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
2010-06-08 09:56:38 C 21 41 45.67 +05 42 00.9 r 703
2010-06-09 09:02:29 C 21 42 47.69 +05 57 38.8 c 704
2010-06-09 09:17:29 C 21 42 48.09 +05 57 48.5 c 704
2010-06-09 09:32:40 C 21 42 48.95 +05 57 59.3 c 704
2010-06-09 09:47:43 C 21 42 49.67 +05 58 08.5 c 704
2010-06-09 10:03:03 C 21 42 50.32 +05 58 19.2 c 704
2010-06-09 18:24:12 C 21 43 12.53 +06 03 58.7 u 367
2010-06-09 18:36:42 C 21 43 13.05 +06 04 07.7 u 367
2010-06-10 23:45:47 C 21 44 30.51 +06 24 03.9 r 114
2010-06-10 23:51:25 C 21 44 30.70 +06 24 06.9 r 114
2010-06-10 23:56:51 C 21 44 30.98 +06 24 10.8 r 114
2010-06-10 23:58:32 C 21 44 30.85 +06 24 08.8 u 160
2010-06-11 00:01:35 C 21 44 30.96 +06 24 11.6 u 160
2010-06-11 00:02:30 C 21 44 31.12 +06 24 14.3 r 114
2010-06-11 00:08:08 C 21 44 31.35 +06 24 17.1 r 114
2010-06-11 09:45:47 C 21 44 56.865 +06 30 57.42 r 689
2010-06-11 09:48:51 C 21 44 57.030 +06 30 59.81 r 689
2010-06-11 09:51:54 C 21 44 57.154 +06 31 01.82 r 689
2010-06-12 00:09:50 C 21 45 34.77 +06 40 55.5 u 160
2010-06-12 00:12:43 C 21 45 34.88 +06 40 56.8 u 160
2010-06-12 00:15:36 C 21 45 34.97 +06 40 58.0 u 160
2010-06-12 10:54:34 C 21 46 02.767 +06 48 23.02 r 689
2010-06-12 10:57:38 C 21 46 02.898 +06 48 25.05 r 689
2010-06-12 11:00:42 C 21 46 03.025 +06 48 27.26 r 689
2010-06-13 06:51:33 C 21 46 55.05 +07 02 18.4 u H10
2010-06-13 06:55:18 C 21 46 55.04 +07 02 20.0 u H10
2010-06-13 07:04:35 C 21 46 55.47 +07 02 27.6 r H10
2010-06-13 07:18:50 C 21 46 56.05 +07 02 37.2 r H10
2010-06-13 07:38:51 C 21 46 56.96 +07 02 51.1 r H10
2010-06-13 08:39:17 C 21 46 59.41 +07 03 33.4 u H47
2010-06-13 09:01:28 C 21 47 00.40 +07 03 48.9 u H47
2010-06-14 01:45:39 C 21 47 43.83 +07 15 34.6 d A77
2010-06-14 01:52:20 C 21 47 44.07 +07 15 39.3 d A77
2010-06-14 01:59:03 C 21 47 44.40 +07 15 43.8 d A77
2010-06-14 08:34:11 C 21 48 01.36 +07 20 24.1 u H47
2010-06-14 08:49:58 C 21 48 02.04 +07 20 34.9 u H47
2010-06-14 09:07:51 C 21 48 02.70 +07 20 47.0 u H47
2010-06-15 09:25:31 C 21 49 05.30 +07 38 01.7 o G68
2010-06-15 09:40:31 C 21 49 06.00 +07 38 12.7 o G68
2010-06-15 09:55:10 C 21 49 06.53 +07 38 23.3 o G68
2010-06-15 10:10:11 C 21 49 07.20 +07 38 34.2 o G68
2010-06-15 10:25:11 C 21 49 07.79 +07 38 44.5 o G68
2010-06-16 09:16:20 C 21 50 06.03 +07 55 06.0 u H45
2010-06-16 09:18:39 C 21 50 06.16 +07 55 07.7 u H45
2010-06-16 09:21:20 C 21 50 06.25 +07 55 09.7 u H45
2010-06-16 09:24:10 C 21 50 06.38 +07 55 11.0 u H45
2010-06-16 09:25:42 C 21 50 06.47 +07 55 13.0 u H45
2010-06-16 09:29:20 C 21 50 06.57 +07 55 15.3 u H45
2010-06-16 09:47:11 C 21 50 07.47 +07 55 29.1 w H10
2010-06-16 09:52:07 C 21 50 07.67 +07 55 30.7 w H10
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)