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
1998-01-28 15:16:49 C 12 30 48.95 +02 54 03.0 c 566
1998-01-28 15:32:30 C 12 30 49.14 +02 53 32.7 c 566
1998-01-28 15:46:46 C 12 30 49.38 +02 53 04.6 c 566
1998-01-29 15:17:09 C 12 31 12.15 +02 06 42.4 c 566
1998-01-29 15:31:13 C 12 31 12.30 +02 06 14.5 c 566
1998-01-29 15:44:50 C 12 31 12.43 +02 05 47.5 c 566
1998-01-29 23:20:26 C 12 31 20.10 +01 50 30.5 046
1998-01-29 23:22:23 C 12 31 20.14 +01 50 26.6 046
1998-01-29 23:24:35 C 12 31 20.16 +01 50 22.3 046
1998-01-30 06:48:44 C 12 31 26.37 +01 35 34.7 z 734
1998-01-30 07:58:28 C 12 31 26.98 +01 33 13.9 z 734
1998-01-30 08:23:57 C 12 31 27.31 +01 32 22.8 z 734
1998-01-30 17:55:01 C 12 31 34.19 +01 13 12.0 z 900
1998-01-30 18:13:12 C 12 31 34.35 +01 12 34.6 z 900
1998-01-30 22:22:29 C 12 31 38.06 +01 04 06.4 z 587
1998-01-30 22:26:49 C 12 31 38.07 +01 03 57.8 z 587
1998-01-30 22:35:10 C 12 31 38.17 +01 03 39.5 z 587
1998-01-31 00:33:16 C 12 31 39.19 +00 59 40.1 046
1998-01-31 00:36:31 C 12 31 39.19 +00 59 33.2 046
1998-01-31 00:38:45 C 12 31 39.18 +00 59 28.1 046
1998-01-31 15:45:10 C 12 31 48.97 +00 28 39.9 z 897
1998-01-31 15:56:12 C 12 31 49.02 +00 28 17.1 z 897
1998-01-31 16:03:21 C 12 31 49.01 +00 28 02.5 z 897
1998-01-31 17:44:30 C 12 31 49.77 +00 24 35.2 360
1998-01-31 17:50:59 C 12 31 49.78 +00 24 22.0 360
1998-01-31 17:56:30 C 12 31 49.82 +00 24 10.5 360
1998-02-01 04:58:35 C 12 31 54.90 +00 01 20.0 z 118
1998-02-01 05:00:59 C 12 31 54.91 +00 01 15.0 z 118
1998-02-01 05:03:03 C 12 31 54.90 +00 01 10.8 z 118
1998-02-01 15:34:51 C 12 32 00.91 -00 20 16.1 z 422
1998-02-01 15:37:22 C 12 32 00.94 -00 20 21.8 z 422
1998-02-01 15:39:52 C 12 32 00.94 -00 20 26.8 z 422
1998-02-01 23:47:37 C 12 32 04.22 -00 37 52.6 557
1998-02-01 23:49:58 C 12 32 04.20 -00 37 56.1 557
1998-02-01 23:52:20 C 12 32 04.24 -00 38 02.8 557
1998-02-04 05:02:05 C 12 32 13.25 -02 31 18.0 z 118
1998-02-04 05:06:52 C 12 32 13.24 -02 31 29.0 z 118
1998-02-04 18:32:30 C 12 32 13.39 -03 00 36.9 360
1998-02-04 18:36:29 C 12 32 13.38 -03 00 45.7 360
1998-02-04 18:40:30 C 12 32 13.36 -03 00 54.2 360
1998-02-06 03:49:18 C 12 32 06.27 -04 13 58.8 z 118
1998-02-06 03:53:34 C 12 32 06.22 -04 14 08.3 z 118
1998-02-06 18:04:59 C 12 32 01.51 -04 45 45.2 360
1998-02-06 18:09:59 C 12 32 01.44 -04 45 56.5 360
1998-02-06 18:13:59 C 12 32 01.40 -04 46 05.7 360
1998-02-07 01:39:19 C 12 31 58.16 -05 02 48.8 046
1998-02-07 01:41:09 C 12 31 58.15 -05 02 53.2 046
1998-02-07 01:44:35 C 12 31 58.10 -05 03 00.7 046
1998-02-07 02:07:37 C 12 31 57.86 -05 03 50.9 z 468
1998-02-07 02:19:40 C 12 31 57.75 -05 04 17.4 z 468