2021 HO1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5617899030 ± 5.21e-05
Semi-major axis (a)2.3257902425 AU ± 2.65e-04
Inclination (i)4.12175479° ± 3.14e-04
Long. of Asc. Node (Ω)154.56392112° ± 2.29e-04
Arg. of Perihelion (ω)80.31181956° ± 3.73e-04
Mean Anomaly (M)97.94161476° ± 7.87e-02
Mean Motion (n)0.2778794687°/day ± 4.74e-05
Perihelion dist (q)1.01918477 AU ± 1.68e-04
Aphelion dist (Q)3.63239572 AU ± 4.31e-04
Orbital Period3.54695612 yr ± 6.05e-04
Physical Parameters
H (abs. magnitude)24.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.202″
Uncertainty2
Orbit TypeAmor
MOID0.070519 AU
Observations Used34
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-16
Last Observation Used2021-06-17
Observations (35)
Date Type RA Dec Mag Band Observatory
2021-04-16 06:42:23 C 11 06 51.804 +30 43 38.77 U F51
2021-04-16 06:58:30 C 11 06 52.507 +30 44 13.17 U F51
2021-04-16 07:14:38 C 11 06 53.222 +30 44 47.82 U F51
2021-04-17 05:44:41 C 11 08 24.468 +31 33 10.15 V 568
2021-04-17 05:46:06 C 11 08 24.541 +31 33 13.42 V 568
2021-04-17 05:47:31 C 11 08 24.621 +31 33 16.53 V 568
2021-04-17 05:48:57 C 11 08 24.695 +31 33 19.74 V 568
2021-04-19 05:54:24 C 11 12 10.720 +33 21 27.58 V 568
2021-04-19 05:56:08 C 11 12 10.837 +33 21 31.75 V 568
2021-04-19 05:57:53 C 11 12 10.955 +33 21 35.91 V 568
2021-04-19 05:59:38 C 11 12 11.074 +33 21 40.08 V 568
2021-04-19 06:01:23 C 11 12 11.193 +33 21 44.24 V 568
2021-04-19 06:03:07 C 11 12 11.312 +33 21 48.40 V 568
2021-05-01 06:23:19 C 12 02 02.60 +46 57 50.2 V I52
2021-05-01 06:42:04 C 12 02 07.82 +46 58 52.0 V I52
2021-05-01 07:00:40 C 12 02 13.02 +46 59 52.9 V I52
2021-05-06 02:10:30 C 12 49 21.53 +53 39 30.9 u H21
2021-05-06 02:22:18 C 12 49 27.39 +53 40 12.9 u H21
2021-05-06 02:34:53 C 12 49 33.68 +53 40 57.1 u H21
2021-05-06 02:42:45 C 12 49 37.57 +53 41 25.1 u H21
2021-05-10 09:32:06 C 14 00 03.85 +58 55 50.2 V V06
2021-05-10 09:36:34 C 14 00 07.60 +58 55 59.5 V V06
2021-05-10 09:41:14 C 14 00 11.37 +58 56 10.0 V V06
2021-05-10 09:45:54 C 14 00 15.20 +58 56 19.3 V V06
2021-05-23 09:02:03 C 18 42 40.49 +49 22 33.9 V V06
2021-05-23 09:16:15 C 18 42 47.78 +49 21 23.9 V V06
2021-05-23 09:23:21 C 18 42 51.43 +49 20 48.8 V V06
2021-05-24 09:06:56 C 18 55 20.99 +47 21 11.2 V I52
2021-05-24 09:16:38 C 18 55 25.43 +47 20 22.4 V I52
2021-05-24 09:26:19 C 18 55 29.87 +47 19 34.6 V I52
2021-06-12 08:44:23 C 20 32 26.82 +17 16 21.0 V V06
2021-06-12 08:49:30 C 20 32 27.13 +17 16 07.2 V V06
2021-06-12 08:54:37 C 20 32 27.38 +17 15 53.7 V V06
2021-06-17 06:36:59 C 20 39 09.20 +12 25 55.2 u H21
2021-06-17 06:55:06 C 20 39 09.81 +12 25 13.8 u H21