2012 HH20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2932642000
Semi-major axis (a)1.0345327000 AU
Inclination (i)14.51515000°
Long. of Asc. Node (Ω)28.54938000°
Arg. of Perihelion (ω)64.47011000°
Mean Anomaly (M)53.10240000°
Mean Motion (n)0.9366724400°/day
Perihelion dist (q)0.73114130 AU
Aphelion dist (Q)1.33792410 AU
Orbital Period1.05224370 yr
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.450″
Uncertainty8
Orbit TypeApollo
MOID0.049644 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-04-30
Observations (13)
Date Type RA Dec Mag Band Observatory
2012-04-24 08:30:20 C 13 12 35.603 -21 38 01.63 L F51
2012-04-24 09:12:48 C 13 12 23.641 -21 39 40.23 L F51
2012-04-24 09:34:08 C 13 12 17.625 -21 40 29.11 L F51
2012-04-25 06:10:29 C 13 07 11.68 -22 25 34.5 o 291
2012-04-25 06:13:11 C 13 07 11.13 -22 25 38.4 o 291
2012-04-25 06:15:52 C 13 07 10.39 -22 25 44.0 o 291
2012-04-26 09:12:15 C 13 01 08.99 -23 16 35.9 t E10
2012-04-26 09:16:02 C 13 01 08.13 -23 16 42.8 t E10
2012-04-26 09:19:48 C 13 01 07.29 -23 16 50.3 t E10
2012-04-26 09:23:35 C 13 01 06.43 -23 16 57.2 t E10
2012-04-30 04:57:42 C 12 44 37.59 -25 32 53.0 o 291
2012-04-30 05:03:21 C 12 44 36.63 -25 32 59.9 o 291
2012-04-30 05:09:00 C 12 44 35.70 -25 33 06.6 o 291