256412 (2007 BT2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2237743252 ± 1.39e-08
Semi-major axis (a)1.6323880671 AU ± 3.61e-09
Inclination (i)26.86047608° ± 1.02e-06
Long. of Asc. Node (Ω)30.96489863° ± 1.08e-06
Arg. of Perihelion (ω)149.08196504° ± 5.31e-06
Mean Anomaly (M)356.59815699° ± 1.24e-05
Mean Motion (n)0.4725819817°/day ± 1.57e-09
Perihelion dist (q)1.26710153 AU ± 2.29e-08
Aphelion dist (Q)1.99767461 AU ± 2.31e-08
Orbital Period2.08561968 yr ± 6.93e-09
Physical Parameters
H (abs. magnitude)16.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.063″
Uncertainty0
Orbit TypeAmor
MOID0.290292 AU
Observations Used1364
Gaia Obs Used107
Oppositions12
Arc Total1993-2017
First Observation Used1993-10-09
Last Observation Used2024-12-03
Observations (1596)
Date Type RA Dec Mag Band Observatory
2009-04-14 22:09:45 C 12 36 41.89 +22 49 14.5 r 168
2009-04-14 22:11:15 C 12 36 41.69 +22 49 10.0 r 168
2009-04-14 23:20:23 C 12 36 32.58 +22 45 39.3 v B75
2009-04-14 23:23:36 C 12 36 32.12 +22 45 29.4 v B75
2009-04-14 23:24:42 C 12 36 31.99 +22 45 26.1 v B75
2009-04-15 11:43:35 C 12 34 52.41 +22 06 50.2 r 379
2009-04-15 12:20:00 C 12 34 47.24 +22 04 56.2 r 379
2009-04-15 12:22:39 C 12 34 46.88 +22 04 47.4 r 379
2009-04-15 12:30:59 C 12 34 45.69 +22 04 21.8 r 379
2009-04-15 12:33:39 C 12 34 45.31 +22 04 13.4 r 379
2009-04-15 12:36:19 C 12 34 44.95 +22 04 05.1 r 379
2009-04-15 12:45:08 C 12 34 43.70 +22 03 37.5 r 379
2009-04-15 12:47:49 C 12 34 43.31 +22 03 28.8 r 379
2009-04-15 12:50:29 C 12 34 42.93 +22 03 20.5 r 379
2009-04-15 20:21:35 C 12 33 42.35 +21 39 29.4 o 639
2009-04-15 20:31:24 C 12 33 41.00 +21 38 58.5 o 639
2009-04-15 20:42:16 C 12 33 39.49 +21 38 24.5 o 639
2009-04-15 20:48:25 C 12 33 38.63 +21 38 04.8 o 639
2009-04-15 20:56:24 C 12 33 37.51 +21 37 39.7 o 639
2009-04-15 22:49:44 C 12 33 21.88 +21 31 41.4 o 510
2009-04-15 22:55:03 C 12 33 21.14 +21 31 25.0 o 510
2009-04-15 23:00:18 C 12 33 20.42 +21 31 07.8 o 510
2009-04-16 06:09:51 C 12 32 23.04 +21 08 29.5 r H26
2009-04-16 06:10:35 C 12 32 22.95 +21 08 27.1 r H26
2009-04-16 06:11:20 C 12 32 22.83 +21 08 24.9 r H26
2009-04-16 06:12:04 C 12 32 22.73 +21 08 22.6 r H26
2009-04-16 06:12:49 C 12 32 22.63 +21 08 20.2 r H26
2009-04-16 06:13:33 C 12 32 22.53 +21 08 17.9 r H26
2009-04-16 06:14:17 C 12 32 22.44 +21 08 15.6 r H26
2009-04-16 06:15:01 C 12 32 22.32 +21 08 13.2 r H26
2009-04-16 06:15:46 C 12 32 22.23 +21 08 11.0 r H26
2009-04-16 06:16:30 C 12 32 22.12 +21 08 08.7 r H26
2009-04-16 06:17:14 C 12 32 22.01 +21 08 06.1 r H26
2009-04-16 06:17:58 C 12 32 21.94 +21 08 03.8 r H26
2009-04-16 06:18:42 C 12 32 21.83 +21 08 01.2 r H26
2009-04-16 06:19:26 C 12 32 21.72 +21 07 59.0 r H26
2009-04-16 06:20:09 C 12 32 21.63 +21 07 56.6 r H26
2009-04-16 06:20:53 C 12 32 21.52 +21 07 54.6 r H26
2009-04-16 06:21:37 C 12 32 21.42 +21 07 52.3 r H26
2009-04-16 06:22:21 C 12 32 21.31 +21 07 49.7 r H26
2009-04-16 06:23:06 C 12 32 21.21 +21 07 47.4 r H26
2009-04-16 06:23:49 C 12 32 21.10 +21 07 45.3 r H26
2009-04-17 05:44:13 C 12 29 19.55 +19 53 28.9 16.1 c 704
2009-04-17 06:10:59 C 12 29 15.93 +19 52 03.4 16.1 c 704
2009-04-17 06:32:40 C 12 29 13.00 +19 50 54.0 16.2 c 704
2009-04-17 06:50:53 C 12 29 10.55 +19 49 55.6 16.2 c 704
2009-04-17 07:08:22 C 12 29 08.20 +19 48 59.6 16.4 c 704
2009-04-18 14:15:08 C 12 25 14.95 +18 09 04.3 r 379
2009-04-18 14:17:49 C 12 25 14.63 +18 08 55.7 r 379
2009-04-18 14:29:49 C 12 25 13.07 +18 08 16.8 r 379