2021 HF1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2021992000
Semi-major axis (a)1.3018722000 AU
Inclination (i)1.39120000°
Long. of Asc. Node (Ω)47.06448000°
Arg. of Perihelion (ω)183.16755000°
Mean Anomaly (M)18.13419000°
Mean Motion (n)0.6635162400°/day
Perihelion dist (q)1.03863470 AU
Aphelion dist (Q)1.56510970 AU
Orbital Period1.48543120 yr
Physical Parameters
H (abs. magnitude)27.85
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.970″
Uncertainty7
Orbit TypeAmor
MOID0.027687 AU
Observations Used22
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-05
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-04-16 10:10:31 C 13 42 18.202 +00 35 56.51 U F51
2021-04-16 10:31:39 C 13 42 20.878 +00 35 25.73 U F51
2021-04-16 11:13:58 C 13 42 26.217 +00 34 24.69 U F51
2021-04-17 08:46:19 C 13 46 23.959 +00 02 05.12 V 568
2021-04-17 08:47:44 C 13 46 24.161 +00 02 02.86 V 568
2021-04-17 08:49:08 C 13 46 24.350 +00 02 00.69 V 568
2021-04-17 08:50:35 C 13 46 24.554 +00 01 58.47 V 568
2021-04-18 12:04:58 C 13 51 26.697 -00 42 20.22 V F51
2021-04-18 12:54:46 C 13 51 34.376 -00 43 44.76 V F51
2021-04-19 06:27:29 C 13 55 17.15 -01 14 59.2 V V06
2021-04-19 06:32:39 C 13 55 17.96 -01 15 08.5 V V06
2021-04-19 06:37:48 C 13 55 18.83 -01 15 16.9 V V06
2021-04-19 07:27:54 C 13 55 27.11 -01 16 46.7 o 691
2021-04-19 07:49:54 C 13 55 30.63 -01 17 26.0 o 691
2021-04-22 08:38:51 C 14 12 08.64 -03 43 58.0 V V06
2021-04-22 08:41:25 C 14 12 09.16 -03 44 03.7 V V06
2021-04-22 08:43:59 C 14 12 09.67 -03 44 09.6 V V06
2021-04-22 08:46:32 C 14 12 10.16 -03 44 14.7 V V06
2021-05-05 12:29:12 C 16 07 19.74 -19 31 28.5 V 474
2021-05-05 12:33:08 C 16 07 21.40 -19 31 42.7 V 474
2021-05-05 12:37:03 C 16 07 22.95 -19 31 55.8 V 474
2021-05-05 12:40:59 C 16 07 24.57 -19 32 09.1 V 474