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
2021-03-15 15:04:06 s 1 -140838.00 3 +324128.16 8580.0 – C57
2021-03-15 15:14:06 S 09 58 34.846 -43 22 31.91 – V C57
2021-03-15 15:14:06 s 1 -141128.73 5 +323798.05 9540.0 – C57
2021-03-15 15:24:06 S 09 58 31.570 -43 23 15.04 – V C57
2021-03-15 15:24:06 s 1 -141419.02 2 +323466.87 9680.0 – C57
2021-03-15 15:34:06 S 09 58 28.574 -43 23 47.94 – V C57
2021-03-15 15:34:06 s 1 -141708.86 0 +323134.64 9000.0 – C57
2021-03-15 15:44:06 S 09 58 26.225 -43 24 28.40 – V C57
2021-03-15 15:44:06 s 1 -141998.24 9 +322801.35 7500.0 – C57
2021-03-15 15:54:06 S 09 58 22.862 -43 25 09.77 – V C57
2021-03-15 15:54:06 s 1 -142287.18 8 +322467.00 5170.0 – C57
2021-03-15 16:04:06 S 09 58 19.133 -43 25 50.56 – V C57
2021-03-15 16:04:06 s 1 -142575.67 3 +322131.59 2010.0 – C57
2021-03-15 16:14:06 S 09 58 16.625 -43 26 30.44 – V C57
2021-03-15 16:14:06 s 1 -142863.70 4 +321795.13 8020.0 – C57
2021-03-15 16:24:06 S 09 58 12.857 -43 27 12.92 – V C57
2021-03-15 16:24:06 s 1 -143151.27 9 +321457.60 3190.0 – C57
2021-03-15 16:34:06 S 09 58 10.243 -43 27 49.61 – V C57
2021-03-15 16:34:06 s 1 -143438.39 6 +321119.02 7520.0 – C57
2021-03-15 16:44:06 S 09 58 07.457 -43 28 32.12 – V C57
2021-03-15 16:44:06 s 1 -143725.05 4 +320779.37 1010.0 – C57
2021-03-15 16:54:06 S 09 58 04.049 -43 29 10.50 – V C57
2021-03-15 16:54:06 s 1 -144011.25 0 +320438.67 3660.0 – C57
2021-03-15 17:04:06 S 09 58 01.092 -43 29 53.95 – V C57
2021-03-15 17:04:06 s 1 -144296.98 4 +320096.90 5450.0 – C57
2021-03-15 17:14:06 S 09 57 57.962 -43 30 30.24 – V C57
2021-03-15 17:14:06 s 1 -144582.25 3 +319754.07 6400.0 – C57
2021-03-15 17:24:06 S 09 57 54.540 -43 31 06.13 – V C57
2021-03-15 17:24:06 s 1 -144867.05 5 +319410.17 6480.0 – C57
2021-03-15 17:34:06 S 09 57 51.722 -43 31 53.26 – V C57
2021-03-15 17:34:06 s 1 -145151.39 0 +319065.22 5710.0 – C57
2021-03-15 17:44:06 S 09 57 48.842 -43 32 29.36 – V C57
2021-03-15 17:44:06 s 1 -145435.25 5 +318719.19 4080.0 – C57
2021-03-15 17:54:06 S 09 57 45.562 -43 33 08.32 – V C57
2021-03-15 17:54:06 s 1 -145718.64 8 +318372.11 1580.0 – C57
2021-03-15 18:54:06 S 09 57 27.170 -43 37 18.59 – V C57
2021-03-15 18:54:06 s 1 -147409.00 9 +316267.19 8200.0 – C57
2021-03-15 19:04:06 S 09 57 24.283 -43 37 41.95 – V C57
2021-03-15 19:04:06 s 1 -147689.05 3 +315912.63 9540.0 – C57
2021-03-15 19:24:06 S 09 57 17.578 -43 39 16.16 – V C57
2021-03-15 19:24:06 s 1 -148247.68 2 +315200.31 9540.0 – C57
2021-03-15 19:34:06 S 09 57 14.683 -43 39 57.85 – V C57
2021-03-15 19:34:06 s 1 -148526.26 4 +314842.54 8190.0 – C57
2021-03-15 19:44:06 S 09 57 11.818 -43 40 37.78 – V C57
2021-03-15 19:44:06 s 1 -148804.35 4 +314483.70 5940.0 – C57
2021-03-15 19:54:06 S 09 57 08.424 -43 41 10.25 – V C57
2021-03-15 19:54:06 s 1 -149081.95 2 +314123.79 2780.0 – C57
2021-03-15 20:04:06 S 09 57 05.681 -43 41 53.77 – V C57
2021-03-15 20:04:06 s 1 -149359.05 5 +313762.81 8710.0 – C57
2021-03-15 20:14:06 S 09 57 02.496 -43 42 29.63 – V C57