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
2010-02-10 00:48:32 C 12 39 50.33 +07 02 55.9 r J37
2010-02-10 01:24:25 C 12 40 17.31 +07 30 25.7 r J37
2010-02-10 01:25:49 C 12 40 18.36 +07 31 29.7 r J37
2010-02-10 23:23:09 C 12 56 50.61 +22 31 19.5 v 987
2010-02-10 23:24:57 C 12 56 51.88 +22 32 24.4 v 987
2010-02-10 23:26:37 C 12 56 53.02 +22 33 24.1 v 987
2010-02-10 23:28:20 C 12 56 54.23 +22 34 26.6 v 987
2010-02-10 23:29:49 C 12 56 55.28 +22 35 20.3 v 987
2010-02-10 23:31:11 C 12 56 56.19 +22 36 08.2 v 987
2010-02-11 00:10:36 C 12 57 23.58 +22 59 37.0 o J16
2010-02-11 00:13:39 C 12 57 25.69 +23 01 25.0 o J16
2010-02-11 00:16:17 C 12 57 27.50 +23 02 58.4 o J16
2010-02-11 04:47:59 C 13 00 41.50 +25 38 38.1 o H26
2010-02-11 04:48:20 C 13 00 41.73 +25 38 50.2 o H26
2010-02-11 04:48:43 C 13 00 41.98 +25 39 02.5 o H26
2010-02-11 04:49:03 C 13 00 42.21 +25 39 14.4 o H26
2010-02-11 04:49:26 C 13 00 42.47 +25 39 26.7 o H26
2010-02-11 04:49:47 C 13 00 42.72 +25 39 38.4 o H26
2010-02-11 04:50:08 C 13 00 42.96 +25 39 50.4 o H26
2010-02-11 04:50:30 C 13 00 43.21 +25 40 02.4 o H26
2010-02-11 04:50:51 C 13 00 43.45 +25 40 14.4 o H26
2010-02-11 04:51:14 C 13 00 43.69 +25 40 26.5 o H26
2010-02-11 04:51:35 C 13 00 43.94 +25 40 38.3 o H26
2010-02-11 04:51:56 C 13 00 44.18 +25 40 50.6 o H26
2010-02-11 04:52:19 C 13 00 44.42 +25 41 02.8 o H26
2010-02-11 04:52:40 C 13 00 44.67 +25 41 14.8 o H26
2010-02-11 04:53:02 C 13 00 44.91 +25 41 27.1 o H26
2010-02-11 04:53:23 C 13 00 45.16 +25 41 39.1 o H26
2010-02-11 04:53:45 C 13 00 45.41 +25 41 51.5 o H26
2010-02-11 04:54:08 C 13 00 45.67 +25 42 03.5 o H26
2010-02-11 04:54:29 C 13 00 45.91 +25 42 15.8 o H26
2010-02-11 04:54:52 C 13 00 46.16 +25 42 27.9 o H26
2010-02-11 04:55:13 C 13 00 46.41 +25 42 40.2 o H26
2010-02-11 04:55:35 C 13 00 46.64 +25 42 52.4 o H26
2010-02-11 04:55:56 C 13 00 46.89 +25 43 04.6 o H26
2010-02-11 04:56:24 C 13 00 47.18 +25 43 20.1 o H26
2010-02-11 04:56:47 C 13 00 47.44 +25 43 32.1 o H26
2010-02-11 04:57:08 C 13 00 47.70 +25 43 44.6 o H26
2010-02-11 04:57:31 C 13 00 47.94 +25 43 56.6 o H26
2010-02-11 04:57:51 C 13 00 48.17 +25 44 08.3 o H26
2010-02-11 04:58:14 C 13 00 48.42 +25 44 20.7 o H26
2010-02-11 04:58:35 C 13 00 48.66 +25 44 32.6 o H26
2010-02-12 05:10:22 C 13 16 37.00 +36 57 38.0 o H26
2010-02-12 05:10:45 C 13 16 37.21 +36 57 46.4 o H26
2010-02-12 05:11:06 C 13 16 37.41 +36 57 54.7 o H26
2010-02-12 05:11:29 C 13 16 37.63 +36 58 03.4 o H26
2010-02-12 05:12:12 C 13 16 38.08 +36 58 20.3 o H26
2010-02-12 05:12:33 C 13 16 38.33 +36 58 28.7 o H26
2010-02-12 05:12:55 C 13 16 38.50 +36 58 37.2 o H26
2010-02-12 05:13:18 C 13 16 38.72 +36 58 45.9 o H26
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)