484976 (2009 UN3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5756108250 ± 1.16e-08
Semi-major axis (a)2.3278381630 AU ± 1.07e-08
Inclination (i)37.43433742° ± 5.37e-06
Long. of Asc. Node (Ω)141.94641784° ± 5.51e-07
Arg. of Perihelion (ω)338.77682710° ± 1.00e-05
Mean Anomaly (M)165.91211717° ± 1.18e-05
Mean Motion (n)0.2775128518°/day ± 1.91e-09
Perihelion dist (q)0.98790932 AU ± 2.73e-08
Aphelion dist (Q)3.66776701 AU ± 3.18e-08
Orbital Period3.55164194 yr ± 2.44e-08
Physical Parameters
H (abs. magnitude)18.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.391″
Uncertainty0
Orbit TypeApollo
MOID0.025447 AU
Observations Used356
Radar Obs Used7
Oppositions5
Arc Total2003-2017
First Observation Used2003-03-07
Last Observation Used2017-04-21
Observations (365)
Date Type RA Dec Mag Band Observatory
2010-02-19 18:35:29 C 14 28 13.36 +63 01 18.6 u 379
2010-02-19 18:47:28 C 14 28 15.78 +63 01 52.3 u 379
2010-02-19 18:54:10 C 14 28 17.15 +63 02 11.8 u 379
2010-02-19 18:56:50 C 14 28 17.65 +63 02 19.2 u 379
2010-02-19 18:59:30 C 14 28 18.16 +63 02 26.6 u 379
2010-02-20 02:22:23 C 14 29 58.60 +63 22 32.8 15.8 u C20
2010-02-20 02:26:36 C 14 29 59.44 +63 22 43.9 15.8 u C20
2010-02-20 04:30:04 C 14 30 28.73 +63 28 12.3 c J52
2010-02-20 04:34:14 C 14 30 29.58 +63 28 22.9 c J52
2010-02-20 04:41:19 C 14 30 31.02 +63 28 41.2 c J52
2010-02-20 18:47:09 C 14 33 34.41 +64 03 44.3 u 379
2010-02-20 18:49:50 C 14 33 34.83 +64 03 50.2 u 379
2010-02-20 19:01:50 C 14 33 37.00 +64 04 18.7 u 379
2010-02-20 19:13:48 C 14 33 39.06 +64 04 46.7 u 379
2010-02-20 19:23:09 C 14 33 40.75 +64 05 09.1 u 379
2010-02-20 19:25:50 C 14 33 41.22 +64 05 15.1 u 379
2010-02-20 19:37:49 C 14 33 43.33 +64 05 43.2 u 379
2010-02-20 19:47:09 C 14 33 44.95 +64 06 04.6 u 379
2010-02-20 22:46:22 C 14 34 27.79 +64 12 10.5 v J93
2010-02-20 22:49:28 C 14 34 28.42 +64 12 18.4 v J93
2010-02-20 22:52:33 C 14 34 29.06 +64 12 26.2 v J93
2010-02-21 00:56:14 C 14 34 53.17 +64 17 32.0 u B88
2010-02-21 01:02:55 C 14 34 54.44 +64 17 47.9 u B88
2010-02-21 01:09:36 C 14 34 55.60 +64 18 03.7 u B88
2010-02-21 17:10:09 C 14 38 00.12 +64 52 03.6 u 379
2010-02-21 17:12:50 C 14 38 00.53 +64 52 09.4 u 379
2010-02-21 17:15:30 C 14 38 00.92 +64 52 14.9 u 379
2010-02-21 17:22:10 C 14 38 01.99 +64 52 28.5 u 379
2010-02-21 17:24:50 C 14 38 02.43 +64 52 33.9 u 379
2010-02-21 17:46:09 C 14 38 05.75 +64 53 17.9 u 379
2010-02-21 17:48:50 C 14 38 06.17 +64 53 23.4 u 379
2010-02-21 17:51:30 C 14 38 06.54 +64 53 29.0 u 379
2010-02-21 17:58:10 C 14 38 07.62 +64 53 42.7 u 379
2010-02-21 18:00:50 C 14 38 08.07 +64 53 48.0 u 379
2010-02-21 18:03:29 C 14 38 08.47 +64 53 53.3 u 379
2010-02-23 17:53:50 C 14 45 53.08 +66 14 48.3 u 379
2010-02-23 17:56:30 C 14 45 53.34 +66 14 52.3 u 379
2010-02-23 18:03:09 C 14 45 54.22 +66 15 02.3 u 379
2010-02-23 18:05:49 C 14 45 54.53 +66 15 06.2 u 379
2010-02-23 18:08:28 C 14 45 54.77 +66 15 10.1 u 379
2010-02-23 18:17:49 C 14 45 55.89 +66 15 24.0 u 379
2010-02-23 18:41:49 C 14 45 58.65 +66 15 59.0 u 379
2010-02-24 00:56:45 C 14 46 50.60 +66 24 40.4 16.8 u C20
2010-02-24 01:03:15 C 14 46 51.34 +66 24 49.2 16.7 u C20
2010-02-25 11:08:26 C 14 51 03.26 +67 07 25.5 u H45
2010-02-25 11:10:27 C 14 51 03.42 +67 07 27.6 u H45
2010-02-25 11:11:54 C 14 51 03.55 +67 07 29.2 u H45
2010-02-25 11:13:33 C 14 51 03.69 +67 07 31.1 u H45
2010-02-25 11:16:39 C 14 51 03.96 +67 07 34.5 u H45
2010-02-26 00:12:35 C 14 52 30.42 +67 21 29.0 17.2 u C20
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-02-08 11:50:00 335682.757 3 Hz 8560 -14 -14
2010-02-08 12:00:00 331984.755 2 Hz 8560 -14 -14
2010-02-08 12:40:00 37798568.82 10 us 8560 -14 -14
2010-02-08 13:10:00 37733011.96 3 us 8560 -14 -14
2010-02-08 13:30:00 37690579.32 1 us 8560 -14 -14
2010-02-09 12:50:00 -136802.112 2 Hz 8560 -14 -14
2010-02-09 13:20:00 36778858.4 4 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)