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
2009-04-18 04:01:32 C 10 32 11.32 +44 26 49.9 r I13
2009-04-18 21:54:07 C 10 31 21.607 +44 14 16.18 c 544
2009-04-18 22:07:11 C 10 31 20.913 +44 14 05.59 c 544
2009-04-18 22:13:41 C 10 31 20.622 +44 14 00.14 c 544
2009-04-18 22:23:30 C 10 31 20.128 +44 13 52.73 c 544
2009-04-18 22:30:01 C 10 31 19.766 +44 13 47.74 c 544
2009-04-18 22:33:21 C 10 31 19.95 +44 13 47.6 w J93
2009-04-18 22:37:26 C 10 31 19.73 +44 13 44.7 w J93
2009-04-18 22:41:32 C 10 31 19.53 +44 13 41.6 w J93
2009-04-18 23:31:20 C 10 31 16.78 +44 13 03.3 r B12
2009-04-18 23:38:42 C 10 31 16.40 +44 12 57.6 r B12
2009-04-19 00:44:32 C 10 31 13.12 +44 12 07.2 r B12
2009-04-19 00:48:30 C 10 31 12.94 +44 12 04.2 r B12
2009-04-19 21:52:32 C 10 30 17.63 +43 56 32.8 w J93
2009-04-19 21:54:35 C 10 30 17.54 +43 56 31.5 w J93
2009-04-19 21:58:40 C 10 30 17.31 +43 56 27.9 w J93
2009-04-20 21:50:17 C 10 29 16.21 +43 37 38.2 r B12
2009-04-20 21:55:21 C 10 29 15.96 +43 37 34.0 r B12
2009-04-20 22:00:23 C 10 29 15.72 +43 37 29.8 r B12
2009-04-20 22:05:27 C 10 29 15.47 +43 37 25.4 r B12
2009-04-21 21:30:39 C 10 28 17.77 +43 17 46.9 16.7 r C20
2009-04-22 22:21:33 C 10 27 20.62 +42 55 38.7 16.0 r C20
2009-04-23 04:40:49 C 10 27 07.45 +42 49 59.6 r H53
2009-04-23 04:45:51 C 10 27 07.18 +42 49 55.0 r H53
2009-04-23 04:50:50 C 10 27 07.03 +42 49 49.9 r H53
2009-04-23 04:55:29 C 10 27 06.73 +42 49 45.5 r H53
2009-04-23 05:00:35 C 10 27 06.55 +42 49 40.6 r H53
2009-04-23 05:05:34 C 10 27 06.30 +42 49 35.8 r H53
2009-04-24 06:01:11 C 10 26 13.74 +42 25 48.9 r 703
2009-04-24 06:10:47 C 10 26 13.34 +42 25 39.0 r 703
2009-04-24 06:20:32 C 10 26 12.91 +42 25 28.7 r 703
2009-04-24 06:30:06 C 10 26 12.51 +42 25 18.8 r 703
2009-04-24 21:43:41 C 10 25 42.99 +42 09 55.5 o B84
2009-04-24 21:52:29 C 10 25 42.64 +42 09 46.3 o B84
2009-04-24 22:10:12 C 10 25 41.93 +42 09 27.6 o B84
2009-04-24 22:12:25 C 10 25 41.85 +42 09 25.4 o B84
2009-04-27 02:39:59 C 10 24 07.03 +41 12 50.7 r I13
2009-04-27 04:25:49 C 10 24 03.58 +41 10 47.9 r H53
2009-04-27 04:27:31 C 10 24 03.09 +41 10 43.2 r I13
2009-04-27 04:31:39 C 10 24 03.31 +41 10 40.8 r H53
2009-04-27 04:36:39 C 10 24 03.25 +41 10 35.0 r H53
2009-04-27 04:41:39 C 10 24 02.95 +41 10 29.1 r H53
2009-04-27 04:46:39 C 10 24 02.79 +41 10 22.4 r H53
2009-04-27 04:51:39 C 10 24 02.60 +41 10 16.0 r H53
2009-04-29 21:22:55 C 10 22 26.92 +39 50 59.8 14.4 o A92
2009-04-29 21:31:45 C 10 22 26.53 +39 50 47.0 14.4 o A92
2009-04-29 21:36:10 C 10 22 26.45 +39 50 41.1 14.3 o A92
2009-04-29 21:40:25 C 10 22 26.35 +39 50 34.2 14.3 o A92
2009-04-29 21:47:55 C 10 22 26.14 +39 50 26.2 14.4 o A92
2009-04-29 22:07:52 C 10 22 25.61 +39 49 57.0 14.4 o A92
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)