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
2009-03-20 18:35:28 C 14 10 50.37 +44 15 42.4 r 379
2009-03-20 18:42:08 C 14 10 49.44 +44 15 35.8 r 379
2009-03-20 18:44:48 C 14 10 49.04 +44 15 32.9 r 379
2009-03-20 18:47:28 C 14 10 48.64 +44 15 30.5 r 379
2009-03-21 20:38:22 C 14 07 15.79 +43 48 02.0 r 240
2009-03-21 20:41:02 C 14 07 15.41 +43 47 59.2 r 240
2009-03-21 20:43:41 C 14 07 15.02 +43 47 56.5 r 240
2009-03-21 20:48:59 C 14 07 14.28 +43 47 50.9 r 240
2009-03-21 20:54:17 C 14 07 13.52 +43 47 45.4 r 240
2009-03-21 20:56:56 C 14 07 13.15 +43 47 42.5 r 240
2009-03-21 21:36:53 C 14 07 07.35 +43 46 59.3 c 127
2009-03-21 21:44:02 C 14 07 06.34 +43 46 52.0 c 127
2009-03-21 21:52:04 C 14 07 05.17 +43 46 43.3 c 127
2009-03-21 23:54:29 C 14 06 47.73 +43 44 34.4 r J27
2009-03-22 00:05:14 C 14 06 46.15 +43 44 23.0 r J27
2009-03-22 00:16:15 C 14 06 44.18 +43 44 10.4 c A24
2009-03-22 00:16:51 C 14 06 44.43 +43 44 10.5 r J27
2009-03-22 00:17:42 C 14 06 43.97 +43 44 09.0 c A24
2009-03-22 21:51:33 C 14 03 39.20 +43 19 28.3 r 157
2009-03-22 21:52:39 C 14 03 39.08 +43 19 27.0 r 157
2009-03-22 21:53:45 C 14 03 38.89 +43 19 25.8 r 157
2009-03-22 21:54:50 C 14 03 38.78 +43 19 24.7 r 157
2009-03-22 21:55:56 C 14 03 38.57 +43 19 23.5 r 157
2009-03-22 21:57:03 C 14 03 38.41 +43 19 22.2 r 157
2009-03-23 02:19:43 C 14 02 58.64 +43 14 13.3 v 204
2009-03-23 03:05:12 C 14 02 51.46 +43 13 20.6 w B40
2009-03-23 03:06:14 C 14 02 51.59 +43 13 16.9 v 204
2009-03-23 03:07:11 C 14 02 51.13 +43 13 18.3 w B40
2009-03-23 03:09:10 C 14 02 50.85 +43 13 15.6 w B40
2009-03-23 03:26:59 C 14 02 48.44 +43 12 51.4 v 204
2009-03-24 11:07:29 C 13 58 06.31 +42 33 18.9 r 703
2009-03-24 11:19:20 C 13 58 04.40 +42 33 03.6 r 703
2009-03-24 11:31:15 C 13 58 02.56 +42 32 47.0 r 703
2009-03-24 11:42:52 C 13 58 00.69 +42 32 31.3 r 703
2009-03-24 23:08:45 C 13 56 18.68 +42 17 15.8 c A24
2009-03-24 23:10:13 C 13 56 18.45 +42 17 13.6 c A24
2009-03-24 23:23:32 C 13 56 16.35 +42 16 56.0 c A24
2009-03-24 23:38:19 C 13 56 14.00 +42 16 36.2 c A24
2009-03-24 23:51:38 C 13 56 11.90 +42 16 18.4 c A24
2009-03-24 23:53:06 C 13 56 11.66 +42 16 16.5 c A24
2009-03-26 14:51:52 C 13 50 09.50 +41 20 47.9 r 379
2009-03-26 14:55:05 C 13 50 08.96 +41 20 43.1 r 379
2009-03-26 15:03:42 C 13 50 07.53 +41 20 30.3 r 379
2009-03-26 15:06:53 C 13 50 07.04 +41 20 25.8 r 379
2009-03-26 15:10:05 C 13 50 06.46 +41 20 20.7 r 379
2009-03-26 15:21:53 C 13 50 04.57 +41 20 03.1 r 379
2009-03-26 15:25:05 C 13 50 04.03 +41 19 58.6 r 379
2009-03-26 15:33:40 C 13 50 02.58 +41 19 45.9 r 379
2009-03-26 15:36:52 C 13 50 02.05 +41 19 40.9 r 379
2009-03-26 15:40:05 C 13 50 01.53 +41 19 36.1 r 379