21088 Chelyabinsk (1992 BL2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2387361539 ± 6.03e-09
Semi-major axis (a)1.7063669522 AU ± 3.31e-10
Inclination (i)38.46248793° ± 9.84e-07
Long. of Asc. Node (Ω)297.82517282° ± 9.53e-07
Arg. of Perihelion (ω)27.19775356° ± 1.68e-06
Mean Anomaly (M)205.19142502° ± 1.08e-06
Mean Motion (n)0.4421846161°/day ± 1.29e-10
Perihelion dist (q)1.29899547 AU ± 1.03e-08
Aphelion dist (Q)2.11373844 AU ± 1.03e-08
Orbital Period2.22899270 yr ± 6.48e-10
Physical Parameters
H (abs. magnitude)14.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeAmor
MOID0.306089 AU
Observations Used6935
Gaia Obs Used131
Oppositions15
Arc Total1990-2026
First Observation Used1990-01-30
Last Observation Used2026-01-13
Observations (9404)
Date Type RA Dec Mag Band Observatory
2024-08-14 20:18:45 C 19 48 29.220 +38 54 58.84 V 089
2024-08-14 21:26:02 C 19 48 19.14 +38 56 38.0 X G02
2024-08-14 21:31:58 C 19 48 18.22 +38 56 46.7 X G02
2024-08-14 21:37:41 C 19 48 17.35 +38 56 55.1 X G02
2024-08-14 22:48:05 C 19 48 06.888 +38 58 38.06 Z C23
2024-08-14 23:30:35 C 19 48 00.310 +38 59 40.81 Z C23
2024-08-15 01:11:34 C 19 47 46.50 +39 02 12.2 V W53
2024-08-15 01:22:21 C 19 47 44.86 +39 02 28.4 V W53
2024-08-15 01:33:51 C 19 47 43.10 +39 02 45.5 V W53
2024-08-15 03:23:50 C 19 47 26.23 +39 05 27.3 V W53
2024-08-15 03:40:03 C 19 47 23.74 +39 05 51.0 V W53
2024-08-15 03:50:48 C 19 47 22.09 +39 06 06.6 V W53
2024-08-15 09:26:47 C 19 46 32.429 +39 14 18.28 V T08
2024-08-15 09:30:47 C 19 46 31.814 +39 14 24.00 V T08
2024-08-15 09:57:02 C 19 46 27.794 +39 15 01.19 V T08
2024-08-15 22:15:10 C 19 44 40.19 +39 32 09.7 V M77
2024-08-15 22:45:08 C 19 44 35.75 +39 32 50.3 V M77
2024-08-15 23:15:04 C 19 44 31.33 +39 33 30.6 V M77
2024-08-16 00:51:02 B 19 44 18.98 +39 36 00.3 Z X33
2024-08-16 01:07:44 B 19 44 16.53 +39 36 23.4 Z X33
2024-08-16 01:24:24 B 19 44 14.13 +39 36 45.2 Z X33
2024-08-16 08:55:36 C 19 43 08.914 +39 46 51.82 V T05
2024-08-16 09:00:10 C 19 43 08.225 +39 46 57.90 V T05
2024-08-16 09:07:59 C 19 43 07.061 +39 47 08.30 V T05
2024-08-16 09:42:10 C 19 43 01.958 +39 47 53.66 V T05
2024-08-16 21:22:43 C 19 41 23.659 +40 03 06.08 V Z80
2024-08-16 21:26:46 C 19 41 23.078 +40 03 11.45 V Z80
2024-08-16 21:30:50 C 19 41 22.471 +40 03 16.31 V Z80
2024-08-17 09:05:44 C 19 39 45.346 +40 18 10.15 V T05
2024-08-17 09:10:19 C 19 39 44.678 +40 18 15.84 V T05
2024-08-17 09:19:28 C 19 39 43.354 +40 18 27.11 V T05
2024-08-17 09:33:49 C 19 39 41.280 +40 18 44.82 V T05
2024-08-18 19:42:55 C 19 35 05.543 +40 59 12.55 V 089
2024-08-18 20:05:24 C 19 35 02.490 +40 59 37.75 V 089
2024-08-18 20:13:01 C 19 35 01.468 +40 59 45.88 V 089
2024-08-18 20:30:59 C 19 34 59.532 +41 00 05.04 Z C23
2024-08-18 23:55:53 C 19 34 31.747 +41 03 53.39 Z C23
2024-08-19 08:53:38 C 19 33 22.207 +41 13 56.35 V T08
2024-08-19 08:58:40 C 19 33 21.516 +41 14 01.93 V T08
2024-08-19 09:07:59 C 19 33 20.278 +41 14 11.87 V T08
2024-08-19 09:13:16 C 19 33 19.577 +41 14 17.09 V T05
2024-08-19 09:22:32 C 19 33 18.295 +41 14 27.42 V T08
2024-08-19 09:23:32 C 19 33 18.185 +41 14 28.10 V T05
2024-08-19 09:28:05 C 19 33 17.568 +41 14 33.00 V T05
2024-08-19 09:47:01 C 19 33 15.010 +41 14 53.05 V T05
2024-08-19 19:35:50 C 19 32 00.293 +41 25 14.37 V 089
2024-08-19 19:38:13 C 19 31 59.992 +41 25 16.84 V 089
2024-08-19 19:40:35 C 19 31 59.690 +41 25 19.20 V 089
2024-08-21 19:05:45 C 19 26 11.91 +42 11 42.8 X G02
2024-08-21 19:11:32 C 19 26 11.21 +42 11 48.1 X G02