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
2013-11-29 04:15:36 C 03 07 50.92 +16 25 51.2 q G96
2013-12-23 04:32:17 C 02 48 14.37 +15 54 07.0 q G96
2013-12-23 04:41:15 C 02 48 14.18 +15 54 06.8 q G96
2013-12-23 04:50:14 C 02 48 13.96 +15 54 06.8 q G96
2013-12-23 05:03:27 C 02 48 13.64 +15 54 06.6 q G96
2014-10-01 14:06:18 C 07 41 59.922 +27 50 32.05 L F51
2014-10-01 14:13:55 C 07 42 00.290 +27 50 32.36 L F51
2014-10-01 14:21:31 C 07 42 00.622 +27 50 32.48 L F51
2014-10-01 14:29:09 C 07 42 00.993 +27 50 33.01 L F51
2014-11-04 10:35:11 C 08 13 05.44 +28 52 35.5 q G96
2014-11-04 10:42:34 C 08 13 05.60 +28 52 36.4 q G96
2014-11-04 10:49:56 C 08 13 05.83 +28 52 37.6 q G96
2014-11-04 10:57:19 C 08 13 06.00 +28 52 38.9 q G96
2014-11-21 12:26:58 C 08 20 35.480 +30 09 51.67 L F51
2014-11-21 12:47:00 C 08 20 35.628 +30 09 56.61 L F51
2014-11-21 13:07:02 C 08 20 35.786 +30 10 01.44 L F51
2014-11-21 13:27:02 C 08 20 35.938 +30 10 06.33 L F51
2014-12-25 12:16:18 C 08 07 15.514 +34 48 21.33 L F51
2014-12-25 12:33:36 C 08 07 14.704 +34 48 28.53 L F51
2014-12-25 12:50:53 C 08 07 13.895 +34 48 35.58 L F51
2014-12-25 13:11:02 C 08 07 12.944 +34 48 43.71 L F51
2014-12-27 12:52:36 C 08 04 59.530 +35 08 16.43 L F51
2014-12-27 13:10:15 C 08 04 58.645 +35 08 23.52 L F51
2015-01-10 10:02:46 C 07 45 20.99 +37 17 26.1 q 703
2015-01-10 10:10:03 C 07 45 20.49 +37 17 27.9 q 703
2015-01-10 10:17:24 C 07 45 20.01 +37 17 31.1 q 703
2015-01-10 10:24:42 C 07 45 19.51 +37 17 33.1 q 703
2015-01-15 05:43:36 C 07 37 13.74 +37 55 15.2 q 703
2015-01-15 05:51:59 C 07 37 13.14 +37 55 18.4 q 703
2015-01-15 06:09:32 C 07 37 11.89 +37 55 23.1 q 703
2015-01-20 03:56:54 C 07 28 34.03 +38 27 49.6 q 703
2015-01-20 04:04:06 C 07 28 33.46 +38 27 51.0 q 703
2015-01-20 04:11:20 C 07 28 32.99 +38 27 53.4 q 703
2015-01-20 07:13:45 C 07 28 19.10 +38 28 38.6 q G96
2015-01-20 07:22:49 C 07 28 18.41 +38 28 40.8 q G96
2015-01-20 07:31:54 C 07 28 17.72 +38 28 43.0 q G96
2015-01-20 07:41:01 C 07 28 17.03 +38 28 45.2 q G96
2015-01-28 08:25:29 C 07 14 08.908 +39 05 59.58 L F51
2015-01-28 08:41:47 C 07 14 07.717 +39 06 01.82 L F51
2015-01-28 08:58:05 C 07 14 06.504 +39 06 04.20 L F51
2015-02-12 09:23:48 C 06 51 29.839 +39 22 56.95 L F51
2015-02-12 09:41:19 C 06 51 28.905 +39 22 56.23 L F51
2015-02-12 09:58:46 C 06 51 27.982 +39 22 55.37 L F51
2015-02-12 10:16:15 C 06 51 27.049 +39 22 54.55 L F51
2015-02-13 13:18:26 C 06 50 06.33 +39 21 43.8 q D29
2015-02-13 14:06:41 C 06 50 03.84 +39 21 39.2 q D29
2015-02-16 05:44:20 C 06 47 07.695 +39 17 48.41 L F51
2015-02-16 06:01:41 C 06 47 06.899 +39 17 47.24 L F51
2015-02-16 06:18:59 C 06 47 06.111 +39 17 46.06 L F51
2015-02-16 06:36:22 C 06 47 05.315 +39 17 44.89 L 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)