2012 HR2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5504898506 ± 1.11e-05
Semi-major axis (a)2.3968063858 AU ± 4.84e-05
Inclination (i)3.74580651° ± 5.24e-05
Long. of Asc. Node (Ω)198.54856995° ± 9.84e-05
Arg. of Perihelion (ω)29.32784097° ± 8.67e-05
Mean Anomaly (M)237.01579476° ± 4.23e-02
Mean Motion (n)0.2656212686°/day ± 8.04e-06
Perihelion dist (q)1.07738880 AU ± 3.43e-05
Aphelion dist (Q)3.71622397 AU ± 7.95e-05
Orbital Period3.71064519 yr ± 1.12e-04
Physical Parameters
H (abs. magnitude)23.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.311″
Uncertainty2
Orbit TypeAmor
MOID0.075018 AU
Observations Used65
Oppositions1
Arc Total2012-2012
First Observation Used2012-03-21
Last Observation Used2012-07-26
Observations (66)
Date Type RA Dec Mag Band Observatory
2012-05-28 09:27:03 C 20 00 26.27 +01 01 12.6 o 291
2012-05-28 09:31:59 C 20 00 26.56 +01 01 12.8 o 291
2012-06-12 09:41:41 C 20 14 10.61 +00 13 28.8 o 291
2012-06-12 10:09:47 C 20 14 10.59 +00 13 20.8 o 291
2012-06-21 06:46:09 C 20 13 36.98 -01 01 05.1 o 291
2012-06-21 06:53:47 C 20 13 36.83 -01 01 08.4 o 291
2012-06-21 07:09:21 C 20 13 35.76 -01 01 18.2 u H21
2012-06-21 07:26:21 C 20 13 35.39 -01 01 25.5 u H21
2012-06-22 07:16:40 C 20 13 16.02 -01 11 31.5 o 291
2012-06-22 07:25:33 C 20 13 15.84 -01 11 35.0 o 291
2012-06-22 07:34:26 C 20 13 15.64 -01 11 39.3 o 291
2012-07-23 04:42:19 C 19 54 24.45 -07 50 55.1 u H21
2012-07-23 06:12:16 C 19 54 22.07 -07 51 43.4 u H21
2012-07-26 05:07:35 C 19 52 58.83 -08 29 38.9 u H21
2012-07-26 05:59:41 C 19 52 57.62 -08 30 06.0 u H21
2012-07-26 06:41:37 C 19 52 56.70 -08 30 28.3 u H21