2023 HW39

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5356768435 ± 2.51e-04
Semi-major axis (a)2.1718367468 AU ± 1.17e-03
Inclination (i)0.57614386° ± 3.44e-04
Long. of Asc. Node (Ω)26.20232402° ± 4.77e-04
Arg. of Perihelion (ω)183.91677314° ± 1.08e-03
Mean Anomaly (M)291.58839726° ± 2.34e-01
Mean Motion (n)0.3079438327°/day ± 2.48e-04
Perihelion dist (q)1.00843409 AU ± 7.68e-04
Aphelion dist (Q)3.33523940 AU ± 1.87e-03
Orbital Period3.20066901 yr ± 2.58e-03
Physical Parameters
H (abs. magnitude)31.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.390″
Uncertainty3
Orbit TypeApollo
MOID0.003215 AU
Observations Used8
Oppositions1
Arc Total2023-2023
First Observation Used2023-04-17
Last Observation Used2023-04-17
Observations (8)
Date Type RA Dec Mag Band Observatory
2023-04-17 14:20:42 C 13 05 39.511 -11 59 16.76 V P07
2023-04-17 14:22:15 C 13 06 11.902 -12 03 37.01 V P07
2023-04-17 16:30:23 C 13 53 52.219 -17 58 02.96 V P07
2023-04-17 17:01:26 C 14 06 08.930 -19 18 38.45 V P07
2023-04-17 17:23:04 C 14 14 48.250 -20 12 31.97 V P07
2023-04-17 17:27:51 C 14 16 43.505 -20 24 09.97 V P07
2023-04-17 18:52:12 C 14 50 45.960 -23 29 23.46 V P07
2023-04-17 18:54:32 C 14 51 42.082 -23 33 55.15 V P07