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
2025-01-02 09:10:27 C 04 04 42.545 +66 10 23.59 V T08
2025-01-02 09:25:05 C 04 04 41.614 +66 10 09.77 V T08
2025-01-04 08:40:11 C 04 02 36.780 +65 26 08.30 V T05
2025-01-04 08:44:48 C 04 02 36.523 +65 26 03.59 V T05
2025-01-04 08:52:44 C 04 02 36.149 +65 25 55.78 V T05
2025-01-04 09:07:08 C 04 02 35.522 +65 25 41.99 V T05
2025-01-06 11:22:33 C 04 00 58.745 +64 36 01.66 V T08
2025-01-06 11:34:46 C 04 00 58.447 +64 35 48.44 V T08
2025-01-06 11:41:39 C 04 00 58.272 +64 35 41.32 V T08
2025-01-06 12:23:54 C 04 00 56.957 +64 34 56.06 V T08
2025-01-08 06:31:14 C 04 00 08.311 +63 51 31.91 X F51
2025-01-08 06:48:57 C 04 00 07.886 +63 51 13.33 X F51
2025-01-08 07:06:40 C 04 00 07.462 +63 50 54.75 X F51
2025-01-08 08:33:22 C 04 00 05.395 +63 49 22.48 V T05
2025-01-08 08:37:58 C 04 00 05.302 +63 49 18.01 V T05
2025-01-08 08:46:38 C 04 00 05.102 +63 49 08.33 V T05
2025-01-08 09:01:06 C 04 00 04.793 +63 48 52.52 V T05
2025-01-12 19:37:10 B 03 59 48.396 +61 51 29.34 X K35
2025-01-12 19:43:51 B 03 59 48.480 +61 51 21.28 X K35
2025-01-12 19:50:32 B 03 59 48.506 +61 51 14.11 X K35
2025-01-12 19:57:16 B 03 59 48.475 +61 51 06.19 X K35
2025-01-12 20:03:58 B 03 59 48.521 +61 50 58.45 X K35
2025-01-18 06:33:10 C 04 02 35.182 +59 16 42.13 V T08
2025-01-18 06:40:58 C 04 02 35.381 +59 16 32.74 V T08
2025-01-18 06:59:52 C 04 02 35.842 +59 16 09.34 V T08
2025-01-20 07:53:15 C 04 04 24.259 +58 15 53.06 V T05
2025-01-20 07:57:52 C 04 04 24.389 +58 15 47.34 V T05
2025-01-20 08:08:40 C 04 04 24.794 +58 15 33.01 V T05
2025-01-20 08:23:08 C 04 04 25.294 +58 15 15.08 V T05
2025-01-22 09:14:21 C 04 06 36.223 +57 13 56.39 V T08
2025-01-22 09:24:55 C 04 06 36.643 +57 13 42.53 V T08
2025-01-22 09:35:01 C 04 06 37.099 +57 13 29.39 V T08
2025-01-22 09:44:16 C 04 06 37.514 +57 13 17.44 V T08
2025-01-24 08:03:17 C 04 09 01.769 +56 14 22.56 V T05
2025-01-24 08:12:30 C 04 09 02.251 +56 14 10.79 V T05
2025-01-24 08:31:51 C 04 09 03.168 +56 13 45.34 V T05
2025-01-25 00:33:38 C 04 09 58.20 +55 53 07.7 V W46
2025-01-25 01:21:31 C 04 10 00.67 +55 52 06.3 V W46
2025-01-25 01:23:45 C 04 10 00.76 +55 52 03.5 V W46
2025-02-03 07:26:30 C 04 25 31.133 +51 00 43.92 V T08
2025-02-03 07:33:54 C 04 25 31.747 +51 00 34.06 V T08
2025-02-03 07:50:43 C 04 25 33.014 +51 00 11.30 V T08
2025-02-03 07:54:43 C 04 25 33.314 +51 00 05.87 V T08
2025-02-13 07:28:44 C 04 47 03.449 +45 39 41.87 V T05
2025-02-13 07:33:20 C 04 47 03.840 +45 39 35.06 V T05
2025-02-13 07:41:16 C 04 47 04.584 +45 39 24.88 V T05
2025-02-13 07:55:46 C 04 47 05.957 +45 39 05.40 V T05
2025-02-17 07:56:05 C 04 56 37.678 +43 30 36.14 V T05
2025-02-17 07:56:44 C 04 56 37.776 +43 30 35.14 V T05
2025-02-17 08:10:50 C 04 56 39.178 +43 30 15.37 V T05