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
2025-01-22 06:42:33 C 00 34 41.126 +44 08 50.28 V T08
2025-01-22 06:50:28 C 00 34 42.386 +44 08 47.80 V T08
2025-01-27 03:30:04 C 00 53 18.049 +43 37 27.80 V 703
2025-01-27 03:33:05 C 00 53 18.510 +43 37 27.01 V 703
2025-01-27 03:36:06 C 00 53 18.964 +43 37 26.33 V 703
2025-01-27 03:39:09 C 00 53 19.507 +43 37 24.60 V 703
2025-02-03 05:18:35 C 01 19 37.241 +42 48 34.56 V T05
2025-02-03 05:19:54 C 01 19 37.428 +42 48 33.91 V T08
2025-02-03 05:23:10 C 01 19 37.896 +42 48 33.16 V T05
2025-02-03 05:27:17 C 01 19 38.532 +42 48 32.08 V T08
2025-02-03 05:33:42 C 01 19 39.490 +42 48 29.77 V T05
2025-02-03 05:42:03 C 01 19 40.742 +42 48 27.32 V T08
2025-02-03 05:46:03 C 01 19 41.364 +42 48 26.28 V T08
2025-02-03 05:48:16 C 01 19 41.688 +42 48 25.27 V T05
2025-02-04 02:18:18 C 01 22 48.436 +42 42 16.27 V 703
2025-02-04 02:21:19 C 01 22 48.918 +42 42 16.60 V 703
2025-02-04 02:24:21 C 01 22 49.393 +42 42 15.23 V 703
2025-02-04 02:27:22 C 01 22 49.912 +42 42 14.54 V 703
2025-02-04 05:14:48 C 01 23 15.235 +42 41 25.19 V T08
2025-02-04 05:38:51 C 01 23 18.859 +42 41 17.77 V T08
2025-02-04 05:49:40 C 01 23 20.484 +42 41 14.71 V T08
2025-02-04 06:00:47 C 01 23 22.135 +42 41 10.97 V T08
2025-02-05 05:18:49 C 01 26 53.287 +42 34 10.27 V T08
2025-02-05 05:25:16 C 01 26 54.211 +42 34 08.15 V T08
2025-02-05 05:40:36 C 01 26 56.501 +42 34 03.25 V T08
2025-02-07 03:06:37 C 01 33 44.813 +42 20 11.87 V G96
2025-02-07 03:15:24 C 01 33 46.112 +42 20 09.06 V G96
2025-02-07 03:24:12 C 01 33 47.416 +42 20 06.29 V G96
2025-02-07 03:32:59 C 01 33 48.712 +42 20 03.44 V G96
2025-02-07 06:07:31 C 01 34 11.729 +42 19 17.44 V T08
2025-02-07 06:19:29 C 01 34 13.466 +42 19 13.55 V T08
2025-02-07 06:23:29 C 01 34 14.081 +42 19 12.47 V T08
2025-02-07 06:53:34 C 01 34 18.521 +42 19 02.68 V T08
2025-02-07 06:59:11 C 01 34 19.349 +42 19 00.77 V T05
2025-02-07 07:01:32 C 01 34 19.685 +42 19 00.12 V T08
2025-02-07 07:11:08 C 01 34 21.127 +42 18 56.95 V T05
2025-02-07 07:56:51 C 01 34 27.854 +42 18 42.52 V T05
2025-02-07 07:57:30 C 01 34 27.989 +42 18 42.55 V T08
2025-02-07 08:12:48 C 01 34 30.257 +42 18 37.44 V T05
2025-02-08 03:09:24 C 01 37 19.160 +42 12 48.35 V 703
2025-02-08 03:12:41 C 01 37 19.643 +42 12 47.23 V 703
2025-02-08 03:15:59 C 01 37 20.107 +42 12 46.26 V 703
2025-02-08 03:19:16 C 01 37 20.543 +42 12 44.96 V 703
2025-02-10 06:59:00 C 01 44 56.885 +41 56 42.40 V T08
2025-02-10 07:04:21 C 01 44 57.650 +41 56 40.38 V T08
2025-02-10 07:11:45 C 01 44 58.754 +41 56 38.08 V T08
2025-02-10 07:39:07 C 01 45 02.774 +41 56 29.51 V T08
2025-02-11 05:36:15 C 01 48 15.036 +41 49 37.52 V T08
2025-02-11 05:40:15 C 01 48 15.590 +41 49 36.48 V T08
2025-02-11 05:50:18 C 01 48 17.040 +41 49 33.38 V T08