2019 HN4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2210256541 ± 1.62e+00
Semi-major axis (a)0.8573417073 AU ± 7.07e-01
Inclination (i)7.27088539° ± 6.93e+01
Long. of Asc. Node (Ω)216.99544761° ± 1.07e+02
Arg. of Perihelion (ω)208.97667327° ± 1.03e+02
Mean Anomaly (M)233.59018803° ± 4.13e+03
Mean Motion (n)1.2415457700°/day ± 1.54e+00
Perihelion dist (q)0.66787640 AU ± 1.49e+00
Aphelion dist (Q)1.04683440 AU ± 1.63e+00
Orbital Period0.79385530 yr ± 9.82e-01
Physical Parameters
H (abs. magnitude)28.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.193″
Uncertainty2
Orbit TypeAten
MOID0.002864 AU
Observations Used52
Oppositions1
Arc Total2019-2019
First Observation Used
Last Observation Used2019-05-03
Observations (63)
Date Type RA Dec Mag Band Observatory
2019-05-01 21:26:39 C 12 43 15.77 +23 39 35.2 V L01
2019-05-01 21:31:44 C 12 43 14.98 +23 40 06.2 V L01
2019-05-01 21:35:20 C 12 43 15.84 +23 40 41.6 21.1 V 104
2019-05-01 21:36:48 C 12 43 14.20 +23 40 37.0 V L01
2019-05-02 01:19:15 C 12 42 51.57 +24 01 48.6 V J95
2019-05-02 01:53:22 C 12 42 48.23 +24 04 55.6 V J95
2019-05-02 01:59:11 C 12 43 22.04 +24 07 48.0 u H21
2019-05-02 02:13:49 C 12 43 19.83 +24 09 18.4 u H21
2019-05-02 02:28:10 C 12 43 17.59 +24 10 46.9 u H21
2019-05-03 06:17:20 C 12 42 12.97 +26 24 10.7 V V06
2019-05-03 06:22:28 C 12 42 12.29 +26 24 29.9 V V06
2019-05-03 06:27:38 C 12 42 11.57 +26 24 48.5 V V06
2019-05-03 06:32:46 C 12 42 10.92 +26 25 06.9 V V06