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
2021-01-24 18:14:06 s 1 -199098.66 2 +182907.54 6700.0 C57
2021-01-24 18:34:06 S 08 03 10.630 +13 34 47.14 V C57
2021-01-24 18:34:06 s 1 -199125.02 9 +181563.79 4560.0 C57
2021-01-24 18:44:06 S 08 03 09.754 +13 34 41.09 V C57
2021-01-24 18:44:06 s 1 -199136.07 4 +180889.98 4720.0 C57
2021-01-24 18:54:06 S 08 03 08.623 +13 34 34.72 V C57
2021-01-24 18:54:06 s 1 -199145.68 5 +180214.87 2360.0 C57
2021-01-24 19:04:06 S 08 03 07.853 +13 34 32.77 V C57
2021-01-24 19:04:06 s 1 -199153.85 3 +179538.46 7460.0 C57
2021-01-24 19:44:06 S 08 03 03.869 +13 34 06.46 V C57
2021-01-24 19:44:06 s 1 -199171.96 7 +176819.84 2200.0 C57
2021-01-24 19:54:06 S 08 03 03.060 +13 34 01.34 V C57
2021-01-24 19:54:06 s 1 -199172.81 9 +176136.92 4410.0 C57
2021-01-24 20:04:06 S 08 03 02.083 +13 33 53.68 V C57
2021-01-24 20:04:06 s 1 -199172.18 6 +175452.70 4000.0 C57
2021-01-24 20:44:06 S 08 02 58.310 +13 33 32.83 V C57
2021-01-24 20:44:06 s 1 -199154.64 7 +172702.74 5910.0 C57
2021-01-24 20:54:06 S 08 02 57.300 +13 33 25.27 V C57
2021-01-24 20:54:06 s 1 -199146.47 4 +172011.97 2200.0 C57
2021-01-24 21:04:06 S 08 02 56.426 +13 33 20.48 V C57
2021-01-24 21:04:06 s 1 -199136.76 9 +171319.88 5790.0 C57
2021-01-24 21:14:06 S 08 02 55.406 +13 33 13.57 V C57
2021-01-24 21:14:06 s 1 -199125.52 5 +170626.48 6670.0 C57
2021-01-24 21:24:06 S 08 02 54.418 +13 33 07.99 V C57
2021-01-24 21:24:06 s 1 -199112.73 5 +169931.76 4820.0 C57
2021-01-24 21:34:06 S 08 02 53.626 +13 33 04.36 V C57
2021-01-24 21:34:06 s 1 -199098.39 0 +169235.72 230.0 C57
2021-01-24 21:44:06 S 08 02 52.613 +13 32 57.88 V C57
2021-01-24 21:44:06 s 1 -199082.48 3 +168538.36 2870.0 C57
2021-01-24 21:54:06 S 08 02 51.595 +13 32 52.33 V C57
2021-01-24 21:54:06 s 1 -199065.00 5 +167839.68 2750.0 C57
2021-01-24 22:04:06 S 08 02 50.602 +13 32 44.99 V C57
2021-01-24 22:04:06 s 1 -199045.94 8 +167139.68 9840.0 C57
2021-01-24 22:14:06 S 08 02 49.754 +13 32 40.09 V C57
2021-01-24 22:14:06 s 1 -199025.30 4 +166438.35 4130.0 C57
2021-01-24 22:24:06 S 08 02 48.732 +13 32 34.08 V C57
2021-01-24 22:24:06 s 1 -199003.06 5 +165735.69 5590.0 C57
2021-01-24 22:34:06 S 08 02 47.882 +13 32 26.23 V C57
2021-01-24 22:34:06 s 1 -198979.22 3 +165031.71 4230.0 C57
2021-01-24 22:44:06 S 08 02 46.908 +13 32 21.77 V C57
2021-01-24 22:44:06 s 1 -198953.76 8 +164326.40 20.0 C57
2021-01-24 22:54:06 S 08 02 45.977 +13 32 15.97 V C57
2021-01-24 22:54:06 s 1 -198926.69 4 +163619.76 2950.0 C57
2021-01-24 23:04:06 S 08 02 45.034 +13 32 10.75 V C57
2021-01-24 23:04:06 s 1 -198897.99 0 +162911.78 3000.0 C57
2021-01-24 23:14:06 S 08 02 44.093 +13 32 06.47 V C57
2021-01-24 23:14:06 s 1 -198867.65 0 +162202.48 160.0 C57
2021-01-24 23:24:06 S 08 02 42.965 +13 31 59.59 V C57
2021-01-24 23:24:06 s 1 -198835.66 3 +161491.83 4410.0 C57
2021-01-24 23:34:06 S 08 02 42.163 +13 31 52.32 V C57