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
2010-02-12 05:13:41 C 13 16 38.99 +36 58 54.6 o H26
2010-02-12 20:56:02 C 13 25 54.44 +42 19 01.5 c 587
2010-02-12 20:57:23 C 13 25 55.22 +42 19 27.0 c 587
2010-02-12 20:58:42 C 13 25 55.93 +42 19 50.7 c 587
2010-02-12 20:59:46 C 13 25 56.55 +42 20 10.3 c 587
2010-02-13 02:39:53 C 13 28 58.57 +43 59 35.2 v 204
2010-02-13 02:40:54 C 13 28 59.09 +43 59 52.1 v 204
2010-02-13 02:41:53 C 13 28 59.60 +44 00 08.6 v 204
2010-02-13 02:42:54 C 13 29 00.11 +44 00 25.3 v 204
2010-02-13 02:43:54 C 13 29 00.62 +44 00 42.0 v 204
2010-02-13 04:53:23 C 13 30 19.02 +44 35 11.4 o H26
2010-02-13 04:53:45 C 13 30 19.21 +44 35 17.4 o H26
2010-02-13 04:54:07 C 13 30 19.40 +44 35 23.3 o H26
2010-02-13 04:54:28 C 13 30 19.59 +44 35 29.0 o H26
2010-02-13 04:54:51 C 13 30 19.79 +44 35 35.0 o H26
2010-02-13 04:55:12 C 13 30 19.98 +44 35 40.9 o H26
2010-02-13 04:55:33 C 13 30 20.17 +44 35 46.8 o H26
2010-02-13 04:55:55 C 13 30 20.34 +44 35 52.7 o H26
2010-02-13 04:56:16 C 13 30 20.54 +44 35 58.6 o H26
2010-02-13 04:56:39 C 13 30 20.76 +44 36 04.6 o H26
2010-02-13 04:57:35 C 13 30 20.13 +44 36 41.6 o I15
2010-02-13 04:59:56 C 13 30 22.55 +44 36 58.8 o H26
2010-02-13 05:00:17 C 13 30 22.73 +44 37 04.8 o H26
2010-02-13 05:00:38 C 13 30 22.93 +44 37 10.3 o H26
2010-02-13 05:01:01 C 13 30 23.11 +44 37 16.2 o H26
2010-02-13 05:01:21 C 13 30 23.31 +44 37 22.1 o H26
2010-02-13 05:02:04 C 13 30 23.67 +44 37 33.8 o H26
2010-02-13 05:02:25 C 13 30 23.87 +44 37 39.5 o H26
2010-02-13 05:03:47 C 13 30 24.59 +44 38 01.8 o H26
2010-02-13 05:04:10 C 13 30 24.77 +44 38 08.0 o H26
2010-02-13 05:04:31 C 13 30 25.02 +44 38 13.3 o H26
2010-02-13 05:04:54 C 13 30 25.16 +44 38 19.7 o H26
2010-02-13 05:05:15 C 13 30 25.37 +44 38 25.7 o H26
2010-02-13 05:05:36 C 13 30 25.53 +44 38 31.5 o H26
2010-02-13 05:05:59 C 13 30 25.74 +44 38 37.4 o H26
2010-02-13 05:06:19 C 13 30 25.93 +44 38 43.2 o H26
2010-02-13 05:06:42 C 13 30 26.11 +44 38 48.9 o H26
2010-02-13 05:07:03 C 13 30 26.31 +44 38 54.8 o H26
2010-02-13 05:08:47 C 13 30 25.93 +44 39 44.1 o I15
2010-02-13 05:19:51 C 13 30 31.65 +44 42 43.9 o I15
2010-02-14 04:57:38 C 13 42 34.60 +50 02 24.1 o H26
2010-02-14 04:58:01 C 13 42 34.79 +50 02 28.3 o H26
2010-02-14 04:58:22 C 13 42 34.96 +50 02 32.7 o H26
2010-02-14 04:58:45 C 13 42 35.14 +50 02 37.0 o H26
2010-02-14 04:59:07 C 13 42 35.31 +50 02 41.2 o H26
2010-02-14 04:59:28 C 13 42 35.50 +50 02 45.5 o H26
2010-02-14 04:59:51 C 13 42 35.68 +50 02 50.1 o H26
2010-02-14 05:00:14 C 13 42 35.84 +50 02 54.4 o H26
2010-02-14 05:00:36 C 13 42 36.02 +50 02 58.8 o H26
2010-02-14 05:02:24 C 13 42 36.87 +50 03 20.1 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)