2021 HT1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5064368000
Semi-major axis (a)1.8612159000 AU
Inclination (i)4.25838000°
Long. of Asc. Node (Ω)201.27062000°
Arg. of Perihelion (ω)68.48814000°
Mean Anomaly (M)271.14842000°
Mean Motion (n)0.3881583600°/day
Perihelion dist (q)0.91862770 AU
Aphelion dist (Q)2.80380410 AU
Orbital Period2.53918960 yr
Physical Parameters
H (abs. magnitude)26.22
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.940″
Uncertainty8
Orbit TypeApollo
MOID0.031447 AU
Observations Used27
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-05-02
Observations (31)
Date Type RA Dec Mag Band Observatory
2021-04-18 10:19:45 C 13 52 54.267 -06 07 43.01 – U F51
2021-04-18 10:41:28 C 13 52 56.886 -06 07 02.73 – U F51
2021-04-18 11:03:41 C 13 52 59.560 -06 06 21.29 – U F51
2021-04-19 04:19:32 C 13 55 34.73 -05 31 40.0 – V 807
2021-04-19 04:29:38 C 13 55 36.08 -05 31 19.6 – V 807
2021-04-19 04:39:28 C 13 55 37.42 -05 30 59.0 – V 807
2021-04-19 10:40:28 C 13 56 33.821 -05 19 47.01 – V 568
2021-04-19 10:41:52 C 13 56 34.015 -05 19 44.04 – V 568
2021-04-19 10:43:17 C 13 56 34.207 -05 19 41.08 – V 568
2021-04-19 10:44:41 C 13 56 34.403 -05 19 38.08 – V 568
2021-04-19 11:01:38 C 13 56 33.70 -05 19 13.6 – o 291
2021-04-19 11:17:26 C 13 56 36.05 -05 18 41.1 – o 291
2021-04-22 07:25:08 C 14 09 55.79 -02 25 55.9 – V V06
2021-04-22 07:30:15 C 14 09 56.85 -02 25 40.5 – V V06
2021-04-22 07:35:22 C 14 09 57.91 -02 25 24.7 – V V06
2021-04-22 07:40:29 C 14 09 59.01 -02 25 09.0 – V V06
2021-04-24 00:51:07 C 14 21 00.96 -00 02 14.1 – V 033
2021-04-24 00:53:52 C 14 21 01.76 -00 02 03.6 – V 033
2021-04-24 00:56:36 C 14 21 02.55 -00 01 52.2 – V 033
2021-04-29 20:41:02 C 15 37 40.97 +15 31 17.0 – V 033
2021-04-29 20:42:06 C 15 37 41.94 +15 31 28.3 – V 033
2021-04-29 20:43:10 C 15 37 42.91 +15 31 39.6 – V 033
2021-04-29 20:44:15 C 15 37 43.90 +15 31 51.4 – V 033
2021-04-29 20:45:19 C 15 37 44.90 +15 32 02.0 – V 033
2021-04-30 06:58:02 C 15 47 47.06 +17 23 00.9 – V I52
2021-04-30 07:27:16 C 15 48 15.93 +17 28 27.0 – V I52
2021-04-30 07:29:23 C 15 48 18.06 +17 28 51.8 – V I52
2021-05-02 22:49:09 C 17 17 07.20 +30 22 55.1 – V 033
2021-05-02 22:49:54 C 17 17 08.52 +30 23 04.2 – V 033
2021-05-02 22:50:38 C 17 17 09.86 +30 23 13.7 – V 033
2021-05-02 22:51:23 C 17 17 11.20 +30 23 23.2 – V 033