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
2016-12-05 03:19:29 C 02 34 29.63 +12 41 57.4 q G96
2016-12-05 03:27:12 C 02 34 29.40 +12 41 56.4 q G96
2017-10-28 09:45:57 C 07 27 35.73 +29 11 09.6 U G96
2017-10-28 09:54:08 C 07 27 35.86 +29 11 11.5 U G96
2017-10-28 10:02:15 C 07 27 35.97 +29 11 12.3 U G96
2017-10-28 10:10:21 C 07 27 36.13 +29 11 13.3 U G96
2017-11-25 20:28:36 C 07 27 11.37 +31 34 21.3 q D29
2017-11-25 20:48:58 C 07 27 10.97 +31 34 27.2 q D29
2017-11-28 07:42:26 C 07 25 55.12 +31 50 19.6 U G96
2017-11-28 07:49:28 C 07 25 54.97 +31 50 21.2 U G96
2017-11-28 07:56:25 C 07 25 54.71 +31 50 23.4 U G96
2017-11-28 08:03:22 C 07 25 54.61 +31 50 25.5 U G96
2017-12-23 08:46:27 C 07 00 37.70 +34 40 13.8 U G96
2017-12-23 08:54:00 C 07 00 37.22 +34 40 15.4 U G96
2017-12-23 09:01:34 C 07 00 36.77 +34 40 17.5 U G96
2017-12-25 07:47:30 C 06 57 48.55 +34 52 09.9 U 703
2017-12-25 07:55:10 C 06 57 48.12 +34 52 12.1 U 703
2017-12-25 08:02:50 C 06 57 47.59 +34 52 13.8 U 703
2017-12-25 08:10:33 C 06 57 47.11 +34 52 16.4 U 703
2017-12-29 05:27:09 C 06 51 56.88 +35 14 21.8 U G96
2017-12-29 05:34:43 C 06 51 56.37 +35 14 23.6 U G96
2017-12-29 05:42:16 C 06 51 55.89 +35 14 25.3 U G96
2017-12-29 05:49:50 C 06 51 55.38 +35 14 26.9 U G96
2018-01-20 05:34:10 C 06 17 13.95 +36 25 22.6 U G96
2018-01-20 05:42:23 C 06 17 13.44 +36 25 22.7 U G96
2018-01-20 05:50:35 C 06 17 12.94 +36 25 22.9 U G96
2018-01-26 02:43:00 C 06 09 06.43 +36 27 27.6 U G96
2018-01-26 03:05:44 C 06 09 05.18 +36 27 27.6 U G96
2018-01-26 03:13:15 C 06 09 04.91 +36 27 27.4 U G96
2019-09-22 10:47:03 C 03 19 11.95 +11 49 57.5 V G96
2019-09-22 10:54:59 C 03 19 11.78 +11 49 57.3 V G96
2019-09-22 11:01:17 C 03 19 11.67 +11 49 56.9 V G96
2019-09-22 11:11:28 C 03 19 11.42 +11 49 56.1 V G96
2019-09-24 11:51:48 C 03 18 06.514 +11 46 27.24 U F51
2019-09-24 12:09:39 C 03 18 06.071 +11 46 25.89 U F51
2019-09-24 12:27:34 C 03 18 05.639 +11 46 24.56 U F51
2019-09-30 08:47:39 C 03 14 20.69 +11 34 35.9 V G96
2019-09-30 08:55:45 C 03 14 20.45 +11 34 35.4 V G96
2019-09-30 09:03:52 C 03 14 20.22 +11 34 34.1 V G96
2019-09-30 09:11:59 C 03 14 19.94 +11 34 33.9 V G96
2019-10-05 11:31:23 C 03 10 20.944 +11 22 23.08 U F51
2019-10-05 11:47:36 C 03 10 20.359 +11 22 21.11 U F51
2019-10-05 12:03:53 C 03 10 19.772 +11 22 19.88 U F51
2019-10-20 09:36:13 C 02 55 32.22 +10 39 04.5 V G96
2019-10-20 09:44:15 C 02 55 31.84 +10 39 03.0 V G96
2019-10-20 09:52:16 C 02 55 31.47 +10 39 02.6 V G96
2019-10-20 10:00:16 C 02 55 31.07 +10 39 00.9 V G96
2019-10-23 08:48:01 C 02 52 10.987 +10 29 38.98 U F51
2019-10-23 09:18:11 C 02 52 09.514 +10 29 35.01 U F51
2019-10-23 09:49:07 C 02 52 08.001 +10 29 30.94 U F51
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)