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
1981-07-10 18:37:17 00 05 06.31 -51 24 03.6 g 413
1981-07-10 19:47:17 00 05 00.30 -51 24 15.6 g 413
2001-12-20 05:10:30 C 04 37 01.11 +27 28 31.5 c 644
2001-12-20 07:15:38 C 04 36 54.67 +27 28 27.5 c 644
2001-12-20 08:45:02 C 04 36 50.06 +27 28 24.0 c 644
2003-08-31 13:44:55 C 01 41 42.87 -07 19 17.3 20.4 c 608
2003-08-31 14:00:16 C 01 41 42.20 -07 19 23.1 21.0 c 608
2003-08-31 14:15:44 C 01 41 41.66 -07 19 26.7 20.6 c 608
2003-09-01 07:42:47 C 01 41 04.11 -07 24 19.9 19.2 c 704
2003-09-01 07:59:57 C 01 41 03.43 -07 24 23.8 19.2 c 704
2003-09-01 08:17:13 C 01 41 02.72 -07 24 29.2 19.2 c 704
2003-09-01 08:34:29 C 01 41 02.12 -07 24 34.2 19.4 c 704
2003-09-02 01:58:28 C 01 40 23.04 -07 29 29.6 c 636
2003-09-02 02:04:30 C 01 40 22.74 -07 29 32.4 c 636
2003-09-02 02:11:06 C 01 40 22.51 -07 29 34.2 c 636
2003-09-03 09:50:46 C 01 39 08.70 -07 38 31.4 18.3 c 704
2003-09-03 09:57:49 C 01 39 08.38 -07 38 33.9 18.5 c 704
2003-09-03 10:07:52 C 01 39 07.93 -07 38 36.2 18.4 c 704
2003-09-03 10:15:13 C 01 39 07.74 -07 38 39.2 18.8 c 704
2003-09-03 10:32:51 C 01 39 06.91 -07 38 44.0 19.3 c 704
2003-09-03 10:41:49 C 01 39 06.48 -07 38 46.3 18.9 c 704
2003-09-03 10:50:38 C 01 39 06.19 -07 38 48.9 19.0 c 704
2003-09-03 10:58:48 C 01 39 05.76 -07 38 51.6 18.7 c 704
2003-09-03 11:08:35 C 01 39 05.42 -07 38 53.6 18.5 c 704
2003-09-04 02:02:57 C 01 38 29.53 -07 43 10.0 r J95
2003-09-04 02:11:44 C 01 38 29.21 -07 43 12.7 r J95
2003-09-04 02:22:51 C 01 38 28.74 -07 43 16.7 r J95
2003-09-05 00:10:48 C 01 37 34.56 -07 49 29.7 c 246
2003-09-05 00:13:18 C 01 37 34.43 -07 49 29.9 c 246
2003-09-05 00:14:29 C 01 37 34.38 -07 49 30.1 c 246
2003-09-05 00:15:46 C 01 37 34.35 -07 49 30.4 c 246
2003-09-05 01:14:38 C 01 37 31.79 -07 49 48.0 r J95
2003-09-05 01:23:25 C 01 37 31.49 -07 49 50.3 r J95
2003-09-05 01:32:12 C 01 37 31.06 -07 49 53.3 r J95
2003-09-05 09:59:43 C 01 37 09.39 -07 52 16.4 18.1 c 704
2003-09-05 10:19:55 C 01 37 08.47 -07 52 22.0 18.4 c 704
2003-09-05 10:39:25 C 01 37 07.59 -07 52 28.0 18.3 c 704
2003-09-05 15:05:21 C 01 36 56.494 -07 53 37.39 r 413
2003-09-05 15:09:21 C 01 36 56.314 -07 53 38.51 r 413
2003-09-05 15:13:21 C 01 36 56.130 -07 53 39.76 r 413
2003-09-05 15:17:21 C 01 36 55.964 -07 53 40.81 r 413
2003-09-05 23:34:50 C 01 36 34.42 -07 56 11.7 c 246
2003-09-05 23:37:00 C 01 36 34.31 -07 56 11.9 c 246
2003-09-05 23:39:28 C 01 36 34.21 -07 56 12.5 c 246
2003-09-05 23:40:54 C 01 36 34.13 -07 56 13.0 c 246
2003-09-06 01:45:40 C 01 36 28.67 -07 56 48.9 r 176
2003-09-06 01:49:49 C 01 36 28.46 -07 56 50.2 r 176
2003-09-06 01:53:30 C 01 36 28.28 -07 56 51.3 r 176
2003-09-06 01:56:59 C 01 36 28.10 -07 56 52.4 r 176
2003-09-06 02:00:49 C 01 36 27.90 -07 56 53.5 r 176
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)