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
2009-05-17 20:24:19 C 10 19 00.19 +24 49 54.0 15.7 r C20
2009-05-18 19:51:58 C 10 19 05.08 +23 32 42.9 w 160
2009-05-18 19:53:54 C 10 19 05.06 +23 32 36.4 w 160
2009-05-18 19:55:50 C 10 19 05.04 +23 32 29.6 w 160
2009-05-19 21:23:54 C 10 19 09.25 +22 03 28.8 w B09
2009-05-19 21:26:53 C 10 19 09.27 +22 03 17.8 w B09
2009-05-20 20:22:59 C 10 19 15.34 +20 38 23.1 v A97
2009-05-20 20:29:02 C 10 19 15.32 +20 37 59.9 v A97
2009-05-20 20:35:05 C 10 19 15.29 +20 37 36.5 v A97
2009-05-20 20:41:09 C 10 19 15.26 +20 37 13.3 v A97
2009-05-21 23:51:41 C 10 19 24.17 +18 51 39.3 r I21
2009-05-21 23:54:49 C 10 19 24.18 +18 51 26.3 r I21
2009-05-23 19:24:02 C 10 19 37.93 +15 43 27.1 14.5 r C20
2009-05-25 21:56:30 C 10 19 59.71 +11 39 52.6 r J53
2009-05-25 21:57:21 C 10 19 59.70 +11 39 48.2 r J53
2009-05-25 21:58:38 C 10 19 59.70 +11 39 41.6 r J53
2009-05-26 20:08:32 C 10 20 11.18 +09 42 48.6 r A81
2009-05-26 20:10:16 C 10 20 11.17 +09 42 39.1 r A81
2009-05-26 20:12:02 C 10 20 11.16 +09 42 29.6 r A81
2009-05-26 20:13:46 C 10 20 11.16 +09 42 20.1 r A81
2009-05-26 20:16:05 C 10 20 11.15 +09 42 07.4 r A81
2009-05-28 18:53:25 C 10 20 36.41 +05 14 37.4 14.1 r C20
2009-05-30 18:22:00 C 10 21 06.42 +00 10 19.9 14.3 r C20
2009-06-02 00:18:08 C 10 21 45.45 -06 14 15.8 r I21
2009-06-02 00:21:09 C 10 21 45.45 -06 14 38.4 r I21
2009-06-02 21:15:24 C 10 22 01.71 -08 57 09.6 r J51
2009-06-02 21:22:34 C 10 22 01.68 -08 58 05.7 r J51
2009-06-02 21:27:48 C 10 22 01.65 -08 58 46.5 r J51
2009-06-03 00:21:10 C 10 22 05.07 -09 20 57.4 d H78
2009-06-03 00:39:03 C 10 22 04.93 -09 23 18.5 d H78
2009-06-03 00:47:41 C 10 22 04.85 -09 24 26.9 d H78
2009-06-03 00:56:19 C 10 22 04.80 -09 25 34.8 d H78
2009-06-03 01:11:09 C 10 22 04.66 -09 27 30.7 d H78
2009-06-11 08:38:15 C 10 26 01.82 -38 38 00.6 r 432
2009-06-11 08:59:09 C 10 26 01.89 -38 41 06.6 r 432
2009-06-11 09:20:20 C 10 26 01.99 -38 44 14.4 r 432
2009-06-12 08:09:56 C 10 26 46.48 -42 08 00.2 r 432
2009-06-12 08:34:12 C 10 26 46.60 -42 11 33.2 r 432
2009-06-12 08:56:08 C 10 26 46.73 -42 14 44.5 r 432
2009-06-13 01:32:07 C 10 27 18.68 -44 40 44.9 d H78
2009-06-13 01:35:59 C 10 27 18.75 -44 41 17.6 d H78
2009-06-13 01:38:53 C 10 27 18.76 -44 41 42.3 d H78
2009-06-13 01:42:47 C 10 27 18.82 -44 42 15.0 d H78
2009-06-13 01:46:43 C 10 27 18.87 -44 42 48.4 d H78
2009-06-13 01:48:38 C 10 27 18.90 -44 43 05.0 d H78
2009-06-18 00:31:27 C 10 33 43.37 -60 30 07.1 d H78
2009-06-18 00:32:35 C 10 33 43.48 -60 30 15.4 d H78
2009-06-18 00:33:08 C 10 33 43.58 -60 30 19.2 d H78
2009-06-18 00:33:43 C 10 33 43.57 -60 30 24.4 d H78
2009-06-18 00:35:25 C 10 33 43.58 -60 30 32.6 d H78
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)