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
2021-03-21 10:44:05 s 1 +161448.25 9 +70631.078 860.0 – C57
2021-03-21 17:24:05 S 09 03 23.532 -52 44 56.44 – V C57
2021-03-21 17:24:05 s 1 +167011.17 6 +108104.04 8050.0 – C57
2021-03-21 17:34:05 S 09 03 18.670 -52 45 46.87 – V C57
2021-03-21 17:34:05 s 1 +167083.62 6 +109002.42 2700.0 – C57
2021-03-21 18:24:05 S 09 02 55.740 -52 49 08.29 – V C57
2021-03-21 18:24:05 s 1 +167402.77 0 +113465.90 1070.0 – C57
2021-03-21 19:04:05 S 09 02 37.020 -52 51 56.45 – V C57
2021-03-21 19:04:05 s 1 +167607.65 3 +117002.55 2410.0 – C57
2021-03-21 19:14:05 S 09 02 32.647 -52 52 31.76 – V C57
2021-03-21 19:14:05 s 1 +167652.04 3 +117881.98 1780.0 – C57
2021-03-21 19:24:05 S 09 02 27.919 -52 53 22.16 – V C57
2021-03-21 19:24:05 s 1 +167693.74 3 +118759.51 5850.0 – C57
2021-03-21 19:44:05 S 09 02 19.164 -52 54 46.26 – V C57
2021-03-21 19:44:05 s 1 +167769.14 8 +120508.89 8200.0 – C57
2021-03-21 20:14:05 S 09 02 05.971 -52 56 43.30 – V C57
2021-03-21 20:14:05 s 1 +167862.56 5 +123118.77 7880.0 – C57
2021-03-21 20:44:05 S 09 01 51.660 -52 59 01.97 – V C57
2021-03-21 20:44:05 s 1 +167932.81 5 +125711.63 1810.0 – C57
2021-03-21 20:54:05 S 09 01 48.094 -52 59 40.02 – V C57
2021-03-21 20:54:05 s 1 +167951.17 1 +126572.14 9790.0 – C57
2021-03-21 21:04:05 S 09 01 42.744 -53 00 29.23 – V C57
2021-03-21 21:04:05 s 1 +167967.02 7 +127430.77 2830.0 – C57
2021-03-21 21:34:05 S 09 01 28.327 -53 02 32.68 – V C57
2021-03-21 21:34:05 s 1 +167999.77 8 +129995.34 2670.0 – C57
2021-03-21 22:24:05 S 09 01 05.069 -53 06 08.57 – V C57
2021-03-21 22:24:05 s 1 +168006.02 9 +134232.03 3470.0 – C57
2021-03-21 22:54:05 S 09 00 50.251 -53 08 20.08 – V C57
2021-03-21 22:54:05 s 1 +167981.53 3 +136751.55 50.0 – C57
2021-03-21 23:04:05 S 09 00 45.862 -53 08 58.20 – V C57
2021-03-21 23:04:05 s 1 +167968.76 0 +137587.65 6450.0 – C57
2021-03-21 23:24:05 S 09 00 37.126 -53 10 20.57 – V C57
2021-03-21 23:24:05 s 1 +167936.39 9 +139254.24 5750.0 – C57
2021-03-21 23:34:05 S 09 00 32.323 -53 11 00.78 – V C57
2021-03-21 23:34:05 s 1 +167916.84 4 +140084.74 8720.0 – C57
2021-03-21 23:44:05 S 09 00 27.674 -53 11 45.74 – V C57
2021-03-21 23:44:05 s 1 +167895.05 9 +140913.38 7260.0 – C57
2021-03-21 23:54:05 S 09 00 22.882 -53 12 28.40 – V C57
2021-03-21 23:54:05 s 1 +167871.06 1 +141740.16 1420.0 – C57
2021-03-22 00:04:05 S 09 00 18.096 -53 13 03.18 – V C57
2021-03-22 00:04:05 s 1 +167844.86 4 +142565.08 1210.0 – C57
2021-03-22 00:14:05 S 09 00 13.850 -53 13 51.96 – V C57
2021-03-22 00:14:05 s 1 +167816.48 5 +143388.15 6680.0 – C57
2021-03-22 00:24:05 S 09 00 09.775 -53 14 31.24 – V C57
2021-03-22 00:24:05 s 1 +167785.93 8 +144209.35 7850.0 – C57
2021-03-22 00:54:05 S 08 59 54.456 -53 16 51.78 – V C57
2021-03-22 00:54:05 s 1 +167681.44 0 +146661.88 5840.0 – C57
2021-03-22 01:24:05 S 08 59 40.397 -53 18 44.68 – V C57
2021-03-22 01:24:05 s 1 +167557.96 6 +149097.78 6160.0 – C57
2021-03-22 01:34:05 S 08 59 35.021 -53 19 32.77 – V C57