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
2019-10-23 10:20:15 C 02 52 06.480 +10 29 26.82 U F51
2019-10-26 07:30:33 C 02 48 45.90 +10 20 11.7 V G96
2019-10-26 07:40:28 C 02 48 45.42 +10 20 10.2 V G96
2019-10-26 07:49:12 C 02 48 44.97 +10 20 09.1 V G96
2019-10-26 07:56:39 C 02 48 44.59 +10 20 08.2 V G96
2019-11-02 11:40:43 C 02 40 16.668 +09 57 32.56 U F52
2019-11-02 11:56:25 C 02 40 15.879 +09 57 30.58 U F52
2019-11-02 12:12:16 C 02 40 15.073 +09 57 28.55 U F52
2019-11-02 12:28:04 C 02 40 14.288 +09 57 26.41 U F52
2019-11-08 04:28:48 C 02 33 35.16 +09 40 39.3 V G96
2019-11-08 04:34:55 C 02 33 34.85 +09 40 38.8 V G96
2019-11-08 04:41:01 C 02 33 34.58 +09 40 37.8 V G96
2019-11-08 04:47:09 C 02 33 34.28 +09 40 37.1 V G96
2019-12-19 08:13:06 C 02 00 51.393 +09 01 57.22 U F51
2019-12-19 08:28:01 C 02 00 51.173 +09 01 57.89 U F51
2019-12-19 08:42:51 C 02 00 50.976 +09 01 58.78 U F51
2019-12-19 08:57:40 C 02 00 50.768 +09 01 59.54 U F51
2019-12-20 02:30:47 C 02 00 37.52 +09 02 59.0 V G96
2019-12-20 02:39:02 C 02 00 37.42 +09 02 59.9 V G96
2019-12-20 03:03:48 C 02 00 37.10 +09 03 00.6 V G96
2019-12-20 03:18:32 C 02 00 36.87 +09 03 01.9 V G96
2020-01-19 05:33:37 C 02 02 06.848 +10 30 39.88 U F51
2020-01-19 05:52:03 C 02 02 07.112 +10 30 43.14 U F51
2020-01-19 06:10:31 C 02 02 07.372 +10 30 46.33 U F51
2020-01-19 06:29:04 C 02 02 07.640 +10 30 49.60 U F51
2020-10-12 10:10:59 C 06 46 49.17 +28 11 03.3 V G96
2020-10-12 10:18:25 C 06 46 49.35 +28 11 04.1 V G96
2020-10-12 10:25:52 C 06 46 49.39 +28 11 05.1 V G96
2020-10-12 10:33:18 C 06 46 49.49 +28 11 06.1 V G96
2020-11-22 10:38:18 C 06 42 42.47 +30 58 13.7 V G96
2020-11-22 10:45:40 C 06 42 42.27 +30 58 14.8 V G96
2020-11-22 10:53:03 C 06 42 42.02 +30 58 16.7 V G96
2020-11-22 11:00:25 C 06 42 41.80 +30 58 18.5 V G96
2020-12-17 07:42:51 C 06 15 12.34 +32 55 14.2 V G96
2020-12-17 07:50:42 C 06 15 11.85 +32 55 15.1 V G96
2020-12-17 07:58:31 C 06 15 11.41 +32 55 16.5 V G96
2021-01-06 06:01:46 C 05 45 57.70 +33 41 03.3 V G96
2021-01-06 06:14:41 C 05 45 56.94 +33 41 03.9 V G96
2021-01-06 06:22:13 C 05 45 56.47 +33 41 03.9 V G96
2021-01-06 06:29:47 C 05 45 56.01 +33 41 04.2 V G96
2021-01-17 02:58:07 C 05 31 42.84 +33 41 14.2 V G96
2021-01-17 03:06:13 C 05 31 42.39 +33 41 14.0 V G96
2021-01-17 03:14:20 C 05 31 42.05 +33 41 13.5 V G96
2021-01-17 03:22:26 C 05 31 41.62 +33 41 13.5 V G96
2022-08-02 14:15:57 C 02 51 55.503 +08 10 48.32 U F52
2022-08-02 14:26:06 C 02 51 55.759 +08 10 49.13 U F52
2022-08-02 14:36:17 C 02 51 56.016 +08 10 50.16 U F52
2022-08-02 14:46:27 C 02 51 56.268 +08 10 51.01 U F52
2022-08-22 13:20:33 C 02 59 51.846 +08 29 28.91 U F52
2022-08-22 13:38:18 C 02 59 51.952 +08 29 28.77 U F52
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)