2009 BD81

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6302406149
Semi-major axis (a)2.6085248593 AU
Inclination (i)12.26009669°
Long. of Asc. Node (Ω)344.04190746°
Arg. of Perihelion (ω)190.99512835°
Mean Anomaly (M)351.07631208°
Mean Motion (n)0.2339438200°/day
Perihelion dist (q)0.96452660 AU
Aphelion dist (Q)4.25252340 AU
Orbital Period4.21301010 yr
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.264″
Uncertainty
Orbit TypeApollo
MOID0.018572 AU
Observations Used39
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-02-23
Observations (47)
Date Type RA Dec Mag Band Observatory
2009-01-31 02:25:05 C 04 50 33.30 +71 50 52.1 o H55
2009-01-31 02:47:45 C 04 50 25.79 +71 50 58.9 o H55
2009-01-31 02:50:20 C 04 50 24.86 +71 51 00.1 o H55
2009-01-31 02:54:06 C 04 50 23.81 +71 51 00.9 o H55
2009-02-02 03:05:34 C 04 34 04.62 +72 06 08.4 r H85
2009-02-02 03:22:11 C 04 33 58.18 +72 06 11.3 r H85
2009-02-02 03:36:20 C 04 33 55.26 +72 06 20.5 c H36
2009-02-02 03:39:35 C 04 33 51.72 +72 06 14.6 r H85
2009-02-02 03:41:05 C 04 33 53.35 +72 06 21.5 c H36
2009-02-02 03:43:25 C 04 33 52.48 +72 06 21.9 c H36
2009-02-02 06:49:57 C 04 32 41.65 +72 06 58.6 v H01
2009-02-02 06:57:40 C 04 32 38.78 +72 06 59.4 v H01
2009-02-02 07:09:12 C 04 32 34.42 +72 07 00.6 v H01
2009-02-02 07:15:04 C 04 32 32.23 +72 07 01.3 v H01
2009-02-02 07:16:12 C 04 32 31.65 +72 06 48.4 o H55
2009-02-02 07:20:28 C 04 32 30.22 +72 07 01.8 v H01
2009-02-02 07:21:30 C 04 32 29.82 +72 06 48.2 o H55
2009-02-02 07:25:45 C 04 32 28.45 +72 06 48.1 o H55
2009-02-03 00:14:42 C 04 26 30.64 +72 11 20.8 o H55
2009-02-03 00:19:36 C 04 26 28.70 +72 11 22.0 o H55
2009-02-03 00:24:11 C 04 26 26.79 +72 11 23.3 o H55
2009-02-05 01:45:44 C 04 06 56.06 +72 18 53.2 o H55
2009-02-05 01:49:32 C 04 06 54.37 +72 18 53.3 o H55
2009-02-05 01:53:19 C 04 06 52.55 +72 18 53.4 o H55
2009-02-05 18:44:50 C 03 59 40.25 +72 19 40.8 o 071
2009-02-05 19:00:53 C 03 59 32.88 +72 19 39.7 o 071
2009-02-05 19:16:58 C 03 59 25.43 +72 19 39.0 o 071
2009-02-05 19:33:10 C 03 59 17.80 +72 19 38.0 o 071
2009-02-09 00:22:53 C 03 22 27.06 +72 08 05.2 o H55
2009-02-09 00:27:41 C 03 22 24.24 +72 08 03.5 o H55
2009-02-09 00:32:15 C 03 22 21.66 +72 08 01.7 o H55
2009-02-09 20:16:20 C 03 11 33.34 +71 59 13.5 c 595
2009-02-09 20:35:07 C 03 11 22.12 +71 59 01.5 c 595
2009-02-14 00:17:30 C 02 08 48.83 +70 17 21.5 o H55
2009-02-14 00:20:33 C 02 08 46.49 +70 17 16.0 o H55
2009-02-14 00:23:10 C 02 08 44.51 +70 17 11.1 o H55
2009-02-16 22:38:43 C 01 17 05.70 +67 20 35.7 c 587
2009-02-16 22:46:16 C 01 17 00.30 +67 20 07.4 c 587
2009-02-16 22:48:16 C 01 16 59.00 +67 20 00.0 c 587
2009-02-20 01:28:35 C 00 19 37.50 +61 11 26.4 o H55
2009-02-20 01:31:35 C 00 19 35.20 +61 11 05.0 o H55
2009-02-20 01:34:15 C 00 19 33.17 +61 10 46.3 o H55
2009-02-20 01:37:03 C 00 19 30.99 +61 10 26.0 o H55
2009-02-23 00:30:35 C 23 28 17.65 +50 13 37.7 o H55
2009-02-23 00:34:14 C 23 28 15.27 +50 12 51.3 o H55
2009-02-23 00:38:55 C 23 28 11.96 +50 11 53.5 o H55
2009-02-23 00:44:04 C 23 28 08.45 +50 10 48.7 o H55