50:54 C 00 17 47.05 +53 33 40.4 o H10
2010-09-28 07:08:02 C 00 17 52.29 +53 34 03.9 o H10
2010-09-28 07:15:27 C 00 17 54.57 +53 34 14.5 o H10
2010-09-28 07:18:32 C 00 17 55.61 +53 34 19.9 c H10
2010-09-28 07:29:03 C 00 17 58.90 +53 34 34.3 c H10
2010-09-28 07:36:21 C 00 18 01.11 +53 34 44.7 c H10
2010-09-28 07:40:12 C 00 18 02.28 +53 34 50.0 o H10
2010-09-28 07:45:08 C 00 18 03.83 +53 34 57.1 c H10
2010-09-28 07:56:55 C 00 18 07.49 +53 35 13.7 c H10
2010-09-28 09:28:28 C 00 18 36.81 +53 37 23.0 u H10
2010-09-28 09:33:40 C 00 18 38.45 +53 37 30.4 u H10
2010-09-28 10:36:39 C 00 19 04.79 +53 38 48.8 u D95
2010-09-28 10:37:13 C 00 19 04.95 +53 38 50.1 u D95
2010-09-28 10:38:58 C 00 19 05.53 +53 38 52.3 u D95
2010-09-28 19:58:34 C 00 22 14.38 +53 52 13.4 d A77
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)