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
2021-02-04 01:24:06 S 07 42 08.136 +11 20 09.13 V C57
2021-02-04 01:24:06 s 1 -112760.07 4 +364265.89 9120.0 C57
2021-02-04 01:30:00 C 07 42 03.23 +11 18 57.8 V W46
2021-02-04 01:34:06 S 07 42 07.188 +11 20 04.20 V C57
2021-02-04 01:34:06 s 1 -113064.12 1 +364048.30 4530.0 C57
2021-02-04 01:42:19 C 07 42 02.24 +11 18 51.2 V W46
2021-02-04 01:44:06 S 07 42 06.439 +11 19 59.48 V C57
2021-02-04 01:44:06 s 1 -113367.87 6 +363829.78 9490.0 C57
2021-02-04 01:54:06 S 07 42 05.424 +11 19 53.80 V C57
2021-02-04 01:54:06 s 1 -113671.33 7 +363610.33 3990.0 C57
2021-02-04 01:54:58 C 07 42 01.24 +11 18 44.7 V W46
2021-02-04 02:04:06 S 07 42 04.896 +11 19 49.58 V C57
2021-02-04 02:04:06 s 1 -113974.50 4 +363389.95 8030.0 C57
2021-02-04 02:14:06 S 07 42 03.804 +11 19 43.57 V C57
2021-02-04 02:14:06 s 1 -114277.37 6 +363168.63 1600.0 C57
2021-02-04 02:24:06 S 07 42 03.103 +11 19 39.79 V C57
2021-02-04 02:24:06 s 1 -114579.95 2 +362946.38 4700.0 C57
2021-02-04 02:34:06 S 07 42 02.165 +11 19 32.59 V C57
2021-02-04 02:34:06 s 1 -114882.23 0 +362723.20 7340.0 C57
2021-02-04 02:44:06 S 07 42 01.555 +11 19 28.45 V C57
2021-02-04 02:44:06 s 1 -115184.21 0 +362499.08 9510.0 C57
2021-02-04 02:54:06 S 07 42 00.559 +11 19 24.85 V C57
2021-02-04 02:54:06 s 1 -115485.89 1 +362274.02 1210.0 C57
2021-02-04 03:04:06 S 07 41 59.782 +11 19 16.00 V C57
2021-02-04 03:04:06 s 1 -115787.27 1 +362048.04 2430.0 C57
2021-02-04 03:14:06 S 07 41 59.018 +11 19 12.43 V C57
2021-02-04 03:14:06 s 1 -116088.34 9 +361821.11 3180.0 C57
2021-02-04 03:24:06 S 07 41 58.210 +11 19 08.51 V C57
2021-02-04 03:24:06 s 1 -116389.12 4 +361593.26 3450.0 C57
2021-02-04 03:34:06 S 07 41 57.384 +11 19 02.57 V C57
2021-02-04 03:34:06 s 1 -116689.59 6 +361364.46 3230.0 C57
2021-02-04 03:44:06 S 07 41 56.647 +11 18 55.76 V C57
2021-02-04 03:44:06 s 1 -116989.76 3 +361134.73 2540.0 C57
2021-02-04 03:54:06 S 07 41 55.687 +11 18 52.56 V C57
2021-02-04 03:54:06 s 1 -117289.62 5 +360904.07 1370.0 C57
2021-02-04 04:04:06 S 07 41 54.948 +11 18 45.00 V C57
2021-02-04 04:04:06 s 1 -117589.17 9 +360672.46 9710.0 C57
2021-02-04 04:14:06 S 07 41 54.266 +11 18 39.74 V C57
2021-02-04 04:14:06 s 1 -117888.42 5 +360439.93 7560.0 C57
2021-02-04 04:24:06 S 07 41 53.357 +11 18 35.82 V C57
2021-02-04 04:24:06 s 1 -118187.36 2 +360206.45 4920.0 C57
2021-02-04 04:34:06 S 07 41 52.481 +11 18 29.09 V C57
2021-02-04 04:34:06 s 1 -118485.98 9 +359972.04 1790.0 C57
2021-02-04 04:44:06 S 07 41 51.571 +11 18 24.23 V C57
2021-02-04 04:44:06 s 1 -118784.30 5 +359736.68 8170.0 C57
2021-02-04 04:54:06 S 07 41 50.942 +11 18 21.10 V C57
2021-02-04 04:54:06 s 1 -119082.30 8 +359500.39 4060.0 C57
2021-02-04 05:04:06 S 07 41 50.162 +11 18 14.72 V C57
2021-02-04 05:04:06 s 1 -119379.99 8 +359263.17 9440.0 C57
2021-02-04 05:14:06 S 07 41 49.404 +11 18 09.79 V C57