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 14:44:06 s 1 -136070.76 4 +343886.48 9980.0 C57
2021-02-04 14:54:06 S 07 41 02.275 +11 13 02.17 V C57
2021-02-04 14:54:06 s 1 -136347.91 8 +343593.25 2300.0 C57
2021-02-04 15:04:06 S 07 41 01.474 +11 12 59.72 V C57
2021-02-04 15:04:06 s 1 -136624.68 7 +343299.06 3980.0 C57
2021-02-04 15:14:06 S 07 41 00.526 +11 12 53.50 V C57
2021-02-04 15:14:06 s 1 -136901.07 0 +343003.90 5040.0 C57
2021-02-04 15:24:06 S 07 40 59.731 +11 12 48.42 V C57
2021-02-04 15:24:06 s 1 -137177.06 6 +342707.79 5470.0 C57
2021-02-04 15:34:06 S 07 40 59.054 +11 12 43.96 V C57
2021-02-04 15:34:06 s 1 -137452.67 3 +342410.70 5260.0 C57
2021-02-04 15:44:06 S 07 40 58.404 +11 12 38.45 V C57
2021-02-04 15:44:06 s 1 -137727.89 1 +342112.66 4410.0 C57
2021-02-04 15:54:06 S 07 40 57.463 +11 12 32.90 V C57
2021-02-04 15:54:06 s 1 -138002.71 7 +341813.65 2930.0 C57
2021-02-04 16:04:06 S 07 40 56.616 +11 12 26.35 V C57
2021-02-04 16:04:06 s 1 -138277.15 0 +341513.68 800.0 C57
2021-02-04 16:14:06 S 07 40 55.932 +11 12 22.03 V C57
2021-02-04 16:14:06 s 1 -138551.19 0 +341212.74 8020.0 C57
2021-02-04 16:24:06 S 07 40 55.078 +11 12 17.39 V C57
2021-02-04 16:24:06 s 1 -138824.83 4 +340910.83 4600.0 C57
2021-02-04 16:34:06 S 07 40 54.326 +11 12 12.71 V C57
2021-02-04 16:34:06 s 1 -139098.08 2 +340607.96 530.0 C57
2021-02-04 16:44:06 S 07 40 53.383 +11 12 07.06 V C57
2021-02-04 16:44:06 s 1 -139370.93 2 +340304.13 5810.0 C57
2021-02-04 16:54:06 S 07 40 52.694 +11 12 00.50 V C57
2021-02-04 16:54:06 s 1 -139643.38 2 +339999.32 430.0 C57
2021-02-04 17:04:06 S 07 40 51.830 +11 11 55.61 V C57
2021-02-04 17:04:06 s 1 -139915.43 3 +339693.55 4400.0 C57
2021-02-04 17:14:06 S 07 40 51.127 +11 11 51.07 V C57
2021-02-04 17:14:06 s 1 -140187.08 1 +339386.81 7710.0 C57
2021-02-04 17:24:06 S 07 40 50.155 +11 11 42.14 V C57
2021-02-04 17:24:06 s 1 -140458.32 6 +339079.11 350.0 C57
2021-02-04 17:34:06 S 07 40 49.469 +11 11 39.88 V C57
2021-02-04 17:34:06 s 1 -140729.16 6 +338770.43 2330.0 C57
2021-02-04 17:44:06 S 07 40 48.540 +11 11 34.94 V C57
2021-02-04 17:44:06 s 1 -140999.60 1 +338460.79 3650.0 C57
2021-02-04 17:54:06 S 07 40 47.885 +11 11 29.29 V C57
2021-02-04 17:54:06 s 1 -141269.62 8 +338150.17 4290.0 C57
2021-02-04 18:04:06 S 07 40 47.069 +11 11 25.08 V C57
2021-02-04 18:04:06 s 1 -141539.24 6 +337838.58 4260.0 C57
2021-02-04 18:14:06 S 07 40 46.162 +11 11 18.89 V C57
2021-02-04 18:14:06 s 1 -141808.45 4 +337526.03 3560.0 C57
2021-02-04 18:24:06 S 07 40 45.514 +11 11 13.27 V C57
2021-02-04 18:24:06 s 1 -142077.25 1 +337212.50 2180.0 C57
2021-02-04 18:34:06 S 07 40 44.736 +11 11 09.13 V C57
2021-02-04 18:34:06 s 1 -142345.63 5 +336898.00 120.0 C57
2021-02-04 18:44:06 S 07 40 43.716 +11 11 03.98 V C57
2021-02-04 18:44:06 s 1 -142613.60 5 +336582.52 7380.0 C57
2021-02-04 18:54:06 S 07 40 42.929 +11 10 58.55 V C57