2004 HA39

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5392826604 ± 9.09e-08
Semi-major axis (a)2.1481635318 AU ± 3.03e-08
Inclination (i)36.14499464° ± 5.31e-05
Long. of Asc. Node (Ω)203.86814748° ± 2.09e-05
Arg. of Perihelion (ω)67.50340599° ± 5.35e-05
Mean Anomaly (M)288.77819558° ± 6.14e-05
Mean Motion (n)0.3130482403°/day ± 6.63e-09
Perihelion dist (q)0.98969619 AU ± 1.96e-07
Aphelion dist (Q)3.30663088 AU ± 2.01e-07
Orbital Period3.14848051 yr ± 6.66e-08
Physical Parameters
H (abs. magnitude)20.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.555″
Uncertainty0
Orbit TypeApollo
MOID0.207994 AU
Observations Used63
Oppositions13
Arc Total2004-2023
First Observation Used2004-04-25
Last Observation Used2023-10-23
Observations (63)
Date Type RA Dec Mag Band Observatory
2004-05-26 22:54:14 C 13 52 32.38 +74 30 21.9 o J50
2004-05-26 23:29:23 C 13 52 36.49 +74 31 24.8 o J50
2004-05-26 23:52:03 C 13 52 39.15 +74 32 05.4 o J50
2004-09-16 23:16:03 C 23 20 07.13 +46 52 41.5 c J50
2004-09-16 23:17:13 C 23 20 07.10 +46 52 38.4 c J50
2004-09-16 23:27:13 C 23 20 06.88 +46 52 11.8 c J50
2004-09-16 23:28:36 C 23 20 06.83 +46 52 08.3 c J50
2023-10-22 04:51:46 C 01 30 36.968 +06 36 23.72 V V06
2023-10-22 05:09:37 C 01 30 35.960 +06 36 01.26 V V06
2023-10-22 05:27:27 C 01 30 35.006 +06 35 38.80 V V06
2023-10-23 03:58:07 C 01 29 24.440 +06 07 12.90 V V06
2023-10-23 04:18:42 C 01 29 23.350 +06 06 47.40 V V06
2023-10-23 04:39:17 C 01 29 22.240 +06 06 21.80 V V06