2021 HT2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7302820938 ± 3.83e+00
Semi-major axis (a)2.1306169906 AU ± 9.26e+00
Inclination (i)7.38415757° ± 1.43e+02
Long. of Asc. Node (Ω)225.87290556° ± 1.41e+02
Arg. of Perihelion (ω)242.78131582° ± 6.70e+02
Mean Anomaly (M)189.16253133° ± 3.77e+03
Mean Motion (n)0.3165618900°/day ± 2.06e+00
Perihelion dist (q)0.57460540 AU ± 8.53e+00
Aphelion dist (Q)3.68981780 AU ± 1.80e+01
Orbital Period3.11347550 yr ± 2.03e+01
Physical Parameters
H (abs. magnitude)23.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.288″
Uncertainty5
Orbit TypeApollo
MOID0.057258 AU
Observations Used29
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-04-22
Observations (30)
Date Type RA Dec Mag Band Observatory
2021-04-20 05:52:09 C 12 08 51.49 -22 19 26.6 V G96
2021-04-20 05:59:34 C 12 08 53.57 -22 18 52.2 V G96
2021-04-20 06:06:59 C 12 08 55.71 -22 18 18.1 V G96
2021-04-20 06:14:24 C 12 08 57.84 -22 17 43.5 V G96
2021-04-20 06:44:59 C 12 09 06.46 -22 15 23.1 V H01
2021-04-20 06:55:10 C 12 09 09.39 -22 14 36.4 V H01
2021-04-20 07:06:25 C 12 09 12.64 -22 13 44.5 V H01
2021-04-20 07:23:03 C 12 09 17.43 -22 12 28.1 V H01
2021-04-20 08:03:22 C 12 09 29.24 -22 09 22.1 V I52
2021-04-20 08:05:30 C 12 09 29.85 -22 09 12.2 V I52
2021-04-20 08:07:38 C 12 09 30.42 -22 09 02.5 V I52
2021-04-20 21:18:05 C 12 13 19.11 -21 11 55.5 V L01
2021-04-20 21:25:34 C 12 13 21.05 -21 11 24.6 V L01
2021-04-20 21:29:21 C 12 13 22.06 -21 11 08.7 V L01
2021-04-20 21:33:26 C 12 13 23.12 -21 10 51.7 V L01
2021-04-21 04:52:57 C 12 15 20.14 -20 40 59.7 V I52
2021-04-21 04:55:05 C 12 15 20.70 -20 40 51.5 V I52
2021-04-21 04:57:13 C 12 15 21.20 -20 40 42.8 V I52
2021-04-21 04:59:21 C 12 15 21.73 -20 40 34.7 V I52
2021-04-21 05:17:08 C 12 15 25.80 -20 39 25.2 V H01
2021-04-21 05:23:08 C 12 15 27.24 -20 39 01.6 V H01
2021-04-21 05:37:10 C 12 15 30.63 -20 38 05.7 V H01
2021-04-21 05:46:21 C 12 15 32.83 -20 37 29.9 V H01
2021-04-21 22:02:47 C 12 19 29.03 -19 36 38.1 V J95
2021-04-21 22:51:24 C 12 19 39.57 -19 33 44.7 V J95
2021-04-21 23:41:18 C 12 19 50.37 -19 30 48.4 V J95
2021-04-22 04:07:44 C 12 20 51.77 -19 15 11.5 V I52
2021-04-22 04:12:01 C 12 20 52.63 -19 14 57.0 V I52
2021-04-22 04:16:17 C 12 20 53.48 -19 14 42.6 V I52
2021-04-22 04:20:33 C 12 20 54.35 -19 14 27.8 V I52