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
2021-03-23 18:14:05 s 1 +117109.68 6 +298061.66 9100.0 – C57
2021-03-23 18:34:05 S 08 37 25.505 -56 09 51.05 – V C57
2021-03-23 18:34:05 s 1 +116492.75 7 +298917.73 5980.0 – C57
2021-03-23 18:44:05 S 08 37 19.111 -56 10 23.95 – V C57
2021-03-23 18:44:05 s 1 +116183.53 3 +299343.81 2820.0 – C57
2021-03-23 18:54:05 S 08 37 13.476 -56 11 07.19 – V C57
2021-03-23 18:54:05 s 1 +115873.80 8 +299768.59 8610.0 – C57
2021-03-23 19:04:05 S 08 37 07.483 -56 11 39.08 – V C57
2021-03-23 19:04:05 s 1 +115563.58 2 +300192.07 3360.0 – C57
2021-03-23 19:34:05 S 08 36 49.426 -56 13 39.18 – V C57
2021-03-23 19:34:05 s 1 +114629.93 3 +301454.74 1350.0 – C57
2021-03-23 21:14:05 S 08 35 47.311 -56 20 25.51 – V C57
2021-03-23 21:14:05 s 1 +111486.34 5 +305579.86 1990.0 – C57
2021-03-23 22:24:05 S 08 35 04.370 -56 25 02.71 – V C57
2021-03-23 22:24:05 s 1 +109258.06 4 +308391.30 6000.0 – C57
2021-03-23 22:34:05 S 08 34 58.553 -56 25 46.70 – V C57
2021-03-23 22:34:05 s 1 +108937.93 0 +308787.85 9910.0 – C57
2021-03-23 22:44:05 S 08 34 51.782 -56 26 27.20 – V C57
2021-03-23 22:44:05 s 1 +108617.35 1 +309183.13 2880.0 – C57
2021-03-23 23:04:05 S 08 34 40.318 -56 27 40.10 – V C57
2021-03-23 23:04:05 s 1 +107974.86 8 +309969.90 6020.0 – C57
2021-03-23 23:24:05 S 08 34 27.689 -56 28 53.00 – V C57
2021-03-23 23:24:05 s 1 +107330.63 5 +310751.62 5460.0 – C57
2021-03-23 23:34:05 S 08 34 21.530 -56 29 55.25 – V C57
2021-03-23 23:34:05 s 1 +107007.86 7 +311140.58 3810.0 – C57
2021-03-23 23:44:05 S 08 34 15.043 -56 30 18.50 – V C57
2021-03-23 23:44:05 s 1 +106684.66 8 +311528.29 1240.0 – C57
2021-03-24 00:04:05 S 08 34 02.642 -56 31 42.96 – V C57
2021-03-24 00:04:05 s 1 +106036.98 8 +312299.94 3410.0 – C57
2021-03-24 00:14:05 S 08 33 56.741 -56 32 18.10 – V C57
2021-03-24 00:14:05 s 1 +105712.51 1 +312683.88 8140.0 – C57
2021-03-24 00:24:05 S 08 33 49.459 -56 33 09.83 – V C57
2021-03-24 00:24:05 s 1 +105387.61 2 +313066.57 1980.0 – C57
2021-03-24 00:34:05 S 08 33 44.158 -56 33 36.50 – V C57
2021-03-24 00:34:05 s 1 +105062.29 4 +313448.00 4940.0 – C57
2021-03-24 00:44:05 S 08 33 38.170 -56 34 18.05 – V C57
2021-03-24 00:44:05 s 1 +104736.55 8 +313828.18 7010.0 – C57
2021-03-24 00:54:05 S 08 33 30.785 -56 35 01.50 – V C57
2021-03-24 00:54:05 s 1 +104410.40 8 +314207.11 8210.0 – C57
2021-03-24 01:04:05 S 08 33 25.178 -56 35 34.26 – V C57
2021-03-24 01:04:05 s 1 +104083.84 5 +314584.80 8530.0 – C57
2021-03-24 01:14:05 S 08 33 19.548 -56 36 17.24 – V C57
2021-03-24 01:14:05 s 1 +103756.87 2 +314961.24 7980.0 – C57
2021-03-24 01:24:05 S 08 33 12.451 -56 37 03.50 – V C57
2021-03-24 01:24:05 s 1 +103429.49 0 +315336.43 6570.0 – C57
2021-03-24 01:34:05 S 08 33 06.946 -56 37 30.97 – V C57
2021-03-24 01:34:05 s 1 +103101.70 3 +315710.38 4300.0 – C57
2021-03-24 01:54:05 S 08 32 54.278 -56 38 51.18 – V C57
2021-03-24 01:54:05 s 1 +102444.91 8 +316454.54 7190.0 – C57
2021-03-24 02:34:05 S 08 32 29.957 -56 41 32.93 – V C57