477162 (2009 ES)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3292449691 ± 3.95e-08
Semi-major axis (a)1.4362910830 AU ± 3.78e-08
Inclination (i)30.33167039° ± 8.32e-06
Long. of Asc. Node (Ω)343.70157010° ± 1.02e-06
Arg. of Perihelion (ω)311.19398950° ± 2.17e-06
Mean Anomaly (M)149.68336235° ± 6.21e-05
Mean Motion (n)0.5725963560°/day ± 2.26e-08
Perihelion dist (q)0.96339947 AU ± 6.22e-08
Aphelion dist (Q)1.90918270 AU ± 7.58e-08
Orbital Period1.72132825 yr ± 6.80e-08
Physical Parameters
H (abs. magnitude)20.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.284″
Uncertainty0
Orbit TypeApollo
MOID0.039153 AU
Observations Used160
Radar Obs Used2
Oppositions3
Arc Total2009-2021
First Observation Used2009-03-02
Last Observation Used2021-02-15
Observations (173)
Date Type RA Dec Mag Band Observatory
2016-10-02 03:50:22 C 20 37 52.35 +36 11 07.5 q H45
2016-10-02 03:53:07 C 20 37 52.43 +36 11 09.3 q H45
2016-10-02 03:54:56 C 20 37 52.45 +36 11 10.5 q H45
2016-10-02 04:00:21 C 20 37 52.55 +36 11 14.5 q H45
2016-10-02 04:02:16 C 20 37 52.58 +36 11 15.8 q H45
2016-10-03 03:44:22 C 20 38 36.84 +36 28 13.8 q H45
2016-10-03 03:47:32 C 20 38 36.90 +36 28 15.8 q H45
2016-10-03 03:49:18 C 20 38 36.91 +36 28 17.0 q H45
2016-10-04 02:10:56 C 20 39 21.53 +36 42 58.2 q H45
2016-10-04 02:13:00 C 20 39 21.62 +36 42 59.9 q H45
2016-10-04 02:14:48 C 20 39 21.64 +36 43 00.6 q H45
2016-10-04 02:16:39 C 20 39 21.69 +36 43 02.0 q H45
2016-10-04 02:18:37 C 20 39 21.73 +36 43 03.5 q H45
2016-10-06 01:59:49 C 20 41 02.37 +37 10 33.6 q H45
2016-10-06 02:02:45 C 20 41 02.45 +37 10 35.5 q H45
2016-10-06 02:05:58 C 20 41 02.50 +37 10 37.5 q H45
2016-10-06 02:08:11 C 20 41 02.58 +37 10 38.2 q H45
2016-10-06 02:10:01 C 20 41 02.64 +37 10 39.6 q H45
2016-10-06 02:11:49 C 20 41 02.72 +37 10 40.0 q H45
2021-02-15 09:44:10 C 10 32 55.06 +31 28 30.7 V V00
2021-02-15 09:50:17 C 10 32 54.32 +31 28 29.5 V V00
2021-02-15 09:56:22 C 10 32 53.57 +31 28 28.5 V V00
2021-02-15 10:02:27 C 10 32 52.81 +31 28 27.6 V V00
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-09-10 01:45:00 -195611.9715 0.3 Hz 2380 -1 -1
2016-09-11 01:30:00 73112973.73 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)