143651 (2003 QO104)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5261474528 ± 5.69e-09
Semi-major axis (a)2.1330188511 AU ± 3.84e-09
Inclination (i)11.62338053° ± 6.32e-07
Long. of Asc. Node (Ω)58.16555621° ± 3.15e-06
Arg. of Perihelion (ω)183.59021814° ± 3.78e-06
Mean Anomaly (M)102.05435087° ± 5.45e-06
Mean Motion (n)0.3163881694°/day ± 8.55e-10
Perihelion dist (q)1.01073642 AU ± 1.23e-08
Aphelion dist (Q)3.25530129 AU ± 1.35e-08
Orbital Period3.11524380 yr ± 8.42e-09
Physical Parameters
H (abs. magnitude)16.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.097″
Uncertainty0
Orbit TypeApollo
MOID0.001021 AU
Observations Used1275
Radar Obs Used6
Gaia Obs Used70
Oppositions23
Arc Total1981-2026
First Observation Used1981-07-10
Last Observation Used2026-01-11
Observations (1388)
Date Type RA Dec Mag Band Observatory
2003-09-19 02:33:51 C 01 20 25.90 -09 23 10.4 c 204
2003-09-19 23:03:14 C 01 19 15.11 -09 28 20.8 c 587
2003-09-19 23:07:52 C 01 19 14.76 -09 28 20.7 c 587
2003-09-19 23:12:28 C 01 19 14.49 -09 28 21.8 c 587
2003-09-19 23:17:06 C 01 19 14.24 -09 28 23.3 c 587
2003-09-20 00:30:06 C 01 19 09.87 -09 28 42.0 c 246
2003-09-20 00:31:07 C 01 19 09.82 -09 28 42.3 c 246
2003-09-20 00:32:56 C 01 19 09.71 -09 28 42.8 c 246
2003-09-20 00:35:43 C 01 19 09.53 -09 28 43.5 c 246
2003-09-20 00:37:01 C 01 19 09.47 -09 28 44.0 c 246
2003-09-20 00:38:23 C 01 19 09.39 -09 28 44.1 c 246
2003-09-20 05:29:32 C 01 18 52.72 -09 29 54.4 c H06
2003-09-20 05:47:03 C 01 18 51.66 -09 29 58.8 c H06
2003-09-20 06:04:35 C 01 18 50.63 -09 30 03.4 c H06
2003-09-21 02:19:13 C 01 17 39.18 -09 35 01.6 c 204
2003-09-21 21:38:53 C 01 16 31.14 -09 39 39.0 c 587
2003-09-21 21:43:47 C 01 16 30.81 -09 39 41.0 c 587
2003-09-21 21:52:58 C 01 16 30.23 -09 39 45.3 c 587
2003-09-21 23:25:20 C 01 16 24.65 -09 40 05.7 c 246
2003-09-21 23:26:28 C 01 16 24.60 -09 40 06.5 c 246
2003-09-21 23:27:40 C 01 16 24.49 -09 40 06.4 c 246
2003-09-21 23:29:00 C 01 16 24.43 -09 40 06.6 c 246
2003-09-21 23:30:10 C 01 16 24.39 -09 40 07.0 c 246
2003-09-22 04:31:45 C 01 16 06.55 -09 41 17.7 c 932
2003-09-22 05:30:21 C 01 16 02.96 -09 41 31.3 c 932
2003-09-22 05:36:29 C 01 16 02.63 -09 41 33.7 c 932
2003-09-25 21:14:39 C 01 10 46.86 -10 01 03.0 c 587
2003-09-25 22:07:33 C 01 10 43.65 -10 01 13.9 c 587
2003-09-25 22:11:09 C 01 10 43.35 -10 01 14.6 c 587
2003-09-25 23:50:20 C 01 10 37.13 -10 01 35.5 c 246
2003-09-25 23:51:10 C 01 10 37.06 -10 01 35.9 c 246
2003-09-25 23:53:09 C 01 10 36.94 -10 01 35.9 c 246
2003-09-25 23:55:14 C 01 10 36.80 -10 01 36.5 c 246
2003-09-27 05:17:37 C 01 08 49.86 -10 07 33.2 c 715
2003-09-27 05:23:27 C 01 08 49.47 -10 07 34.2 c 715
2003-09-27 05:29:17 C 01 08 49.12 -10 07 35.4 c 715
2003-09-27 05:35:07 C 01 08 48.75 -10 07 36.5 c 715
2003-10-03 23:26:00 C 00 58 58.84 -10 34 44.9 r 176
2003-10-03 23:30:40 C 00 58 58.55 -10 34 45.6 r 176
2003-10-03 23:34:40 C 00 58 58.31 -10 34 46.2 r 176
2003-10-03 23:39:01 C 00 58 58.03 -10 34 46.9 r 176
2003-10-12 04:52:44 C 00 47 33.83 -10 53 11.5 r H36
2003-10-12 05:55:46 C 00 47 30.29 -10 53 14.0 r H36
2003-10-13 04:21:16 C 00 46 17.15 -10 54 15.6 o 715
2003-10-13 04:29:02 C 00 46 16.75 -10 54 16.3 o 715
2003-10-13 04:36:48 C 00 46 16.30 -10 54 16.1 o 715
2003-10-18 04:37:37 C 00 40 03.93 -10 56 02.5 o 699
2003-10-18 04:56:50 C 00 40 02.87 -10 56 02.6 o 699
2003-10-18 05:16:08 C 00 40 01.92 -10 56 01.6 o 699
2003-10-18 05:35:17 C 00 40 01.00 -10 56 01.4 o 699
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-05-26 22:07:00 121889171.38 1 us 2380 -1 -1
2009-05-26 22:07:00 98764.1014 0.06 Hz 2380 -1 -1
2009-05-27 02:20:00 347400.556 0.5 Hz 8560 -14 -14
2009-05-27 03:30:00 121101107.34 15 us 8560 -14 -14
2009-06-07 00:30:00 86347.633 0.25 Hz 8560 -14 -14
2009-06-07 01:30:00 95268014.79 5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)