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
2010-10-06 01:06:25 C 01 43 00.47 +56 45 49.9 u 958
2010-10-06 01:33:48 C 01 43 16.32 +56 45 57.0 u 958
2010-10-06 01:47:49 C 01 43 24.48 +56 46 00.9 u 958
2010-10-06 03:38:39 C 01 44 36.28 +56 46 30.0 o 850
2010-10-06 04:02:35 C 01 44 50.30 +56 46 38.6 o 850
2010-10-06 06:46:22 C 01 46 27.96 +56 47 26.0 c H06
2010-10-06 06:50:10 C 01 46 30.21 +56 47 27.0 c H06
2010-10-06 06:53:55 C 01 46 32.38 +56 47 27.9 c H06
2010-10-06 11:32:11 C 01 49 16.67 +56 48 04.5 o H10
2010-10-06 11:34:03 C 01 49 17.81 +56 48 04.7 o H10
2010-10-06 11:35:56 C 01 49 18.95 +56 48 04.9 o H10
2010-10-06 11:38:26 C 01 49 20.45 +56 48 04.9 o H10
2010-10-06 11:40:19 C 01 49 21.60 +56 48 04.7 o H10
2010-10-06 11:42:13 C 01 49 22.77 +56 48 05.4 o H10
2010-10-06 11:44:02 C 01 49 23.82 +56 48 04.5 o H10
2010-10-06 11:45:53 C 01 49 24.94 +56 48 04.7 o H10
2010-10-06 11:47:55 C 01 49 26.20 +56 48 05.5 o H10
2010-10-06 11:48:47 C 01 49 26.68 +56 48 04.7 o H10
2010-10-06 11:53:28 C 01 49 29.50 +56 48 04.9 o H10
2010-10-06 11:55:58 C 01 49 31.06 +56 48 05.6 o H10
2010-10-06 13:40:11 C 01 50 43.41 +56 48 32.6 u 900
2010-10-06 13:50:44 C 01 50 49.74 +56 48 34.9 u 900
2010-10-06 18:35:28 C 01 53 49.59 +56 48 25.0 c 213
2010-10-06 18:36:30 C 01 53 50.23 +56 48 24.9 c 213
2010-10-06 18:37:11 C 01 53 50.66 +56 48 25.1 c 213
2010-10-06 19:17:04 C 01 54 15.56 +56 48 33.6 c C12
2010-10-06 19:20:22 C 01 54 17.65 +56 48 34.1 c C12
2010-10-06 19:20:49 C 01 54 17.89 +56 48 36.6 d B66
2010-10-06 19:22:23 C 01 54 18.61 +56 48 34.6 o 185
2010-10-06 19:23:40 C 01 54 19.76 +56 48 34.8 c C12
2010-10-06 19:27:02 C 01 54 21.81 +56 48 35.7 c C12
2010-10-06 19:27:28 C 01 54 21.71 +56 48 34.4 o 185
2010-10-06 19:30:19 C 01 54 23.86 +56 48 36.2 c C12
2010-10-06 19:38:18 C 01 54 28.76 +56 48 35.1 u B74
2010-10-06 19:51:29 C 01 54 37.01 +56 48 39.7 u B74
2010-10-06 20:01:26 C 01 54 43.26 +56 48 41.6 u B74
2010-10-06 20:06:13 C 01 54 46.09 +56 48 45.1 d B66
2010-10-06 20:07:34 C 01 54 47.03 +56 48 43.6 c A06
2010-10-06 20:13:31 C 01 54 49.79 +56 48 34.4 v 987
2010-10-06 20:17:14 C 01 54 53.03 +56 48 45.3 c A06
2010-10-06 20:18:25 C 01 54 52.87 +56 48 35.2 v 987
2010-10-06 20:23:00 C 01 54 55.71 +56 48 35.9 v 987
2010-10-06 20:23:51 C 01 54 56.30 +56 48 48.9 u 595
2010-10-06 20:26:57 C 01 54 59.06 +56 48 47.2 c A06
2010-10-06 20:30:10 C 01 55 00.54 +56 48 52.5 u A81
2010-10-06 20:35:34 C 01 55 03.86 +56 48 53.4 u A81
2010-10-06 20:40:58 C 01 55 07.21 +56 48 54.5 u A81
2010-10-06 20:46:23 C 01 55 10.51 +56 48 55.3 u A81
2010-10-06 20:51:06 C 01 55 13.78 +56 48 52.4 d B66
2010-10-06 21:36:31 C 01 55 41.71 +56 48 58.4 d B66
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)