471240 (2011 BT15)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3024536459 ± 1.15e-08
Semi-major axis (a)1.2929263932 AU ± 2.16e-09
Inclination (i)1.66185886° ± 1.71e-06
Long. of Asc. Node (Ω)105.35143364° ± 1.82e-05
Arg. of Perihelion (ω)308.82509390° ± 1.86e-05
Mean Anomaly (M)55.46517708° ± 8.64e-06
Mean Motion (n)0.6704271210°/day ± 1.68e-09
Perihelion dist (q)0.90187609 AU ± 1.49e-08
Aphelion dist (Q)1.68397669 AU ± 1.51e-08
Orbital Period1.47014680 yr ± 3.68e-09
Physical Parameters
H (abs. magnitude)21.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.268″
Uncertainty0
Orbit TypeApollo
MOID0.000517 AU
Observations Used224
Oppositions5
Arc Total2007-2023
First Observation Used2007-07-30
Last Observation Used2023-04-25
Observations (243)
Date Type RA Dec Mag Band Observatory
2011-02-23 03:36:58 C 05 13 52.29 +25 49 26.6 o 291
2011-02-25 03:25:56 C 05 25 20.92 +26 04 14.2 o 291
2011-02-25 03:31:48 C 05 25 22.32 +26 04 14.5 o 291
2011-02-26 06:19:42 C 05 31 37.953 +26 10 52.26 o F65
2011-02-26 06:22:29 C 05 31 38.561 +26 10 52.43 o F65
2011-02-26 06:23:53 C 05 31 38.878 +26 10 52.74 o F65
2011-02-26 06:25:16 C 05 31 39.231 +26 10 51.88 o F65
2011-02-26 06:26:39 C 05 31 39.539 +26 10 53.55 o F65
2011-02-26 06:28:03 C 05 31 39.941 +26 10 53.51 o F65
2011-02-26 06:29:26 C 05 31 40.15 +26 10 54.2 o F65
2011-03-01 05:19:38 C 05 47 37.46 +26 22 34.6 o 291
2011-03-01 05:32:12 C 05 47 40.25 +26 22 35.9 o 291
2011-03-01 05:39:40 C 05 47 41.72 +26 22 36.5 o 291
2011-03-01 05:42:03 C 05 47 42.26 +26 22 36.3 o H01
2011-03-01 06:01:13 C 05 47 46.40 +26 22 37.8 o H01
2011-03-01 06:07:28 C 05 47 47.75 +26 22 38.3 o H01
2011-03-01 06:15:53 C 05 47 49.57 +26 22 39.0 o H01
2011-03-03 02:59:57 C 05 57 29.78 +26 26 25.6 o 695
2011-03-03 03:02:40 C 05 57 30.32 +26 26 25.7 o 695
2011-03-03 03:05:04 C 05 57 30.85 +26 26 25.8 o 695
2011-03-04 03:57:18 C 06 02 44.32 +26 27 21.4 o 291
2011-03-04 04:09:40 C 06 02 46.79 +26 27 22.5 o 291
2011-03-04 04:22:35 C 06 02 49.38 +26 27 21.7 o 291
2011-03-04 04:35:03 C 06 02 51.92 +26 27 21.9 o 291
2011-03-06 04:46:06 C 06 12 43.10 +26 27 03.0 o 291
2011-03-06 04:57:41 C 06 12 45.23 +26 27 03.3 o 291
2011-04-03 08:34:40 C 08 01 31.824 +23 28 59.24 U T12
2011-04-03 08:40:03 C 08 01 32.514 +23 28 56.93 U T12
2011-04-03 08:45:25 C 08 01 33.198 +23 28 54.60 U T12
2013-06-10 09:27:13 C 20 22 44.76 -18 40 58.9 o 695
2013-06-10 09:43:21 C 20 22 44.77 -18 40 59.5 o 695
2013-06-10 09:57:48 C 20 22 44.74 -18 41 00.3 o 695
2013-06-10 10:03:31 C 20 22 44.75 -18 41 00.7 o 695
2013-06-10 10:09:15 C 20 22 44.78 -18 41 01.1 o 695
2013-06-10 10:20:41 C 20 22 44.81 -18 41 01.4 o 695
2013-06-10 10:36:36 C 20 22 44.82 -18 41 02.0 o 695
2013-06-10 10:52:20 C 20 22 44.84 -18 41 02.8 o 695
2013-06-10 10:58:12 C 20 22 44.82 -18 41 02.9 o 695
2013-06-10 11:03:55 C 20 22 44.83 -18 41 03.7 o 695
2013-06-11 10:09:11 C 20 22 49.93 -18 42 12.9 o 695
2013-06-11 10:19:54 C 20 22 49.92 -18 42 13.5 o 695
2013-06-11 10:53:13 C 20 22 49.87 -18 42 15.4 o 695
2013-06-11 11:03:57 C 20 22 49.89 -18 42 15.9 o 695
2013-06-16 08:03:33 C 20 22 30.00 -18 51 29.0 o 695
2013-06-16 09:16:20 C 20 22 29.08 -18 51 37.2 o 695
2013-06-16 09:57:42 C 20 22 28.56 -18 51 41.4 o 695
2013-06-16 10:32:56 C 20 22 28.10 -18 51 45.1 o 695
2013-06-16 11:04:18 C 20 22 27.72 -18 51 48.4 o 695
2013-07-04 10:33:38 C 20 08 26.991 -20 20 55.03 L F51
2013-07-04 10:51:43 C 20 08 25.838 -20 21 00.64 L F51