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
2009-04-18 14:32:28 C 12 25 12.76 +18 08 08.1 r 379
2009-04-18 21:18:46 C 12 24 24.30 +17 46 11.1 o J16
2009-04-18 21:29:49 C 12 24 22.92 +17 45 35.4 o J16
2009-04-18 23:40:40 C 12 24 05.99 +17 38 31.6 15.8 o 084
2009-04-19 19:48:52 C 12 21 43.94 +16 33 35.8 o B76
2009-04-19 20:35:36 C 12 21 38.32 +16 31 07.7 o B76
2009-04-19 20:53:00 C 12 21 36.25 +16 30 11.3 o B76
2009-04-20 22:28:18 C 12 18 40.40 +15 07 35.8 15.7 r 084
2009-04-20 22:30:30 C 12 18 40.14 +15 07 28.9 15.7 r 084
2009-04-21 00:00:25 C 12 18 29.91 +15 02 37.3 15.9 o 084
2009-04-21 21:12:02 C 12 16 11.54 +13 54 26.0 15.5 o 084
2009-04-21 21:53:12 C 12 16 06.51 +13 52 18.7 16.2 r C20
2009-04-22 11:42:49 C 12 14 40.06 +13 08 01.4 r 379
2009-04-22 11:45:29 C 12 14 39.76 +13 07 53.0 r 379
2009-04-22 11:55:25 C 12 14 38.67 +13 07 21.1 r 379
2009-04-22 12:08:33 C 12 14 37.20 +13 06 39.3 r 379
2009-04-22 12:11:13 C 12 14 36.91 +13 06 30.5 r 379
2009-04-22 21:57:30 C 12 13 35.83 +12 35 10.1 c A53
2009-04-22 22:02:46 C 12 13 35.31 +12 34 53.7 c A53
2009-04-22 22:06:27 C 12 13 34.90 +12 34 42.0 c A53
2009-04-22 22:18:01 C 12 13 33.63 +12 34 04.6 c A53
2009-04-23 06:20:51 C 12 12 44.10 +12 08 26.6 r H45
2009-04-23 06:22:52 C 12 12 43.89 +12 08 20.0 r H45
2009-04-23 06:24:17 C 12 12 43.73 +12 08 15.7 r H45
2009-04-23 06:26:36 C 12 12 43.49 +12 08 08.1 r H45
2009-04-23 06:27:30 C 12 12 43.39 +12 08 05.3 r H45
2009-04-23 10:46:56 C 12 12 18.93 +11 54 19.4 r 379
2009-04-23 11:04:05 C 12 12 17.11 +11 53 25.1 r 379
2009-04-23 11:06:44 C 12 12 16.83 +11 53 16.4 r 379
2009-04-23 11:09:24 C 12 12 16.57 +11 53 08.3 r 379
2009-04-24 20:21:56 C 12 09 03.62 +10 07 58.4 w 160
2009-04-24 20:24:36 C 12 09 03.35 +10 07 49.9 w 160
2009-04-24 20:27:40 C 12 09 03.05 +10 07 40.3 w 160
2009-04-24 21:07:29 C 12 08 59.00 +10 05 31.4 o B76
2009-04-24 21:24:54 C 12 08 57.31 +10 04 36.1 o B76
2009-04-24 21:59:45 C 12 08 53.88 +10 02 46.3 o B76
2009-04-25 23:53:33 C 12 06 32.69 +08 41 51.9 15.8 o 084
2009-04-26 05:50:13 C 12 06 01.94 +08 23 36.1 16.5 c 704
2009-04-26 06:05:22 C 12 06 00.56 +08 22 49.3 16.8 c 704
2009-04-26 06:20:31 C 12 05 59.13 +08 22 02.3 16.6 c 704
2009-04-26 06:35:30 C 12 05 57.74 +08 21 16.0 16.5 c 704
2009-04-26 06:50:43 C 12 05 56.32 +08 20 28.8 16.7 c 704
2009-04-26 10:50:09 C 12 05 36.96 +08 08 08.4 r 379
2009-04-26 11:02:21 C 12 05 35.82 +08 07 30.9 r 379
2009-04-26 11:08:06 C 12 05 35.29 +08 07 13.6 r 379
2009-04-26 11:10:45 C 12 05 35.07 +08 07 05.3 r 379
2009-04-26 11:13:25 C 12 05 34.83 +08 06 57.0 r 379
2009-04-26 11:29:11 C 12 05 33.37 +08 06 08.0 r 379
2009-04-26 11:31:50 C 12 05 33.11 +08 05 59.8 r 379
2009-04-26 19:42:07 C 12 04 50.78 +07 40 47.6 16.3 r C20