2021 BU1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5797833000
Semi-major axis (a)2.3359208000 AU ± 3.00e+00
Inclination (i)5.96528000° ± 4.00e+00
Long. of Asc. Node (Ω)118.52438000° ± 5.00e+00
Arg. of Perihelion (ω)31.97894000° ± 6.00e+00
Mean Anomaly (M)121.37653000°
Mean Motion (n)0.2760685300°/day
Perihelion dist (q)0.98159290 AU
Aphelion dist (Q)3.69024870 AU
Orbital Period3.57015580 yr
Physical Parameters
H (abs. magnitude)26.28
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.800″
Uncertainty7
Orbit TypeApollo
MOID0.028286 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-23
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-01-15 11:25:14 C 07 43 19.594 +15 11 22.30 V F52
2021-01-15 11:42:06 C 07 43 27.126 +15 12 05.35 V F52
2021-01-15 11:58:48 C 07 43 34.653 +15 12 48.25 V F52
2021-01-18 06:31:17 C 08 25 32.12 +18 37 49.0 V G96
2021-01-18 06:38:38 C 08 25 37.67 +18 38 15.5 V G96
2021-01-18 06:45:58 C 08 25 43.27 +18 38 42.6 V G96
2021-01-18 06:53:20 C 08 25 48.80 +18 39 08.8 V G96
2021-01-18 07:02:47 C 08 25 55.87 +18 39 43.2 V 703
2021-01-18 07:10:17 C 08 26 01.65 +18 40 09.7 V 703
2021-01-18 09:28:20 C 08 27 47.12 +18 48 20.3 V I52
2021-01-18 09:29:45 C 08 27 48.19 +18 48 24.8 V I52
2021-01-18 09:32:37 C 08 27 50.42 +18 48 35.2 V I52
2021-01-18 09:34:02 C 08 27 51.54 +18 48 40.1 V I52
2021-01-18 23:06:55 C 08 39 37.27 +19 37 39.2 V L01
2021-01-18 23:08:25 C 08 39 38.56 +19 37 45.2 V L01
2021-01-18 23:09:54 C 08 39 39.89 +19 37 50.4 V L01
2021-01-18 23:11:24 C 08 39 41.17 +19 37 56.3 V L01
2021-01-18 23:13:28 C 08 39 42.97 +19 38 04.3 V L01
2021-01-19 02:34:22 C 08 42 54.96 +19 50 44.0 V W34
2021-01-19 02:49:56 C 08 43 09.06 +19 51 45.4 V W34
2021-01-19 03:07:18 C 08 43 24.80 +19 52 54.1 V W34
2021-01-19 06:02:32 C 08 46 00.67 +20 07 28.6 u 807
2021-01-19 06:08:53 C 08 46 06.39 +20 07 52.4 u 807
2021-01-19 06:15:13 C 08 46 12.12 +20 08 16.0 u 807
2021-01-22 12:51:02 C 10 25 50.29 +24 35 17.3 V I52
2021-01-22 12:55:58 C 10 25 57.83 +24 35 27.1 V I52
2021-01-23 06:49:10 C 10 55 25.22 +25 06 47.7 u H21
2021-01-23 06:54:54 C 10 55 34.50 +25 06 55.5 u H21
2021-01-23 07:00:21 C 10 55 43.38 +25 07 02.5 u H21