IAA RAS IAA Minor Planet Database

471241 (2011 BX18)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7321251671 ± 1.64e-08
Semi-major axis (a)2.8654887345 AU ± 1.52e-08
Inclination (i)14.69515642° ± 1.01e-05
Long. of Asc. Node (Ω)310.40631662° ± 1.94e-05
Arg. of Perihelion (ω)304.51568996° ± 1.82e-05
Mean Anomaly (M)334.93637165° ± 3.72e-06
Mean Motion (n)0.2031955619°/day ± 1.62e-09
Perihelion dist (q)0.76759232 AU ± 4.72e-08
Aphelion dist (Q)4.96338515 AU ± 5.39e-08
Orbital Period4.85062899 yr ± 3.86e-08
Physical Parameters
H (abs. magnitude)18.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.249″
Uncertainty0
Orbit TypeApollo
MOID0.037705 AU
Observations Used1909
Oppositions11
Arc Total2011-2025
First Observation Used2011-01-26
Last Observation Used2025-11-29
Observations (3652)
Date Type RA Dec Mag Band Observatory
2021-03-17 03:44:05 s 1 -190431.30 5 +224828.38 6900.0 – C57
2021-03-17 03:54:05 S 09 46 28.925 -45 49 16.93 – V C57
2021-03-17 03:54:05 s 1 -190569.46 2 +224247.71 3150.0 – C57
2021-03-17 04:04:05 S 09 46 25.622 -45 49 58.66 – V C57
2021-03-17 04:04:05 s 1 -190706.57 7 +223665.80 7450.0 – C57
2021-03-17 04:14:05 S 09 46 21.494 -45 50 40.31 – V C57
2021-03-17 04:14:05 s 1 -190842.64 4 +223082.65 9760.0 – C57
2021-03-17 04:34:05 S 09 46 15.103 -45 51 56.34 – V C57
2021-03-17 04:34:05 s 1 -191111.62 1 +221912.59 8450.0 – C57
2021-03-17 05:54:05 S 09 45 45.540 -45 57 19.69 – V C57
2021-03-17 05:54:05 s 1 -192144.74 1 +217182.30 2520.0 – C57
2021-03-17 06:04:05 S 09 45 42.336 -45 57 51.01 – V C57
2021-03-17 06:04:05 s 1 -192268.99 0 +216585.37 2560.0 – C57
2021-03-17 06:14:05 S 09 45 39.034 -45 58 27.84 – V C57
2021-03-17 06:14:05 s 1 -192392.13 6 +215987.17 510.0 – C57
2021-03-17 06:24:05 S 09 45 35.345 -45 59 14.60 – V C57
2021-03-17 06:24:05 s 1 -192514.17 5 +215387.71 6380.0 – C57
2021-03-17 06:34:05 S 09 45 31.802 -45 59 50.46 – V C57
2021-03-17 06:34:05 s 1 -192635.10 1 +214786.99 150.0 – C57
2021-03-17 06:44:05 S 09 45 28.056 -46 00 31.07 – V C57
2021-03-17 06:44:05 s 1 -192754.91 0 +214185.01 1810.0 – C57
2021-03-17 06:54:05 S 09 45 24.403 -46 01 10.63 – V C57
2021-03-17 06:54:05 s 1 -192873.59 7 +213581.77 1350.0 – C57
2021-03-17 07:14:05 S 09 45 17.258 -46 02 26.12 – V C57
2021-03-17 07:14:05 s 1 -193107.58 4 +212371.48 4050.0 – C57
2021-03-17 07:24:05 S 09 45 13.390 -46 03 10.04 – V C57
2021-03-17 07:24:05 s 1 -193222.87 4 +211764.43 7180.0 – C57
2021-03-17 07:34:05 S 09 45 10.330 -46 03 45.50 – V C57
2021-03-17 07:34:05 s 1 -193337.02 2 +211156.12 8160.0 – C57
2021-03-17 07:44:05 S 09 45 07.159 -46 04 35.44 – V C57
2021-03-17 07:44:05 s 1 -193450.02 3 +210546.54 6970.0 – C57
2021-03-17 07:54:05 S 09 45 02.335 -46 05 15.86 – V C57
2021-03-17 07:54:05 s 1 -193561.87 2 +209935.68 3600.0 – C57
2021-03-17 08:04:05 S 09 44 59.366 -46 05 52.62 – V C57
2021-03-17 08:04:05 s 1 -193672.56 2 +209323.55 8060.0 – C57
2021-03-17 08:14:05 S 09 44 56.040 -46 06 25.45 – V C57
2021-03-17 08:14:05 s 1 -193782.09 1 +208710.15 310.0 – C57
2021-03-17 08:44:05 S 09 44 44.537 -46 08 23.46 – V C57
2021-03-17 08:44:05 s 1 -194103.64 7 +206862.30 3810.0 – C57
2021-03-17 08:54:05 S 09 44 40.246 -46 09 08.10 – V C57
2021-03-17 08:54:05 s 1 -194208.47 2 +206243.79 7190.0 – C57
2021-03-17 09:14:05 S 09 44 32.830 -46 10 32.52 – V C57
2021-03-17 09:14:05 s 1 -194414.54 9 +205002.95 7190.0 – C57
2021-03-17 09:54:05 S 09 44 19.579 -46 13 05.95 – V C57
2021-03-17 09:54:05 s 1 -194812.26 4 +202505.86 9920.0 – C57
2021-03-17 10:04:05 S 09 44 15.463 -46 13 42.10 – V C57
2021-03-17 10:04:05 s 1 -194908.65 2 +201878.38 7360.0 – C57
2021-03-17 10:14:05 S 09 44 12.029 -46 14 23.24 – V C57
2021-03-17 10:14:05 s 1 -195003.81 3 +201249.60 2480.0 – C57
2021-03-17 11:14:05 S 09 43 49.814 -46 18 21.02 – V C57