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
2003-10-19 04:42:57 C 00 38 53.63 -10 55 36.9 18.9 c 704
2003-10-19 05:00:29 C 00 38 52.81 -10 55 37.6 19.2 c 704
2003-10-19 05:16:44 C 00 38 51.92 -10 55 37.2 19.2 c 704
2003-10-19 05:33:35 C 00 38 51.04 -10 55 36.6 19.3 c 704
2003-11-19 02:25:04 C 00 18 07.34 -09 02 29.8 d 291
2003-11-19 02:33:57 C 00 18 07.27 -09 02 27.6 d 291
2003-11-19 02:43:37 C 00 18 07.18 -09 02 25.1 d 291
2003-12-22 02:01:52 C 00 25 29.91 -04 53 23.1 d 291
2003-12-22 02:25:56 C 00 25 30.46 -04 53 14.7 d 291
2003-12-22 02:31:36 C 00 25 30.57 -04 53 12.3 d 291
2004-09-16 10:35:07 C 05 10 44.81 +23 30 25.2 d 291
2004-09-16 10:51:16 C 05 10 45.06 +23 30 26.2 d 291
2004-09-16 11:07:26 C 05 10 45.21 +23 30 27.5 d 291
2004-10-24 06:55:26 C 05 07 10.46 +24 42 19.3 d 291
2004-10-24 07:04:47 C 05 07 10.20 +24 42 20.7 d 291
2004-10-24 07:14:06 C 05 07 10.02 +24 42 20.1 d 291
2004-12-03 05:24:33 C 04 26 43.80 +25 05 40.0 d 291
2004-12-03 05:35:07 C 04 26 43.23 +25 05 39.3 d 291
2004-12-03 05:41:09 C 04 26 42.90 +25 05 39.1 d 291
2005-12-02 12:05:45 C 11 47 31.58 +14 36 19.2 d 291
2005-12-02 12:13:20 C 11 47 32.32 +14 36 16.2 d 291
2005-12-02 12:22:09 C 11 47 33.16 +14 36 13.0 d 291
2005-12-27 11:33:39 C 12 50 23.67 +10 20 33.4 r 703
2005-12-27 11:45:17 C 12 50 24.93 +10 20 27.7 r 703
2005-12-27 11:56:55 C 12 50 26.23 +10 20 22.9 r 703
2005-12-27 12:08:32 C 12 50 27.42 +10 20 16.6 r 703
2005-12-30 10:49:12 C 12 58 32.59 +09 47 24.1 r 703
2005-12-30 11:01:27 C 12 58 33.96 +09 47 18.2 r 703
2005-12-30 11:12:41 C 12 58 35.25 +09 47 14.0 r 703
2005-12-30 11:23:54 C 12 58 36.51 +09 47 07.2 r 703
2006-01-02 11:27:38 C 13 07 01.94 +09 12 52.1 18.9 c 704
2006-01-02 11:46:43 C 13 07 04.22 +09 12 44.5 19.1 c 704
2006-01-02 12:05:55 C 13 07 06.41 +09 12 34.3 19.2 c 704
2006-01-02 12:25:08 C 13 07 08.68 +09 12 25.1 19.1 c 704
2006-01-12 11:36:04 C 13 36 37.42 +07 12 10.1 18.2 c 704
2006-01-12 11:54:42 C 13 36 39.75 +07 11 59.5 18.3 c 704
2006-01-12 12:13:53 C 13 36 42.10 +07 11 50.2 18.6 c 704
2006-01-12 12:32:29 C 13 36 44.48 +07 11 39.8 18.8 c 704
2006-01-22 12:54:57 C 14 09 12.19 +04 57 48.3 c 670
2006-01-22 14:04:32 C 14 09 21.93 +04 57 07.3 c 670
2006-02-25 12:16:36 C 16 29 36.38 -04 59 43.9 r 703
2006-02-25 12:27:30 C 16 29 38.58 -04 59 53.6 r 703
2006-02-25 12:38:24 C 16 29 40.81 -05 00 04.1 r 703
2006-02-25 12:49:20 C 16 29 43.04 -05 00 13.6 r 703
2006-02-26 07:00:36 C 16 33 29.94 -05 15 54.7 16.8 c 844
2006-02-26 07:03:46 C 16 33 30.64 -05 15 55.4 16.8 c 844
2006-02-26 07:06:48 C 16 33 31.14 -05 15 59.8 16.9 c 844
2006-02-26 07:08:29 C 16 33 31.48 -05 16 01.8 16.4 c 844
2006-04-25 18:42:37 C 21 45 58.39 -18 11 55.4 r E12
2006-04-25 18:56:37 C 21 46 00.94 -18 11 55.3 r E12
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)