2012 US169

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4873299264 ± 1.20e-04
Semi-major axis (a)2.3647599753 AU ± 4.46e-04
Inclination (i)4.17487214° ± 7.58e-04
Long. of Asc. Node (Ω)349.05947874° ± 2.29e-03
Arg. of Perihelion (ω)330.39791858° ± 7.92e-03
Mean Anomaly (M)243.47248635° ± 3.82e-01
Mean Motion (n)0.2710389317°/day ± 7.66e-05
Perihelion dist (q)1.21234167 AU ± 3.64e-04
Aphelion dist (Q)3.51717828 AU ± 7.21e-04
Orbital Period3.63647494 yr ± 1.03e-03
Physical Parameters
H (abs. magnitude)20.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.259″
Uncertainty3
Orbit TypeAmor
MOID0.201209 AU
Observations Used26
Oppositions1
Arc Total2012-2012
First Observation Used2012-10-22
Last Observation Used2012-11-17
Observations (26)
Date Type RA Dec Mag Band Observatory
2012-10-22 13:16:50 c 03 12 50.349 +25 37 03.08 L F51
2012-10-22 13:37:36 c 03 12 49.076 +25 37 01.53 L F51
2012-10-22 13:58:27 c 03 12 47.774 +25 36 59.43 L F51
2012-10-23 04:26:56 C 03 11 57.60 +25 35 37.3 o 291
2012-10-23 04:35:32 C 03 11 57.07 +25 35 37.6 o 291
2012-10-23 08:59:42 C 03 11 40.59 +25 35 14.2 o H01
2012-10-23 09:13:00 C 03 11 39.75 +25 35 12.9 o H01
2012-10-23 09:39:41 C 03 11 38.08 +25 35 10.2 o H01
2012-10-23 09:53:00 C 03 11 37.25 +25 35 08.8 o H01
2012-10-24 12:47:09 C 03 10 00.758 +25 32 27.21 V F51
2012-10-24 13:06:54 C 03 09 59.510 +25 32 24.48 V F51
2012-10-25 08:05:40 C 03 08 51.15 +25 30 13.8 t 711
2012-10-25 08:16:14 C 03 08 50.50 +25 30 12.5 t 711
2012-10-25 08:25:28 C 03 08 49.91 +25 30 11.3 t 711
2012-10-27 09:53:19 C 03 05 49.824 +25 23 51.39 V F51
2012-10-27 10:13:05 C 03 05 48.500 +25 23 48.54 V F51
2012-11-05 08:48:59 C 02 52 51.151 +24 45 03.28 V F51
2012-11-05 09:07:44 C 02 52 50.005 +24 44 59.58 V F51
2012-11-05 10:52:37 C 02 52 43.538 +24 44 36.79 V F51
2012-11-05 11:10:03 C 02 52 42.458 +24 44 33.19 V F51
2012-11-07 10:07:43 C 02 50 00.32 +24 34 07.0 o 291
2012-11-07 10:13:23 C 02 50 00.07 +24 34 05.9 o 291
2012-11-07 10:19:03 C 02 49 59.69 +24 34 04.9 o 291
2012-11-17 05:13:42 C 02 38 06.21 +23 37 28.6 u H21
2012-11-17 05:34:54 C 02 38 05.18 +23 37 23.3 u H21
2012-11-17 05:55:49 C 02 38 04.24 +23 37 17.8 u H21