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
2017-03-08 02:46:03 C 04 01 23.99 +10 02 41.1 o 691
2017-03-08 02:51:19 C 04 01 24.80 +10 03 00.8 o 691
2017-03-08 03:26:24 C 04 01 30.42 +10 05 10.0 o 691
2017-03-08 03:29:02 C 04 01 30.82 +10 05 19.6 o 691
2017-03-10 02:52:51 C 04 09 19.14 +13 01 00.1 q G96
2017-03-10 02:58:59 C 04 09 20.11 +13 01 22.6 q G96
2017-03-10 03:05:07 C 04 09 21.14 +13 01 45.3 q G96
2017-03-10 03:11:15 C 04 09 22.14 +13 02 08.0 q G96
2017-03-11 05:58:19 C 04 13 52.691 +14 41 29.54 L F51
2017-03-11 06:17:11 C 04 13 55.837 +14 42 39.27 L F51
2017-03-11 06:35:53 C 04 13 58.945 +14 43 48.05 L F51
2017-04-21 03:23:14 C 07 59 17.52 +53 45 58.2 q G96
2017-04-21 03:28:47 C 07 59 19.02 +53 46 00.9 q G96
2017-04-21 03:34:20 C 07 59 20.51 +53 46 05.5 q G96
2017-04-21 03:39:52 C 07 59 21.99 +53 46 08.9 q G96
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)