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
2019-02-11 12:44:35 S 09 14 32.690 -22 44 49.27 V C57
2019-02-11 12:44:35 s 1 -184182.23 1 +277257.81 6600.0 C57
2019-02-11 13:14:35 S 09 14 29.914 -22 44 57.73 V C57
2019-02-11 13:14:35 s 1 -184655.26 6 +275923.73 2660.0 C57
2019-02-11 13:44:35 S 09 14 27.353 -22 45 07.81 V C57
2019-02-11 13:44:35 s 1 -185122.20 4 +274580.37 7590.0 C57
2019-02-11 14:14:35 S 09 14 24.502 -22 45 18.72 V C57
2019-02-11 14:14:35 s 1 -185582.98 6 +273227.69 1110.0 C57
2019-02-11 14:44:35 S 09 14 21.770 -22 45 28.30 V C57
2019-02-11 14:44:35 s 1 -186040.26 6 +271867.70 4380.0 C57
2019-02-11 15:14:35 S 09 14 19.140 -22 45 37.98 V C57
2019-02-11 15:14:35 s 1 -186488.54 7 +270496.37 4520.0 C57
2019-02-11 15:44:35 S 09 14 16.459 -22 45 47.30 V C57
2019-02-11 15:44:35 s 1 -186930.50 8 +269115.69 2310.0 C57
2019-02-11 16:14:35 S 09 14 13.690 -22 45 57.89 V C57
2019-02-11 16:14:35 s 1 -187366.06 8 +267725.64 7620.0 C57
2019-02-11 16:44:35 S 09 14 11.040 -22 46 07.97 V C57
2019-02-11 16:44:35 s 1 -187795.16 4 +266326.18 160.0 C57
2019-02-11 17:14:35 S 09 14 08.352 -22 46 17.87 V C57
2019-02-11 17:14:35 s 1 -188217.73 2 +264917.31 9640.0 C57
2019-02-11 17:44:35 S 09 14 05.513 -22 46 27.55 V C57
2019-02-11 17:44:35 s 1 -188633.70 7 +263498.99 5780.0 C57
2019-02-11 18:14:35 S 09 14 02.875 -22 46 37.52 V C57
2019-02-11 18:14:35 s 1 -189043.02 3 +262071.21 8280.0 C57
2019-02-11 18:44:35 S 09 14 00.178 -22 46 47.75 V C57
2019-02-11 18:44:35 s 1 -189445.61 3 +260633.95 6840.0 C57
2019-02-11 19:14:35 S 09 13 57.422 -22 46 55.56 V C57
2019-02-11 19:14:35 s 1 -189841.41 0 +259187.19 1160.0 C57
2019-02-11 19:44:35 S 09 13 54.768 -22 47 06.47 V C57
2019-02-11 19:44:35 s 1 -190230.34 5 +257730.91 930.0 C57
2019-02-11 20:14:35 S 09 13 52.030 -22 47 16.48 V C57
2019-02-11 20:14:35 s 1 -190612.34 7 +256265.08 5840.0 C57
2019-02-11 20:44:35 S 09 13 49.303 -22 47 26.27 V C57
2019-02-11 20:44:35 s 1 -190987.34 7 +254789.69 5580.0 C57
2019-02-11 21:14:35 S 09 13 46.440 -22 47 35.92 V C57
2019-02-11 21:14:35 s 1 -191355.27 3 +253304.71 9820.0 C57
2019-02-11 21:44:35 S 09 13 43.889 -22 47 45.78 V C57
2019-02-11 21:44:35 s 1 -191716.05 2 +251810.13 8240.0 C57
2019-02-11 22:14:35 S 09 13 41.002 -22 47 57.30 V C57
2019-02-11 22:14:35 s 1 -192069.60 9 +250305.91 500.0 C57
2019-02-11 22:44:35 S 09 13 38.498 -22 48 04.75 V C57
2019-02-11 22:44:35 s 1 -192415.87 1 +248792.05 6280.0 C57
2019-02-11 23:14:35 S 09 13 35.724 -22 48 14.54 V C57
2019-02-11 23:14:35 s 1 -192754.76 1 +247268.51 5240.0 C57
2019-02-11 23:44:35 S 09 13 33.082 -22 48 24.34 V C57
2019-02-11 23:44:35 s 1 -193086.20 2 +245735.27 7020.0 C57
2019-02-12 00:14:35 S 09 13 30.266 -22 48 33.80 V C57
2019-02-12 00:14:35 s 1 -193410.11 6 +244192.31 1270.0 C57
2019-02-12 00:44:35 S 09 13 27.684 -22 48 43.99 V C57
2019-02-12 00:44:35 s 1 -193726.42 2 +242639.62 7640.0 C57