2021 BK3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6500948012
Semi-major axis (a)2.6427104978 AU
Inclination (i)0.52131724°
Long. of Asc. Node (Ω)335.25468066° ± 5.00e+00
Arg. of Perihelion (ω)118.88586500° ± 6.00e+00
Mean Anomaly (M)48.65830733°
Mean Motion (n)0.2293998800°/day
Perihelion dist (q)0.92469580 AU
Aphelion dist (Q)4.36102140 AU
Orbital Period4.29646120 yr
Physical Parameters
H (abs. magnitude)24.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.356″
Uncertainty
Orbit TypeApollo
MOID0.004333 AU
Observations Used146
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-21
Observations (160)
Date Type RA Dec Mag Band Observatory
2021-02-01 07:29:21 C 07 49 00.25 +29 02 51.9 17.6 r 718
2021-02-01 07:30:10 C 07 49 01.75 +29 02 45.2 17.5 r 718
2021-02-01 07:30:58 C 07 49 03.29 +29 02 37.5 18.0 r 718
2021-02-02 01:26:53 C 08 20 00.66 +26 28 17.8 V 204
2021-02-02 01:29:25 C 08 20 04.31 +26 27 56.4 V 204
2021-02-02 01:31:57 C 08 20 08.00 +26 27 34.9 V 204
2021-02-02 01:34:29 C 08 20 11.68 +26 27 13.4 V 204
2021-02-02 01:37:02 C 08 20 15.37 +26 26 51.7 V 204
2021-02-03 22:45:41 C 09 09 55.92 +21 11 56.9 V J95
2021-02-03 22:52:52 C 09 10 01.27 +21 11 16.8 V J95
2021-02-03 22:58:17 C 09 10 05.15 +21 10 46.1 V Z80
2021-02-03 23:00:21 C 09 10 06.84 +21 10 34.8 V J95
2021-02-03 23:04:57 C 09 10 10.13 +21 10 09.5 V Z80
2021-02-03 23:12:17 C 09 10 15.55 +21 09 27.8 V Z80
2021-02-03 23:19:04 C 09 10 20.76 +21 08 49.6 V J95
2021-02-04 05:33:09 C 09 14 57.52 +20 39 00.2 u 807
2021-02-04 05:37:11 C 09 15 00.21 +20 38 38.5 u 807
2021-02-04 05:41:13 C 09 15 02.88 +20 38 16.7 u 807
2021-02-04 05:45:09 C 09 15 05.50 +20 37 55.3 u 807
2021-02-04 07:54:52 C 09 16 39.48 +20 23 05.2 V I52
2021-02-04 07:55:59 C 09 16 40.20 +20 22 59.4 V I52
2021-02-04 07:57:06 C 09 16 40.93 +20 22 53.6 V I52
2021-02-04 07:58:13 C 09 16 41.64 +20 22 47.8 V I52
2021-02-05 06:06:46 C 09 30 23.90 +18 37 49.0 V 703
2021-02-05 06:22:33 C 09 30 31.68 +18 36 43.7 V 703
2021-02-05 06:30:27 C 09 30 35.63 +18 36 09.2 V 703
2021-02-05 06:53:55 C 09 30 47.09 +18 34 31.7 V G96
2021-02-05 07:02:00 C 09 30 51.03 +18 33 57.7 V G96
2021-02-05 07:10:04 C 09 30 54.95 +18 33 23.9 V G96
2021-02-05 07:18:08 C 09 30 58.87 +18 32 50.0 V G96
2021-02-06 06:51:52 C 09 41 55.71 +17 05 34.3 u 807
2021-02-06 06:54:50 C 09 41 56.81 +17 05 23.8 u 807
2021-02-06 06:57:55 C 09 41 57.96 +17 05 13.3 u 807
2021-02-06 09:08:05 C 09 42 52.35 +16 55 11.0 V I52
2021-02-06 09:08:31 C 09 42 52.52 +16 55 09.6 V I52
2021-02-06 09:08:58 C 09 42 52.65 +16 55 08.0 V I52
2021-02-06 11:12:13 C 09 43 44.22 +16 48 50.2 V T05
2021-02-06 11:16:50 C 09 43 45.74 +16 48 34.4 V T05
2021-02-06 11:30:06 C 09 43 50.40 +16 47 50.2 V T05
2021-02-06 11:47:27 C 09 43 56.53 +16 46 51.2 V T05
2021-02-07 04:47:12 C 09 50 13.79 +15 53 57.0 V I52
2021-02-07 04:47:38 C 09 50 13.91 +15 53 55.7 V I52
2021-02-07 04:48:05 C 09 50 14.06 +15 53 54.5 V I52
2021-02-07 08:53:20 C 09 51 32.810 +15 42 58.51 U F51
2021-02-07 09:10:04 C 09 51 37.579 +15 42 13.55 U F51
2021-02-07 09:26:49 C 09 51 42.309 +15 41 28.50 U F51
2021-02-09 06:00:00 C 10 03 27.43 +13 57 01.4 V I52
2021-02-09 06:00:21 C 10 03 27.51 +13 57 00.7 V I52
2021-02-09 06:41:55 C 10 03 35.42 +13 55 41.2 V I52
2021-02-11 13:51:12 C 10 13 15.292 +12 25 50.67 U F52