IAA RAS IAA Minor Planet Database

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
2019-02-06 08:14:35 s 1 +31810.934 0 +338092.21 5200.0 – C57
2019-02-06 08:44:35 S 09 25 29.741 -21 54 47.02 – V C57
2019-02-06 08:44:35 s 1 +30815.111 0 +338981.75 4240.0 – C57
2019-02-06 09:14:35 S 09 25 27.283 -21 55 01.74 – V C57
2019-02-06 09:14:35 s 1 +29818.185 0 +339860.55 7560.0 – C57
2019-02-06 09:44:35 S 09 25 24.751 -21 55 14.23 – V C57
2019-02-06 09:44:35 s 1 +28820.192 0 +340728.66 5390.0 – C57
2019-02-06 10:14:35 S 09 25 22.188 -21 55 30.47 – V C57
2019-02-06 10:14:35 s 1 +27821.169 0 +341586.11 7970.0 – C57
2019-02-06 10:44:35 S 09 25 19.596 -21 55 43.39 – V C57
2019-02-06 10:44:35 s 1 +26821.152 0 +342432.94 5520.0 – C57
2019-02-06 11:14:35 S 09 25 16.872 -21 55 58.91 – V C57
2019-02-06 11:14:35 s 1 +25820.177 0 +343269.19 8250.0 – C57
2019-02-06 11:44:35 S 09 25 14.585 -21 56 11.90 – V C57
2019-02-06 11:44:35 s 1 +24818.280 0 +344094.89 6400.0 – C57
2019-02-06 12:14:35 S 09 25 12.012 -21 56 25.33 – V C57
2019-02-06 12:14:35 s 1 +23815.496 0 +344910.09 170.0 – C57
2019-02-06 12:44:35 S 09 25 09.365 -21 56 40.42 – V C57
2019-02-06 12:44:35 s 1 +22811.859 0 +345714.81 9780.0 – C57
2019-02-06 13:14:35 S 09 25 06.667 -21 56 54.56 – V C57
2019-02-06 13:14:35 s 1 +21807.404 0 +346509.10 5450.0 – C57
2019-02-06 13:44:35 S 09 25 04.246 -21 57 07.96 – V C57
2019-02-06 13:44:35 s 1 +20802.163 0 +347292.99 7370.0 – C57
2019-02-06 14:14:35 S 09 25 01.649 -21 57 22.61 – V C57
2019-02-06 14:14:35 s 1 +19796.162 0 +348066.53 5780.0 – C57
2019-02-06 14:44:35 S 09 24 59.114 -21 57 37.40 – V C57
2019-02-06 14:44:35 s 1 +18788.774 0 +348830.29 1710.0 – C57
2019-02-06 15:14:35 S 09 24 56.549 -21 57 51.80 – V C57
2019-02-06 15:14:35 s 1 +17781.375 0 +349583.20 3680.0 – C57
2019-02-06 15:44:35 S 09 24 53.822 -21 58 04.69 – V C57
2019-02-06 15:44:35 s 1 +16773.323 0 +350325.84 2710.0 – C57
2019-02-06 16:14:35 S 09 24 51.473 -21 58 17.47 – V C57
2019-02-06 16:14:35 s 1 +15764.650 0 +351058.25 9020.0 – C57
2019-02-06 16:44:35 S 09 24 48.883 -21 58 32.63 – V C57
2019-02-06 16:44:35 s 1 +14755.387 0 +351780.46 2810.0 – C57
2019-02-06 17:14:35 S 09 24 46.226 -21 58 46.78 – V C57
2019-02-06 17:14:35 s 1 +13745.566 0 +352492.51 4250.0 – C57
2019-02-06 17:44:35 S 09 24 43.709 -21 59 00.24 – V C57
2019-02-06 17:44:35 s 1 +12735.218 0 +353194.42 3550.0 – C57
2019-02-06 18:14:35 S 09 24 41.059 -21 59 14.24 – V C57
2019-02-06 18:14:35 s 1 +11724.374 0 +353886.23 890.0 – C57
2019-02-06 18:44:35 S 09 24 38.443 -21 59 28.18 – V C57
2019-02-06 18:44:35 s 1 +10713.064 0 +354567.97 6470.0 – C57
2019-02-06 19:14:35 S 09 24 35.935 -21 59 43.19 – V C57
2019-02-06 19:44:35 S 09 24 33.401 -21 59 56.36 – V C57
2019-02-06 20:14:35 S 09 24 30.768 -22 00 09.29 – V C57
2019-02-06 20:44:35 S 09 24 28.212 -22 00 23.69 – V C57
2019-02-06 21:14:35 S 09 24 25.670 -22 00 37.30 – V C57
2019-02-06 21:44:35 S 09 24 22.910 -22 00 50.58 – V C57
2019-02-06 22:14:35 S 09 24 20.472 -22 01 04.51 – V C57