2021 BH1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2908512119 ± 2.85e-04
Semi-major axis (a)	1.4712021147 AU ± 6.71e-04
Inclination (i)	14.93620728° ± 1.11e-02
Long. of Asc. Node (Ω)	130.84972193° ± 1.83e-03
Arg. of Perihelion (ω)	329.11776521° ± 3.98e-03
Mean Anomaly (M)	267.39916964° ± 6.77e-01
Mean Motion (n)	0.5523365277°/day ± 3.78e-04
Perihelion dist (q)	1.04330120 AU ± 6.34e-04
Aphelion dist (Q)	1.89910303 AU ± 9.62e-04
Orbital Period	1.78446696 yr ± 1.22e-03

Physical Parameters

H (abs. magnitude)	24.40
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.178″
Uncertainty	3
Orbit Type	Amor
MOID	0.085437 AU
Observations Used	15
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-01-16
Last Observation Used	2021-02-05

Observations (15)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-01-16 11:57:13	C	09 39 48.798	-20 27 43.57	–	U	F51
2021-01-16 12:34:53	C	09 39 55.182	-20 24 15.45	–	U	F51
2021-01-16 12:53:37	C	09 39 58.335	-20 22 31.90	–	U	F51
2021-01-17 10:26:38	C	09 44 10.863	-18 20 57.07	–	V	568
2021-01-17 10:29:28	C	09 44 11.340	-18 20 40.92	–	V	568
2021-01-17 10:30:52	C	09 44 11.566	-18 20 32.84	–	V	568
2021-01-18 07:07:37	C	09 48 07.82	-16 20 24.2	–	o	691
2021-01-18 07:25:37	C	09 48 10.91	-16 18 38.6	–	o	691
2021-01-18 07:43:44	C	09 48 13.97	-16 16 51.6	–	o	691
2021-01-18 09:38:00	C	09 48 33.12	-16 05 34.7	–	V	I52
2021-01-18 09:41:38	C	09 48 33.74	-16 05 13.6	–	V	I52
2021-01-18 09:45:16	C	09 48 34.36	-16 04 51.8	–	V	I52
2021-01-18 09:51:57	C	09 48 35.47	-16 04 12.1	–	V	I52
2021-02-05 03:42:08	C	10 54 47.44	+26 18 29.3	–	V	033
2021-02-05 03:45:32	C	10 54 47.76	+26 18 44.0	–	V	033