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
2021-03-12 23:14:06 S 10 15 31.294 -39 10 19.78 – V C57
2021-03-12 23:24:06 S 10 15 28.822 -39 11 00.31 – V C57
2021-03-12 23:34:06 S 10 15 26.407 -39 11 41.78 – V C57
2021-03-12 23:54:06 S 10 15 21.185 -39 12 54.32 – V C57
2021-03-12 23:54:06 s 1 -10432.457 0 +376076.98 3710.0 – C57
2021-03-13 00:04:06 S 10 15 19.570 -39 13 29.28 – V C57
2021-03-13 00:04:06 s 1 -10803.577 0 +376129.70 9130.0 – C57
2021-03-13 00:14:06 S 10 15 17.501 -39 14 12.84 – V C57
2021-03-13 00:14:06 s 1 -11174.679 0 +376181.40 4510.0 – C57
2021-03-13 00:24:06 S 10 15 14.966 -39 14 50.46 – V C57
2021-03-13 00:24:06 s 1 -11545.761 0 +376232.09 9850.0 – C57
2021-03-13 00:34:06 S 10 15 12.689 -39 15 28.15 – V C57
2021-03-13 00:34:06 s 1 -11916.822 0 +376281.75 5160.0 – C57
2021-03-13 00:44:06 S 10 15 10.490 -39 16 04.58 – V C57
2021-03-13 00:44:06 s 1 -12287.860 0 +376330.40 430.0 – C57
2021-03-13 00:54:06 S 10 15 08.318 -39 16 46.56 – V C57
2021-03-13 00:54:06 s 1 -12658.876 0 +376378.02 5670.0 – C57
2021-03-13 01:04:06 S 10 15 05.798 -39 17 20.83 – V C57
2021-03-13 01:04:06 s 1 -13029.868 0 +376424.63 890.0 – C57
2021-03-13 01:14:06 S 10 15 03.180 -39 18 02.77 – V C57
2021-03-13 01:14:06 s 1 -13400.835 0 +376470.22 6070.0 – C57
2021-03-13 01:24:06 S 10 15 01.337 -39 18 39.46 – V C57
2021-03-13 01:24:06 s 1 -13771.776 0 +376514.80 1230.0 – C57
2021-03-13 01:34:06 S 10 14 59.323 -39 19 16.68 – V C57
2021-03-13 01:34:06 s 1 -14142.690 0 +376558.35 6370.0 – C57
2021-03-13 01:44:06 S 10 14 56.410 -39 19 57.47 – V C57
2021-03-13 01:44:06 s 1 -14513.576 0 +376600.89 1490.0 – C57
2021-03-13 01:54:06 S 10 14 54.240 -39 20 35.59 – V C57
2021-03-13 01:54:06 s 1 -14884.434 0 +376642.41 6580.0 – C57
2021-03-13 02:04:06 S 10 14 52.049 -39 21 14.11 – V C57
2021-03-13 02:04:06 s 1 -15255.261 0 +376682.92 1660.0 – C57
2021-03-13 02:14:06 S 10 14 49.591 -39 21 51.44 – V C57
2021-03-13 02:14:06 s 1 -15626.059 0 +376722.41 3270.0 – C57
2021-03-13 02:24:06 S 10 14 47.342 -39 22 33.31 – V C57
2021-03-13 02:24:06 s 1 -15996.824 0 +376760.88 8220.0 – C57
2021-03-13 02:34:06 S 10 14 45.310 -39 23 09.78 – V C57
2021-03-13 02:34:06 s 1 -16367.557 0 +376798.34 3180.0 – C57
2021-03-13 02:44:06 S 10 14 42.648 -39 23 48.73 – V C57
2021-03-13 02:44:06 s 1 -16738.256 0 +376834.79 8150.0 – C57
2021-03-13 02:54:06 S 10 14 40.428 -39 24 29.41 – V C57
2021-03-13 02:54:06 s 1 -17108.920 0 +376870.22 3120.0 – C57
2021-03-13 03:04:06 S 10 14 37.577 -39 25 12.61 – V C57
2021-03-13 03:04:06 s 1 -17479.549 0 +376904.63 8110.0 – C57
2021-03-13 03:24:06 S 10 14 33.636 -39 26 22.99 – V C57
2021-03-13 03:24:06 s 1 -18220.696 0 +376970.42 8080.0 – C57
2021-03-13 03:34:06 S 10 14 31.154 -39 27 00.22 – V C57
2021-03-13 03:34:06 s 1 -18591.213 0 +377001.79 3060.0 – C57
2021-03-13 03:44:06 S 10 14 28.759 -39 27 39.28 – V C57
2021-03-13 03:44:06 s 1 -18961.689 0 +377032.15 8040.0 – C57
2021-03-13 03:54:06 S 10 14 26.568 -39 28 20.39 – V C57