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
2010-09-28 20:14:53 C 00 22 19.83 +53 52 38.4 d A77
2010-09-28 20:31:42 C 00 22 25.43 +53 53 03.9 d A77
2010-09-28 20:57:14 C 00 22 34.87 +53 53 44.2 c J40
2010-09-28 21:09:36 C 00 22 38.93 +53 54 02.9 c J40
2010-09-28 21:25:32 C 00 22 44.33 +53 54 27.2 c J40
2010-09-28 22:51:13 C 00 23 12.49 +53 56 27.7 w J38
2010-09-28 22:51:51 C 00 23 12.69 +53 56 28.8 w J38
2010-09-28 22:52:29 C 00 23 12.90 +53 56 30.1 w J38
2010-09-28 23:33:30 C 00 23 26.52 +53 57 30.5 c J01
2010-09-28 23:56:41 C 00 23 34.21 +53 58 03.6 c J01
2010-09-29 00:28:49 C 00 23 44.91 +53 58 49.1 c J01
2010-09-29 00:49:58 C 00 23 52.04 +53 59 18.5 c 945
2010-09-29 00:51:27 C 00 23 52.56 +53 59 20.3 c 945
2010-09-29 00:57:35 C 00 23 54.58 +53 59 29.1 c 945
2010-09-29 01:00:38 C 00 23 55.59 +53 59 33.1 c 945
2010-09-29 01:05:49 C 00 23 57.36 +53 59 40.3 c 945
2010-09-29 01:54:52 C 00 24 13.32 +54 00 45.7 u 958
2010-09-29 02:11:43 C 00 24 24.39 +54 01 08.5 o 850
2010-09-29 02:22:05 C 00 24 22.55 +54 01 22.7 u 958
2010-09-29 02:37:25 C 00 24 33.12 +54 01 47.3 o 850
2010-09-29 03:17:47 C 00 24 41.49 +54 02 36.4 u 958
2010-09-29 06:47:57 C 00 25 59.11 +54 07 48.6 o H10
2010-09-29 07:18:09 C 00 26 09.36 +54 08 30.4 o H10
2010-09-29 07:21:26 C 00 26 10.53 +54 08 35.6 c H10
2010-09-29 07:27:52 C 00 26 12.72 +54 08 44.6 c H10
2010-09-29 07:35:51 C 00 26 15.40 +54 08 55.5 c H10
2010-09-29 07:43:58 C 00 26 18.14 +54 09 06.6 c H10
2010-09-29 07:51:48 C 00 26 20.85 +54 09 17.3 c H10
2010-09-29 09:04:20 C 00 26 45.61 +54 10 54.0 c H10
2010-09-29 09:32:02 C 00 26 55.16 +54 11 30.3 c H10
2010-09-29 09:55:17 C 00 27 03.22 +54 12 00.5 c H10
2010-09-29 18:11:51 C 00 30 11.91 +54 23 04.9 u 160
2010-09-29 18:15:41 C 00 30 13.32 +54 23 10.6 u 160
2010-09-29 18:19:31 C 00 30 14.73 +54 23 16.5 u 160
2010-09-29 18:23:43 C 00 30 16.62 +54 23 19.5 c 213
2010-09-29 18:24:59 C 00 30 17.04 +54 23 21.7 c 213
2010-09-29 18:26:15 C 00 30 17.52 +54 23 23.4 c 213
2010-09-29 18:39:12 C 00 30 21.56 +54 23 40.0 B59
2010-09-29 18:41:43 C 00 30 22.45 +54 23 43.4 B59
2010-09-29 18:44:15 C 00 30 23.40 +54 23 47.4 B59
2010-09-29 18:46:47 C 00 30 24.32 +54 23 50.9 B59
2010-09-29 18:49:19 C 00 30 25.26 +54 23 54.8 B59
2010-09-29 18:51:51 C 00 30 26.16 +54 23 58.3 B59
2010-09-29 18:54:21 C 00 30 27.11 +54 24 02.0 B59
2010-09-29 19:27:50 C 00 30 40.69 +54 24 52.7 c I92
2010-09-29 20:23:41 C 00 31 00.07 +54 26 06.0 v 987
2010-09-29 20:25:22 C 00 31 00.91 +54 26 08.3 v 987
2010-09-29 20:28:20 C 00 31 01.88 +54 26 13.0 v 987
2010-09-29 20:28:52 C 00 31 02.00 +54 26 13.0 o J16
2010-09-29 20:30:47 C 00 31 02.64 +54 26 16.0 v 987
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)