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
2021-02-01 07:54:06 s 1 +20154.776 0 +378068.73 5580.0 C57
2021-02-01 08:04:06 S 07 47 35.434 +11 55 00.01 V C57
2021-02-01 08:04:06 s 1 +19804.340 0 +378219.54 1520.0 C57
2021-02-01 08:14:06 S 07 47 34.483 +11 54 52.70 V C57
2021-02-01 08:14:06 s 1 +19453.852 0 +378369.36 7310.0 C57
2021-02-01 08:24:06 S 07 47 33.619 +11 54 47.34 V C57
2021-02-01 08:24:06 s 1 +19103.314 0 +378518.17 2950.0 C57
2021-02-01 08:34:06 S 07 47 32.827 +11 54 41.69 V C57
2021-02-01 08:34:06 s 1 +18752.726 0 +378665.99 8440.0 C57
2021-02-01 08:44:06 S 07 47 31.927 +11 54 38.95 V C57
2021-02-01 08:44:06 s 1 +18402.089 0 +378812.80 3800.0 C57
2021-02-01 08:54:06 S 07 47 31.010 +11 54 34.52 V C57
2021-02-01 08:54:06 s 1 +18051.405 0 +378958.62 9010.0 C57
2021-02-01 09:04:06 S 07 47 30.091 +11 54 25.67 V C57
2021-02-01 09:04:06 s 1 +17700.675 0 +379103.43 4080.0 C57
2021-02-01 09:14:06 S 07 47 29.213 +11 54 21.60 V C57
2021-02-01 09:14:06 s 1 +17349.899 0 +379247.26 9020.0 C57
2021-02-01 09:24:06 S 07 47 28.454 +11 54 14.15 V C57
2021-02-01 09:24:06 s 1 +16999.078 0 +379390.08 3820.0 C57
2021-02-01 09:34:06 S 07 47 27.782 +11 54 10.76 V C57
2021-02-01 09:34:06 s 1 +16648.214 0 +379531.91 8490.0 C57
2021-02-01 09:44:06 S 07 47 26.798 +11 54 05.26 V C57
2021-02-01 09:44:06 s 1 +16297.307 0 +379672.74 3020.0 C57
2021-02-01 09:54:06 S 07 47 26.018 +11 53 58.99 V C57
2021-02-01 09:54:06 s 1 +15946.359 0 +379812.58 7420.0 C57
2021-02-01 10:04:06 S 07 47 25.056 +11 53 52.26 V C57
2021-02-01 10:04:06 s 1 +15595.370 0 +379951.42 1700.0 C57
2021-02-01 10:12:46 C 07 47 08.72 +11 52 19.4 V T05
2021-02-01 10:14:06 S 07 47 24.286 +11 53 48.26 V C57
2021-02-01 10:14:06 s 1 +15244.340 0 +380089.27 5840.0 C57
2021-02-01 10:17:22 C 07 47 08.34 +11 52 16.8 V T05
2021-02-01 10:24:06 S 07 47 23.508 +11 53 43.62 V C57
2021-02-01 10:24:06 s 1 +14893.273 0 +380226.13 9870.0 C57
2021-02-01 10:25:58 C 07 47 07.60 +11 52 12.3 V T05
2021-02-01 10:34:06 S 07 47 22.454 +11 53 39.05 V C57
2021-02-01 10:34:06 s 1 +14542.167 0 +380362.00 3760.0 C57
2021-02-01 10:40:32 C 07 47 06.36 +11 52 04.5 V T05
2021-02-01 10:44:06 S 07 47 21.502 +11 53 32.03 V C57
2021-02-01 10:44:06 s 1 +14191.024 0 +380496.87 7540.0 C57
2021-02-01 10:54:06 S 07 47 20.662 +11 53 30.16 V C57
2021-02-01 10:54:06 s 1 +13839.846 0 +380630.75 1190.0 C57
2021-02-01 11:04:06 S 07 47 20.165 +11 53 24.54 V C57
2021-02-01 11:04:06 s 1 +13488.632 0 +380763.65 4730.0 C57
2021-02-01 11:14:06 S 07 47 19.207 +11 53 17.27 V C57
2021-02-01 11:14:06 s 1 +13137.385 0 +380895.55 8150.0 C57
2021-02-01 11:24:06 S 07 47 18.379 +11 53 11.54 V C57
2021-02-01 11:24:06 s 1 +12786.104 0 +381026.46 1450.0 C57
2021-02-01 11:34:06 S 07 47 17.448 +11 53 05.42 V C57
2021-02-01 11:34:06 s 1 +12434.791 0 +381156.39 4640.0 C57
2021-02-01 11:44:06 S 07 47 16.685 +11 53 02.58 V C57