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
2009-06-20 00:20:23 C 10 38 11.97 -65 55 08.6 d H78
2009-06-20 00:21:13 C 10 38 12.22 -65 55 12.8 d H78
2009-06-20 00:22:02 C 10 38 12.22 -65 55 18.7 d H78
2009-06-20 00:23:41 C 10 38 12.01 -65 55 29.2 d H78
2009-06-23 08:04:14 C 10 50 57.75 -73 42 16.3 r 432
2009-06-23 08:19:27 C 10 51 00.29 -73 43 35.6 r 432
2009-06-28 02:04:50 C 11 41 53.01 -82 19 39.4 r I21
2009-06-28 02:09:54 C 11 41 57.06 -82 19 57.5 r I21
2009-06-28 02:19:48 C 11 42 05.24 -82 20 32.1 r I21
2009-07-07 03:12:55 C 19 41 33.12 -83 49 12.4 r I21
2009-07-07 03:16:48 C 19 41 35.89 -83 49 03.7 r I21
2009-07-07 03:55:22 C 19 42 04.98 -83 47 37.0 r I21
2009-07-07 04:01:13 C 19 42 09.24 -83 47 23.9 r I21
2009-07-12 01:00:16 C 20 32 57.99 -79 22 25.4 r I21
2009-07-12 01:13:05 C 20 33 00.45 -79 22 00.0 r I21
2009-07-12 01:29:48 C 20 33 03.47 -79 21 25.8 r I21
2009-07-17 01:00:54 C 20 47 54.06 -75 17 55.3 r I21
2009-07-17 01:39:43 C 20 47 56.04 -75 16 44.5 r I21
2009-07-17 02:08:00 C 20 47 57.44 -75 15 53.3 r I21
2009-07-22 03:15:48 C 20 53 03.22 -71 34 58.0 r I21
2009-07-22 03:26:07 C 20 53 03.31 -71 34 40.1 r I21
2009-07-22 03:32:40 C 20 53 03.28 -71 34 28.9 r I21
2009-07-24 01:07:44 C 20 53 57.72 -70 16 14.7 r I21
2009-07-24 01:52:20 C 20 53 57.87 -70 15 03.9 r I21
2009-07-24 03:09:41 C 20 53 57.60 -70 12 58.5 r I21
2009-07-26 07:29:15 C 20 54 28.80 -68 46 13.7 r I21
2009-07-26 08:09:40 C 20 54 28.53 -68 45 04.8 r I21
2009-07-30 02:03:12 C 20 55 04.31 -66 22 10.9 r I21
2009-07-30 03:12:14 C 20 55 03.60 -66 20 27.4 r I21
2009-08-05 01:36:18 C 20 55 18.10 -62 46 45.8 r I21
2009-08-05 02:14:39 C 20 55 17.72 -62 45 53.0 r I21
2009-08-09 01:57:10 C 20 55 26.96 -60 29 35.1 r I21
2009-08-09 02:31:16 C 20 55 26.68 -60 28 48.3 r I21
2009-08-14 04:50:30 C 20 55 52.93 -57 41 52.9 c 808
2009-08-14 05:05:29 C 20 55 52.88 -57 41 32.6 c 808
2009-08-17 03:42:00 C 20 56 21.45 -56 08 34.6 c 808
2009-08-17 03:51:59 C 20 56 21.44 -56 08 22.5 c 808
2009-08-17 04:02:00 C 20 56 21.44 -56 08 10.1 c 808
2009-08-23 02:46:09 C 20 57 51.56 -53 07 06.0 r I21
2009-08-23 03:05:30 C 20 57 51.76 -53 06 41.4 r I21
2009-08-23 08:35:01 C 20 57 57.59 -52 59 50.0 r 432
2009-08-23 09:04:14 C 20 57 57.94 -52 59 14.6 r 432
2009-08-23 09:33:16 C 20 57 58.11 -52 58 40.1 r 432
2009-08-24 09:03:01 C 20 58 18.08 -52 29 46.2 r 432
2009-08-24 09:40:24 C 20 58 18.48 -52 29 02.4 r 432
2009-08-24 09:58:49 C 20 58 18.73 -52 28 40.4 r 432
2009-09-05 03:28:09 C 21 03 58.88 -47 02 00.0 r 808
2009-09-05 03:38:19 C 21 03 59.30 -47 01 46.9 r 808
2009-09-05 03:49:09 C 21 03 59.33 -47 01 36.2 r 808
2009-09-08 11:00:32 C 21 06 07.34 -45 35 56.8 r 432
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)