IAA RAS IAA Minor Planet Database

2020 HN9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5883217000
Semi-major axis (a)2.3017086000 AU
Inclination (i)6.15423000°
Long. of Asc. Node (Ω)57.46146000°
Arg. of Perihelion (ω)203.78153000°
Mean Anomaly (M)206.12629000°
Mean Motion (n)0.2822464900°/day
Perihelion dist (q)0.94756350 AU
Aphelion dist (Q)3.65585370 AU
Orbital Period3.49201030 yr
Physical Parameters
H (abs. magnitude)25.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.470″
Uncertainty8
Orbit TypeApollo
MOID0.016602 AU
Observations Used18
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2020-04-30
Observations (18)
Date Type RA Dec Mag Band Observatory
2020-04-21 12:46:42 C 14 56 38.491 +20 19 50.21 – U F51
2020-04-21 13:01:13 C 14 56 43.326 +20 20 11.01 – U F51
2020-04-21 13:15:46 C 14 56 48.242 +20 20 32.01 – U F51
2020-04-28 09:37:28 C 16 51 10.37 +24 50 51.0 – V G96
2020-04-28 09:44:54 C 16 51 19.29 +24 50 58.8 – V G96
2020-04-28 09:52:23 C 16 51 28.23 +24 51 06.3 – V G96
2020-04-28 09:59:51 C 16 51 37.03 +24 51 13.2 – V G96
2020-04-28 10:48:43 C 16 52 35.08 +24 51 57.1 – V I52
2020-04-28 10:50:07 C 16 52 36.73 +24 51 56.8 – V I52
2020-04-28 10:51:31 C 16 52 38.42 +24 51 58.6 – V I52
2020-04-28 10:52:56 C 16 52 40.13 +24 52 00.5 – V I52
2020-04-30 02:24:28 C 17 49 10.67 +24 51 43.3 – V L01
2020-04-30 02:26:31 C 17 49 13.89 +24 51 41.2 – V L01
2020-04-30 02:28:01 C 17 49 16.22 +24 51 39.0 – V L01
2020-04-30 02:29:49 C 17 49 19.06 +24 51 37.2 – V L01
2020-04-30 02:31:37 C 17 49 21.88 +24 51 35.0 – V L01
2020-04-30 02:33:25 C 17 49 24.73 +24 51 32.5 – V L01
2020-04-30 02:35:13 C 17 49 27.56 +24 51 30.7 – V L01