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
2007-07-30 06:35:07 C 16 15 49.26 -21 05 37.5 t 568
2007-07-30 07:32:36 C 16 15 48.80 -21 05 41.5 t 568
2007-07-30 08:30:40 C 16 15 48.38 -21 05 45.0 t 568
2011-01-24 06:56:38 C 01 49 25.905 +11 35 47.92 L F51
2011-01-24 07:03:53 C 01 49 27.985 +11 36 01.94 L F51
2011-01-24 07:11:01 C 01 49 29.981 +11 36 15.38 L F51
2011-01-25 07:37:15 C 01 56 37.39 +12 23 07.7 o F65
2011-01-26 02:49:31 C 02 02 16.53 +12 59 26.4 o 291
2011-01-26 02:55:00 C 02 02 18.08 +12 59 37.4 o 291
2011-01-26 03:24:23 C 02 02 26.61 +13 00 32.0 o 291
2011-01-26 03:35:30 C 02 02 29.80 +13 00 52.8 o 291
2011-01-26 05:58:37 C 02 03 12.041 +13 05 28.74 L F51
2011-01-26 06:14:39 C 02 03 16.634 +13 05 58.57 L F51
2011-01-26 06:33:43 C 02 03 22.104 +13 06 34.33 L F51
2011-01-26 07:41:48 C 02 03 41.821 +13 08 41.87 o F65
2011-01-26 07:45:28 C 02 03 42.891 +13 08 48.41 o F65
2011-01-26 07:49:12 C 02 03 43.862 +13 08 53.90 o F65
2011-01-27 04:05:11 C 02 09 43.77 +13 46 36.0 o 291
2011-01-27 04:10:32 C 02 09 45.25 +13 46 45.7 o 291
2011-01-28 02:41:15 C 02 16 27.08 +14 28 03.7 o 695
2011-01-28 02:42:54 C 02 16 27.55 +14 28 06.8 o 695
2011-01-28 02:44:14 C 02 16 27.95 +14 28 09.3 o 695
2011-01-28 02:45:37 C 02 16 28.34 +14 28 11.6 o 695
2011-01-28 03:04:46 C 02 16 33.73 +14 28 45.3 o 291
2011-01-28 03:10:16 C 02 16 35.48 +14 28 55.9 o 291
2011-01-29 03:53:16 C 02 23 57.92 +15 13 18.4 o 291
2011-01-29 03:58:52 C 02 23 59.47 +15 13 28.2 o 291
2011-01-29 04:05:06 C 02 24 01.29 +15 13 38.5 o 291
2011-01-31 05:52:31 C 02 38 58.309 +16 39 50.04 o 568
2011-01-31 05:54:54 C 02 38 59.016 +16 39 54.09 o 568
2011-01-31 05:57:18 C 02 38 59.713 +16 39 58.01 o 568
2011-02-05 04:44:52 C 03 14 43.37 +19 43 26.4 o 291
2011-02-05 04:50:26 C 03 14 45.27 +19 43 34.4 o 291
2011-02-05 04:55:58 C 03 14 46.87 +19 43 41.7 o 291
2011-02-06 03:40:31 C 03 21 35.06 +20 14 55.4 o 291
2011-02-06 03:46:41 C 03 21 37.07 +20 15 03.8 o 291
2011-02-06 03:52:37 C 03 21 38.73 +20 15 12.0 o 291
2011-02-07 03:44:46 C 03 28 45.39 +20 46 28.4 o 291
2011-02-07 03:51:05 C 03 28 47.09 +20 46 36.6 o 291
2011-02-07 03:57:29 C 03 28 48.89 +20 46 46.3 o 291
2011-02-08 05:08:51 C 03 36 15.76 +21 18 07.3 o 291
2011-02-08 05:14:31 C 03 36 17.55 +21 18 13.7 o 291
2011-02-08 05:20:12 C 03 36 19.15 +21 18 20.2 o 291
2011-02-20 00:37:44 C 04 55 05.73 +25 17 26.3 o H21
2011-02-20 01:01:45 C 04 55 11.82 +25 17 37.5 o H21
2011-02-20 01:27:10 C 04 55 18.25 +25 17 49.3 o H21
2011-02-22 03:56:42 C 05 08 02.74 +25 40 33.8 o 291
2011-02-22 04:02:43 C 05 08 04.24 +25 40 36.2 o 291
2011-02-22 04:08:30 C 05 08 05.47 +25 40 38.3 o 291
2011-02-23 03:31:15 C 05 13 50.96 +25 49 24.9 o 291