31221 (1998 BP26)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2569976914 ± 2.85e-08
Semi-major axis (a)1.7232698844 AU ± 1.25e-09
Inclination (i)20.21787331° ± 2.90e-06
Long. of Asc. Node (Ω)331.00578191° ± 3.34e-06
Arg. of Perihelion (ω)186.78961271° ± 6.50e-06
Mean Anomaly (M)99.22913393° ± 5.63e-06
Mean Motion (n)0.4356947517°/day ± 4.75e-10
Perihelion dist (q)1.28039350 AU ± 4.91e-08
Aphelion dist (Q)2.16614627 AU ± 4.92e-08
Orbital Period2.26219453 yr ± 2.47e-09
Physical Parameters
H (abs. magnitude)17.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.348″
Uncertainty0
Orbit TypeAmor
MOID0.292311 AU
Observations Used1148
Gaia Obs Used43
Oppositions10
Arc Total1998-2025
First Observation Used1998-01-29
Last Observation Used2025-04-26
Observations (1208)
Date Type RA Dec Mag Band Observatory
2007-02-20 00:52:56 C 09 47 14.50 +16 37 10.6 c A24
2007-02-20 00:54:25 C 09 47 14.33 +16 37 06.9 c A24
2007-02-20 21:42:36 C 09 44 57.05 +15 46 16.2 c A24
2007-02-20 21:44:04 C 09 44 56.89 +15 46 12.7 c A24
2007-02-20 22:38:22 C 09 44 50.56 +15 43 59.9 c A24
2007-02-20 22:39:50 C 09 44 50.40 +15 43 56.4 c A24
2007-02-20 22:53:55 C 09 44 48.74 +15 43 21.6 r 203
2007-02-20 23:34:55 C 09 44 43.97 +15 41 41.5 c A24
2007-02-20 23:38:18 C 09 44 43.57 +15 41 32.7 r 203
2007-02-22 06:39:25 C 09 41 21.25 +14 25 23.1 15.7 c 704
2007-02-22 06:56:24 C 09 41 19.30 +14 24 41.4 15.8 c 704
2007-02-22 07:13:57 C 09 41 17.30 +14 23 58.1 15.9 c 704
2007-02-22 07:30:46 C 09 41 15.36 +14 23 16.1 16.0 c 704
2007-02-22 07:48:08 C 09 41 13.37 +14 22 33.5 15.9 c 704
2007-02-22 08:10:27 C 09 41 10.42 +14 21 36.8 r H45
2007-02-22 08:11:50 C 09 41 10.27 +14 21 33.2 r H45
2007-02-22 08:16:03 C 09 41 09.78 +14 21 22.9 r H45
2007-02-22 08:17:37 C 09 41 09.60 +14 21 18.9 r H45
2007-02-22 08:18:52 C 09 41 09.46 +14 21 15.8 r H45
2007-02-22 21:46:49 C 09 39 44.67 +13 48 00.3 c A24
2007-02-22 22:17:07 C 09 39 41.26 +13 46 45.6 c A24
2007-02-22 22:33:26 C 09 39 39.42 +13 46 05.4 c A24
2007-02-22 22:48:12 C 09 39 37.76 +13 45 29.0 c A24
2007-02-22 22:49:41 C 09 39 37.60 +13 45 25.5 c A24
2007-02-22 23:25:38 C 09 39 33.57 +13 43 56.8 c A24
2007-02-22 23:44:13 C 09 39 31.47 +13 43 10.8 c A24
2007-02-22 23:45:41 C 09 39 31.32 +13 43 07.2 c A24
2007-02-23 00:02:58 C 09 39 29.38 +13 42 24.6 c A24
2007-02-23 00:21:43 C 09 39 27.29 +13 41 38.1 c A24
2007-02-23 00:39:02 C 09 39 25.35 +13 40 55.2 c A24
2007-02-23 00:40:28 C 09 39 25.20 +13 40 51.5 c A24
2007-02-23 00:52:22 C 09 39 23.86 +13 40 22.3 c A24
2007-02-23 02:32:38 C 09 39 12.94 +13 36 06.3 15.4 r 084
2007-02-23 05:20:49 C 09 38 56.83 +13 29 25.6 r G96
2007-02-23 05:28:43 C 09 38 55.96 +13 29 06.3 r G96
2007-02-23 05:36:36 C 09 38 55.06 +13 28 46.9 r G96
2007-02-23 05:44:34 C 09 38 54.16 +13 28 27.2 r G96
2007-02-23 06:31:29 C 09 38 48.75 +13 26 32.1 16.3 c 704
2007-02-23 06:48:01 C 09 38 46.88 +13 25 51.4 16.3 c 704
2007-02-23 07:04:35 C 09 38 44.98 +13 25 10.7 16.5 c 704
2007-02-23 07:21:06 C 09 38 43.15 +13 24 29.8 16.5 c 704
2007-02-23 07:37:37 C 09 38 41.32 +13 23 48.7 16.6 c 704
2007-02-23 22:52:25 C 09 37 05.78 +12 46 00.0 15.4 r 084
2007-02-23 22:55:34 C 09 37 05.44 +12 45 52.4 15.5 r 084
2007-02-25 06:47:47 C 09 33 50.87 +11 27 33.4 c 670
2007-02-25 06:52:04 C 09 33 50.41 +11 27 23.0 c 670
2007-02-25 09:42:07 C 09 33 32.23 +11 20 24.2 c 670
2007-02-25 09:47:50 C 09 33 31.62 +11 20 10.0 c 670
2007-02-26 00:54:56 C 09 32 01.94 +10 42 54.1 15.4 r 084
2007-02-26 00:58:06 C 09 32 01.62 +10 42 46.7 15.4 r 084