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 17:54:05 s 1 -197950.18 9 +170915.10 1130.0 C57
2021-03-17 18:04:05 S 09 41 17.220 -46 45 17.68 V C57
2021-03-17 18:04:05 s 1 -197980.67 1 +170224.57 3840.0 C57
2021-03-17 18:14:05 S 09 41 13.594 -46 45 51.59 V C57
2021-03-17 18:14:05 s 1 -198009.61 0 +169532.70 3620.0 C57
2021-03-17 18:24:05 S 09 41 10.207 -46 46 32.16 V C57
2021-03-17 18:24:05 s 1 -198037.00 0 +168839.48 470.0 C57
2021-03-17 18:34:05 S 09 41 06.017 -46 47 07.51 V C57
2021-03-17 18:34:05 s 1 -198062.83 2 +168144.93 4360.0 C57
2021-03-17 19:14:05 S 09 40 50.882 -46 49 45.44 V C57
2021-03-17 19:14:05 s 1 -198150.42 7 +165353.28 110.0 C57
2021-03-17 19:44:05 S 09 40 40.188 -46 51 46.69 V C57
2021-03-17 19:44:05 s 1 -198199.37 8 +163245.41 7660.0 C57
2021-03-17 19:54:05 S 09 40 35.844 -46 52 23.59 V C57
2021-03-17 19:54:05 s 1 -198212.46 3 +162540.09 7380.0 C57
2021-03-17 20:04:05 S 09 40 32.023 -46 53 08.63 V C57
2021-03-17 20:04:05 s 1 -198223.91 7 +161833.42 4010.0 C57
2021-03-17 20:14:05 S 09 40 28.030 -46 53 41.78 V C57
2021-03-17 20:14:05 s 1 -198233.73 3 +161125.40 7530.0 C57
2021-03-17 20:34:05 S 09 40 20.314 -46 55 00.91 V C57
2021-03-17 20:34:05 s 1 -198248.41 6 +159705.31 5190.0 C57
2021-03-17 20:44:05 S 09 40 16.951 -46 55 37.60 V C57
2021-03-17 20:44:05 s 1 -198253.26 5 +158993.23 9280.0 C57
2021-03-17 20:54:05 S 09 40 12.485 -46 56 20.98 V C57
2021-03-17 20:54:05 s 1 -198256.44 3 +158279.80 210.0 C57
2021-03-17 21:04:05 S 09 40 08.477 -46 56 59.68 V C57
2021-03-17 21:04:05 s 1 -198257.93 9 +157565.02 7940.0 C57
2021-03-17 21:24:05 S 09 40 01.217 -46 58 12.94 V C57
2021-03-17 21:24:05 s 1 -198255.85 3 +156131.38 3780.0 C57
2021-03-17 21:34:05 S 09 39 57.470 -46 58 58.30 V C57
2021-03-17 21:34:05 s 1 -198252.25 3 +155412.52 1840.0 C57
2021-03-17 21:44:05 S 09 39 52.966 -46 59 36.60 V C57
2021-03-17 21:44:05 s 1 -198246.93 7 +154692.31 6650.0 C57
2021-03-17 21:54:05 S 09 39 49.742 -47 00 09.68 V C57
2021-03-17 21:54:05 s 1 -198239.89 6 +153970.74 8180.0 C57
2021-03-17 22:04:05 S 09 39 46.349 -47 00 52.52 V C57
2021-03-17 22:04:05 s 1 -198231.12 0 +153247.81 6410.0 C57
2021-03-17 22:14:05 S 09 39 42.214 -47 01 30.54 V C57
2021-03-17 22:14:05 s 1 -198220.60 1 +152523.51 1340.0 C57
2021-03-17 22:44:05 S 09 39 30.670 -47 03 25.67 V C57
2021-03-17 22:44:05 s 1 -198178.48 9 +150342.47 6090.0 C57
2021-03-17 22:54:05 S 09 39 26.969 -47 04 04.08 V C57
2021-03-17 22:54:05 s 1 -198160.90 3 +149612.73 7600.0 C57
2021-03-17 23:04:05 S 09 39 23.357 -47 04 39.90 V C57
2021-03-17 23:04:05 s 1 -198141.52 7 +148881.63 5710.0 C57
2021-03-17 23:14:05 S 09 39 18.614 -47 05 20.22 V C57
2021-03-17 23:14:05 s 1 -198120.35 1 +148149.16 400.0 C57
2021-03-17 23:24:05 S 09 39 15.245 -47 06 06.19 V C57
2021-03-17 23:24:05 s 1 -198097.36 6 +147415.33 1660.0 C57
2021-03-17 23:34:05 S 09 39 11.678 -47 06 35.14 V C57