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
2010-09-02 08:31:23 C 22 52 08.06 +38 35 26.6 r 850
2010-09-02 08:59:14 C 22 52 09.30 +38 36 01.9 r 850
2010-09-02 16:29:50 C 22 52 33.59 +38 45 33.5 r 168
2010-09-02 16:30:50 C 22 52 33.66 +38 45 34.3 r 168
2010-09-02 16:32:05 C 22 52 33.72 +38 45 36.6 r 168
2010-09-02 16:33:40 C 22 52 33.82 +38 45 38.8 r 168
2010-09-02 16:35:04 C 22 52 33.86 +38 45 40.4 r 168
2010-09-02 16:36:05 C 22 52 33.92 +38 45 41.6 r 168
2010-09-02 16:37:05 C 22 52 33.97 +38 45 43.0 r 168
2010-09-02 16:38:05 C 22 52 34.01 +38 45 44.2 r 168
2010-09-02 16:39:05 C 22 52 34.06 +38 45 45.5 r 168
2010-09-02 16:40:05 C 22 52 34.10 +38 45 47.0 r 168
2010-09-02 18:44:20 C 22 52 39.85 +38 48 30.1 r 168
2010-09-02 18:45:20 C 22 52 39.90 +38 48 31.4 r 168
2010-09-02 18:46:20 C 22 52 39.95 +38 48 32.7 r 168
2010-09-02 18:47:19 C 22 52 39.99 +38 48 33.9 r 168
2010-09-02 18:48:20 C 22 52 40.03 +38 48 35.3 r 168
2010-09-02 20:03:35 C 22 52 43.47 +38 50 13.0 r 168
2010-09-02 20:04:35 C 22 52 43.52 +38 50 14.3 r 168
2010-09-02 20:05:35 C 22 52 43.56 +38 50 15.6 r 168
2010-09-02 20:06:35 C 22 52 43.62 +38 50 16.9 r 168
2010-09-02 20:07:45 C 22 52 43.66 +38 50 18.5 r 168
2010-09-02 20:08:50 C 22 52 43.72 +38 50 19.9 r 168
2010-09-02 20:42:12 C 22 52 46.39 +38 51 06.5 w C23
2010-09-02 21:02:46 C 22 52 47.39 +38 51 33.7 w C23
2010-09-02 21:20:57 C 22 52 48.85 +38 51 59.1 w J51
2010-09-02 21:23:16 C 22 52 48.36 +38 52 00.9 w C23
2010-09-02 21:40:20 C 22 52 49.76 +38 52 25.2 w J51
2010-09-02 21:43:25 C 22 52 49.28 +38 52 27.1 w C23
2010-09-02 21:59:43 C 22 52 50.65 +38 52 51.0 w J51
2010-09-02 22:29:08 C 22 52 51.25 +38 53 23.9 w B96
2010-09-02 22:37:36 C 22 52 51.64 +38 53 35.2 w B96
2010-09-02 22:46:05 C 22 52 52.02 +38 53 46.2 w B96
2010-09-02 22:54:34 C 22 52 52.40 +38 53 57.3 w B96
2010-09-02 23:05:10 C 22 52 52.89 +38 54 11.1 w B96
2010-09-03 00:24:21 C 22 52 56.43 +38 55 52.2 o A32
2010-09-03 00:30:24 C 22 52 56.67 +38 56 00.1 o A32
2010-09-03 00:34:19 C 22 52 56.80 +38 56 04.5 o A32
2010-09-03 00:37:41 C 22 52 57.00 +38 56 09.5 o A32
2010-09-03 01:14:47 C 22 52 58.89 +38 57 03.9 w J53
2010-09-03 01:17:30 C 22 52 59.00 +38 57 07.5 w J53
2010-09-03 01:21:33 C 22 52 59.18 +38 57 12.6 w J53
2010-09-03 02:24:40 C 22 53 04.08 +38 58 31.6 r 850
2010-09-03 02:46:19 C 22 53 05.07 +38 59 00.1 r 850
2010-09-03 03:08:00 C 22 53 06.05 +38 59 29.3 r 850
2010-09-03 03:29:42 C 22 53 07.06 +38 59 57.9 r 850
2010-09-03 03:51:21 C 22 53 08.02 +39 00 26.6 r 850
2010-09-03 12:06:27 C 22 53 33.96 +39 11 07.9 u 900
2010-09-03 12:23:59 C 22 53 34.77 +39 11 31.4 u 900
2010-09-03 12:54:38 C 22 53 36.28 +39 12 11.8 u 367
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)