2004 HG12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3429338467
Semi-major axis (a)1.4370175160 AU
Inclination (i)26.36805886° ± 4.00e+00
Long. of Asc. Node (Ω)208.14251800°
Arg. of Perihelion (ω)48.67423450° ± 6.00e+00
Mean Anomaly (M)165.77251279°
Mean Motion (n)0.5722386100°/day
Perihelion dist (q)0.94409200 AU
Aphelion dist (Q)1.92965100 AU
Orbital Period1.72237180 yr
Physical Parameters
H (abs. magnitude)22.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.376″
Uncertainty
Orbit TypeApollo
MOID0.026269 AU
Observations Used35
Oppositions1
Arc Total2004-2004
First Observation Used
Last Observation Used2004-05-04
Observations (55)
Date Type RA Dec Mag Band Observatory
2004-04-27 05:48:29 C 09 36 38.05 +45 14 01.7 c 673
2004-04-27 05:59:09 C 09 36 37.87 +45 16 20.3 c 673
2004-05-04 19:57:08 C 09 40 00.38 +73 26 40.8 c 540
2004-05-04 20:13:00 C 09 39 59.81 +73 28 14.0 c 540
2004-05-04 20:28:52 C 09 39 59.87 +73 29 47.9 c 540