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
2010-09-11 20:14:33 C 23 07 11.09 +43 41 38.8 w 213
2010-09-11 20:33:27 C 23 07 12.64 +43 42 06.2 w 213
2010-09-11 20:36:55 C 23 07 12.99 +43 42 11.4 w 213
2010-09-11 20:57:11 C 23 07 14.78 +43 42 39.9 w I99
2010-09-11 20:59:28 C 23 07 14.77 +43 42 43.6 w B70
2010-09-11 21:05:53 C 23 07 15.49 +43 42 52.7 w I99
2010-09-11 21:07:03 C 23 07 16.10 +43 42 55.5 w J51
2010-09-11 21:15:27 C 23 07 16.07 +43 43 06.6 w B70
2010-09-11 21:15:33 C 23 07 16.29 +43 43 06.6 w I99
2010-09-11 21:17:28 C 23 07 16.97 +43 43 10.6 w J51
2010-09-11 21:30:41 C 23 07 17.34 +43 43 28.2 w B70
2010-09-11 21:44:00 C 23 07 18.14 +43 43 44.2 u 510
2010-09-11 21:49:39 C 23 07 18.60 +43 43 52.3 u 510
2010-09-11 21:53:24 C 23 07 18.72 +43 43 57.3 o 046
2010-09-11 21:54:25 C 23 07 18.80 +43 43 58.5 o 046
2010-09-11 21:55:19 C 23 07 19.06 +43 44 00.4 u 510
2010-09-11 21:55:36 C 23 07 18.91 +43 44 00.2 o 046
2010-09-11 21:56:31 C 23 07 20.19 +43 44 08.4 w J51
2010-09-11 21:56:45 C 23 07 18.98 +43 44 02.0 o 046
2010-09-11 21:58:12 C 23 07 19.12 +43 44 04.0 o 046
2010-09-11 21:59:43 C 23 07 19.23 +43 44 06.1 o 046
2010-09-11 22:14:50 C 23 07 20.62 +43 44 31.6 u 160
2010-09-11 22:16:45 C 23 07 20.77 +43 44 34.3 u 160
2010-09-11 22:18:41 C 23 07 20.92 +43 44 37.1 u 160
2010-09-11 23:05:07 C 23 07 25.22 +43 45 43.3 w J01
2010-09-11 23:30:02 C 23 07 27.27 +43 46 19.0 w J01
2010-09-12 00:01:45 C 23 07 29.83 +43 47 04.0 w J01
2010-09-12 00:44:50 C 23 07 32.90 +43 47 59.0 w B82
2010-09-12 00:47:05 C 23 07 33.09 +43 48 02.5 w B82
2010-09-12 00:49:20 C 23 07 33.30 +43 48 05.7 w B82
2010-09-12 01:01:34 C 23 07 34.41 +43 48 27.5 w B20
2010-09-12 01:02:44 C 23 07 34.52 +43 48 29.2 w B20
2010-09-12 01:06:50 C 23 07 34.82 +43 48 34.4 w B20
2010-09-12 01:37:05 C 23 07 37.33 +43 49 16.4 w 232
2010-09-12 01:40:02 C 23 07 37.56 +43 49 20.3 w 232
2010-09-12 01:43:01 C 23 07 37.83 +43 49 24.5 w 232
2010-09-12 02:58:01 C 23 07 44.10 +43 51 06.8 r A01
2010-09-12 03:04:20 C 23 07 44.63 +43 51 15.3 r A01
2010-09-12 03:08:32 C 23 07 44.99 +43 51 21.1 r A01
2010-09-12 05:34:47 C 23 07 59.92 +43 54 58.1 u H47
2010-09-12 05:51:56 C 23 08 01.32 +43 55 22.9 u H47
2010-09-12 05:54:34 C 23 08 02.15 +43 55 27.3 o H10
2010-09-12 06:06:27 C 23 08 02.48 +43 55 42.8 u H47
2010-09-12 06:08:15 C 23 08 03.26 +43 55 46.7 o H10
2010-09-12 06:11:49 C 23 08 03.55 +43 55 52.0 o H10
2010-09-12 06:20:07 C 23 08 04.26 +43 56 03.7 o H10
2010-09-12 06:23:37 C 23 08 04.31 +43 56 00.5 u H05
2010-09-12 06:34:00 C 23 08 05.14 +43 56 15.6 u H05
2010-09-12 06:44:22 C 23 08 05.97 +43 56 29.8 u H05
2010-09-12 06:54:45 C 23 08 06.78 +43 56 44.0 u H05
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)