IAA RAS IAA Minor Planet Database

2021 BZ

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3043588022 ± 6.64e-07
Semi-major axis (a)0.9946006969 AU ± 1.11e-08
Inclination (i)19.28685321° ± 3.08e-05
Long. of Asc. Node (Ω)126.53303377° ± 1.22e-06
Arg. of Perihelion (ω)109.54501455° ± 3.48e-05
Mean Anomaly (M)233.00386604° ± 2.85e-05
Mean Motion (n)0.9936630426°/day ± 1.67e-08
Perihelion dist (q)0.69188522 AU ± 6.60e-07
Aphelion dist (Q)1.29731617 AU ± 6.60e-07
Orbital Period0.99191199 yr ± 1.67e-08
Physical Parameters
H (abs. magnitude)24.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.340″
Uncertainty0
Orbit TypeAten
MOID0.014146 AU
Observations Used58
Radar Obs Used1
Oppositions1
Arc Total2020-2022
First Observation Used2020-01-29
Last Observation Used2022-01-26
Observations (58)
Date Type RA Dec Mag Band Observatory
2020-01-29 05:37:31 C 04 27 39.79 +22 29 06.1 – V 703
2020-01-29 05:45:39 C 04 27 25.94 +22 31 29.2 – V 703
2021-01-16 11:47:54 C 09 08 49.917 -19 03 41.12 – U F51
2021-01-16 12:06:48 C 09 08 50.235 -19 03 12.12 – U F51
2021-01-16 12:25:33 C 09 08 50.553 -19 02 42.90 – U F51
2021-01-17 04:48:12 C 09 09 38.45 -18 34 08.0 – u 807
2021-01-17 04:55:43 C 09 09 38.61 -18 33 54.8 – u 807
2021-01-17 05:03:01 C 09 09 38.74 -18 33 42.0 – u 807
2021-01-17 07:04:20 C 09 09 45.53 -18 31 38.2 – V I52
2021-01-17 07:09:10 C 09 09 45.68 -18 31 30.3 – V I52
2021-01-17 07:14:00 C 09 09 45.83 -18 31 21.5 – V I52
2021-01-18 03:59:58 C 09 10 51.04 -17 48 02.9 – u 807
2021-01-18 04:07:27 C 09 10 51.25 -17 47 46.2 – u 807
2021-01-18 04:14:45 C 09 10 51.47 -17 47 30.5 – u 807
2021-01-18 05:57:31 C 09 10 58.56 -17 45 24.4 – o 691
2021-01-18 06:23:36 C 09 10 59.37 -17 44 27.5 – o 691
2021-01-18 06:49:41 C 09 11 00.21 -17 43 30.5 – o 691
2021-01-18 08:53:36 C 09 11 03.75 -17 38 53.6 – V I52
2021-01-18 08:56:01 C 09 11 03.78 -17 38 48.1 – V I52
2021-01-18 09:07:12 C 09 11 04.10 -17 38 22.5 – V I52
2021-01-25 21:22:42 C 09 42 50.17 +08 49 17.4 – V J95
2021-01-25 21:26:53 C 09 42 52.40 +08 51 21.2 – V J95
2021-01-25 21:35:21 C 09 42 56.92 +08 55 31.4 – V J95
2021-01-25 21:36:12 C 09 42 56.94 +08 56 40.8 – V G17
2021-01-25 21:39:26 C 09 42 59.11 +08 57 32.1 – V J95
2021-01-25 21:40:36 C 09 42 59.21 +08 58 51.4 – V G17
2021-01-25 21:43:11 C 09 43 01.10 +08 59 23.1 – V J95
2021-01-25 21:45:46 C 09 43 01.91 +09 01 25.9 – V G17
2021-01-25 23:10:49 C 09 43 47.19 +09 43 18.5 – V Z99
2021-01-25 23:13:19 C 09 43 48.51 +09 44 35.3 – V Z99
2021-01-25 23:15:46 C 09 43 49.81 +09 45 50.0 – V Z99
2021-01-25 23:18:13 C 09 43 51.15 +09 47 05.8 – V Z99
2021-01-25 23:20:41 C 09 43 52.51 +09 48 22.2 – V Z99
2021-01-25 23:39:26 C 09 44 02.97 +09 58 09.1 – V Z80
2021-01-25 23:45:25 C 09 44 06.18 +10 01 15.4 – V Z80
2021-01-25 23:51:26 C 09 44 09.40 +10 04 21.4 – V Z80
2021-01-25 23:51:44 C 09 44 07.56 +10 05 03.7 – V 204
2021-01-25 23:56:01 C 09 44 09.81 +10 07 16.9 – V 204
2021-01-25 23:58:52 C 09 44 11.32 +10 08 46.0 – V 204
2021-01-26 20:39:57 C 10 01 30.93 +23 49 40.5 – V 595
2021-01-26 20:41:48 C 10 01 32.86 +23 51 12.5 – V 595
2021-01-26 20:43:39 C 10 01 34.86 +23 52 45.4 – V 595
2021-01-26 20:45:30 C 10 01 36.86 +23 54 18.6 – V 595
2021-01-26 22:26:40 C 10 03 28.60 +25 20 15.4 – V 204
2021-01-26 22:29:40 C 10 03 31.93 +25 22 51.4 – V 204
2021-01-26 22:32:39 C 10 03 35.25 +25 25 26.9 – V 204
2021-01-26 22:37:19 C 10 03 40.25 +25 29 48.8 – V 160
2021-01-26 22:38:50 C 10 03 41.92 +25 31 07.9 – V 160
2021-01-26 23:24:34 C 10 04 33.00 +26 11 07.4 – V 160
2021-01-26 23:25:55 C 10 04 34.52 +26 12 18.8 – V 160
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-01-29 06:40:00 -403028 20 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)