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
2009-02-19 00:20:47 C 11 48 24.42 +35 29 36.0 r 130
2009-02-19 00:23:41 C 11 48 24.38 +35 29 38.5 r 130
2009-02-20 01:03:01 C 11 48 09.25 +35 51 47.3 r J27
2009-02-20 01:09:45 C 11 48 09.14 +35 51 53.4 r J27
2009-02-20 01:19:09 C 11 48 09.00 +35 52 01.8 r J27
2009-02-22 23:05:30 C 11 47 08.08 +36 55 18.2 r J27
2009-02-22 23:15:52 C 11 47 07.86 +36 55 27.9 r J27
2009-02-22 23:25:24 C 11 47 07.63 +36 55 36.9 r J27
2009-02-24 10:25:39 C 11 46 25.32 +37 27 38.5 r 703
2009-02-24 10:33:23 C 11 46 25.06 +37 27 45.6 r 703
2009-02-24 10:41:17 C 11 46 24.88 +37 27 52.8 r 703
2009-02-24 10:49:11 C 11 46 24.67 +37 27 59.6 r 703
2009-02-28 01:55:39 C 11 44 11.18 +38 47 26.5 c A24
2009-02-28 01:57:05 C 11 44 11.13 +38 47 27.7 c A24
2009-02-28 02:17:38 C 11 44 10.44 +38 47 46.3 c A24
2009-02-28 02:39:39 C 11 44 09.67 +38 48 06.0 c A24
2009-02-28 03:00:12 C 11 44 08.98 +38 48 24.0 c A24
2009-02-28 03:01:40 C 11 44 08.94 +38 48 25.4 c A24
2009-03-07 02:59:42 C 11 37 44.91 +41 16 19.2 o B75
2009-03-07 03:01:10 C 11 37 44.82 +41 16 20.6 o B75
2009-03-07 03:02:40 C 11 37 44.75 +41 16 21.7 o B75
2009-03-07 23:57:14 C 11 36 46.82 +41 33 54.1 r J27
2009-03-08 00:12:45 C 11 36 45.99 +41 34 07.2 r J27
2009-03-08 00:22:12 C 11 36 45.48 +41 34 15.0 r J27
2009-03-08 02:26:13 C 11 36 38.73 +41 35 55.2 o B75
2009-03-08 02:28:22 C 11 36 38.59 +41 35 56.6 o B75
2009-03-08 02:30:00 C 11 36 38.51 +41 35 57.8 o B75
2009-03-12 23:34:55 C 11 30 23.38 +43 07 47.2 r 157
2009-03-12 23:42:57 C 11 30 22.91 +43 07 52.5 r 157
2009-03-12 23:50:58 C 11 30 22.37 +43 07 58.9 r 157
2009-03-16 09:17:40 C 11 25 20.06 +44 04 25.9 r 703
2009-03-16 09:24:20 C 11 25 19.59 +44 04 30.2 r 703
2009-03-16 09:31:20 C 11 25 19.05 +44 04 34.5 r 703
2009-03-16 09:38:19 C 11 25 18.55 +44 04 39.0 r 703
2009-03-17 20:43:33 C 11 23 01.49 +44 26 34.1 c 127
2009-03-17 20:48:48 C 11 23 01.11 +44 26 37.5 c 127
2009-03-17 20:54:23 C 11 23 00.69 +44 26 41.1 c 127
2009-03-17 20:59:24 C 11 23 00.35 +44 26 44.1 c 127
2009-03-17 21:04:06 C 11 22 59.98 +44 26 47.1 c 127
2009-03-18 19:58:08 C 11 21 27.03 +44 40 18.7 c 127
2009-03-18 20:03:08 C 11 21 26.68 +44 40 21.8 c 127
2009-03-18 20:13:18 C 11 21 25.92 +44 40 28.0 c 127
2009-03-21 05:49:22 C 11 17 22.92 +45 11 36.9 r 703
2009-03-21 05:57:27 C 11 17 22.27 +45 11 41.1 r 703
2009-03-21 06:05:36 C 11 17 21.62 +45 11 45.2 r 703
2009-03-21 06:13:52 C 11 17 20.97 +45 11 49.4 r 703
2009-03-21 20:53:12 C 11 16 18.28 +45 18 52.6 15.7 c 619
2009-03-21 20:54:44 C 11 16 18.22 +45 18 54.0 15.7 c 619
2009-03-21 21:07:10 C 11 16 17.23 +45 19 00.4 15.6 c 619
2009-03-21 21:16:18 C 11 16 16.54 +45 18 59.2 o J41
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)