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
2021-03-24 02:34:05 s 1 +101126.57 3 +317927.99 2840.0 – C57
2021-03-24 02:44:05 S 08 32 22.409 -56 42 15.23 – V C57
2021-03-24 02:44:05 s 1 +100796.00 5 +318293.26 4670.0 – C57
2021-03-24 02:54:05 S 08 32 15.778 -56 42 49.50 – V C57
2021-03-24 02:54:05 s 1 +100465.04 7 +318657.30 5670.0 – C57
2021-03-24 03:14:05 S 08 32 01.716 -56 44 09.10 – V C57
2021-03-24 03:14:05 s 1 +99801.975 0 +319381.67 5220.0 – C57
2021-03-24 03:24:05 S 08 31 56.446 -56 44 58.60 – V C57
2021-03-24 03:24:05 s 1 +99469.864 0 +319742.01 3770.0 – C57
2021-03-24 03:34:05 S 08 31 50.554 -56 45 30.49 – V C57
2021-03-24 03:34:05 s 1 +99137.373 0 +320101.12 1520.0 – C57
2021-03-24 03:44:05 S 08 31 44.520 -56 46 18.41 – V C57
2021-03-24 03:44:05 s 1 +98804.504 0 +320459.01 8460.0 – C57
2021-03-24 03:54:05 S 08 31 38.278 -56 46 53.80 – V C57
2021-03-24 03:54:05 s 1 +98471.259 0 +320815.66 4600.0 – C57
2021-03-24 04:04:05 S 08 31 31.524 -56 47 25.22 – V C57
2021-03-24 04:04:05 s 1 +98137.639 0 +321171.09 9940.0 – C57
2021-03-24 04:24:05 S 08 31 19.565 -56 48 44.60 – V C57
2021-03-24 04:24:05 s 1 +97469.287 0 +321878.28 8260.0 – C57
2021-03-24 04:34:05 S 08 31 12.854 -56 49 21.72 – V C57
2021-03-24 04:34:05 s 1 +97134.557 0 +322230.03 1240.0 – C57
2021-03-24 04:44:05 S 08 31 06.293 -56 50 12.44 – V C57
2021-03-24 04:44:05 s 1 +96799.462 0 +322580.57 3440.0 – C57
2021-03-24 05:04:05 S 08 30 53.554 -56 51 19.80 – V C57
2021-03-24 05:04:05 s 1 +96128.183 0 +323277.99 5520.0 – C57
2021-03-24 05:14:05 S 08 30 47.047 -56 52 02.64 – V C57
2021-03-24 05:14:05 s 1 +95792.003 0 +323624.87 5410.0 – C57
2021-03-24 05:24:05 S 08 30 41.923 -56 52 36.01 – V C57
2021-03-24 05:24:05 s 1 +95455.464 0 +323970.53 4530.0 – C57
2021-03-24 05:44:05 S 08 30 26.897 -56 54 08.46 – V C57
2021-03-24 05:44:05 s 1 +94781.323 0 +324658.22 510.0 – C57
2021-03-24 06:14:05 S 08 30 07.349 -56 55 50.77 – V C57
2021-03-24 06:14:05 s 1 +93767.476 0 +325680.65 8850.0 – C57
2021-03-24 06:44:05 S 08 29 49.272 -56 57 56.12 – V C57
2021-03-24 06:44:05 s 1 +92750.516 0 +326692.20 530.0 – C57
2021-03-24 07:04:05 S 08 29 36.221 -56 59 07.30 – V C57
2021-03-24 07:04:05 s 1 +92070.839 0 +327360.53 4680.0 – C57
2021-03-24 07:14:05 S 08 29 30.050 -56 59 49.38 – V C57
2021-03-24 07:14:05 s 1 +91730.495 0 +327692.89 5670.0 – C57
2021-03-24 07:24:05 S 08 29 23.988 -57 00 30.92 – V C57
2021-03-24 07:24:05 s 1 +91389.817 0 +328024.05 5950.0 – C57
2021-03-24 07:34:05 S 08 29 17.112 -57 01 08.40 – V C57
2021-03-24 07:34:05 s 1 +91048.806 0 +328354.01 5510.0 – C57
2021-03-24 07:44:05 S 08 29 10.394 -57 01 48.54 – V C57
2021-03-24 07:44:05 s 1 +90707.465 0 +328682.76 4370.0 – C57
2021-03-24 08:24:05 S 08 28 44.539 -57 04 23.84 – V C57
2021-03-24 08:24:05 s 1 +89338.832 0 +329985.80 2780.0 – C57
2021-03-24 08:34:05 S 08 28 37.920 -57 05 01.93 – V C57
2021-03-24 08:34:05 s 1 +88995.866 0 +330308.57 8150.0 – C57
2021-03-24 08:44:05 S 08 28 31.426 -57 05 39.41 – V C57