31346 (1998 PB1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4295369353 ± 1.38e-08
Semi-major axis (a)2.0317058364 AU ± 3.90e-10
Inclination (i)5.96560714° ± 1.46e-06
Long. of Asc. Node (Ω)299.67971278° ± 1.18e-05
Arg. of Perihelion (ω)350.65365124° ± 1.18e-05
Mean Anomaly (M)164.42707883° ± 1.87e-06
Mean Motion (n)0.3403463002°/day ± 9.80e-11
Perihelion dist (q)1.15901314 AU ± 2.79e-08
Aphelion dist (Q)2.90439853 AU ± 2.80e-08
Orbital Period2.89595122 yr ± 8.34e-10
Physical Parameters
H (abs. magnitude)17.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.305″
Uncertainty0
Orbit TypeAmor
MOID0.141931 AU
Observations Used1028
Oppositions18
Arc Total1998-2026
First Observation Used1998-07-14
Last Observation Used2026-01-08
Observations (1111)
Date Type RA Dec Mag Band Observatory
2015-01-18 12:02:59 C 10 48 29.00 +03 20 44.4 o 691
2015-01-18 12:03:40 C 10 48 29.228 +03 20 45.46 L F51
2015-02-11 06:22:10 C 10 29 05.05 +03 57 44.5 o 691
2015-02-11 07:04:03 C 10 29 03.00 +03 57 50.4 o 691
2015-02-11 07:33:12 C 10 29 01.58 +03 57 54.8 o 691
2015-02-15 09:56:51 C 10 24 12.275 +04 13 38.45 L F51
2015-02-15 10:14:38 C 10 24 11.346 +04 13 41.61 L F51
2015-02-15 10:32:24 C 10 24 10.415 +04 13 44.77 L F51
2015-02-15 10:50:08 C 10 24 09.491 +04 13 47.59 L F51
2015-02-16 18:49:08 C 10 22 31.32 +04 19 22.5 q D29
2015-02-16 19:14:32 C 10 22 29.91 +04 19 27.4 q D29
2015-02-16 19:39:56 C 10 22 28.58 +04 19 31.7 q D29
2015-02-21 08:13:05 C 10 16 45.15 +04 40 05.6 q 703
2015-02-21 08:20:19 C 10 16 44.71 +04 40 07.1 q 703
2015-02-21 08:34:49 C 10 16 43.79 +04 40 11.5 q 703
2015-03-16 07:10:33 C 09 47 53.05 +06 40 00.5 R G45
2015-03-16 07:20:39 C 09 47 52.66 +06 40 02.4 R G45
2015-03-16 07:34:00 C 09 47 52.02 +06 40 06.0 R G45
2015-03-16 07:45:24 C 09 47 51.49 +06 40 08.0 R G45
2015-03-16 07:55:24 C 09 47 51.02 +06 40 10.1 R G45
2015-03-17 04:38:33 C 09 46 55.05 +06 44 29.7 q G96
2015-03-17 04:45:40 C 09 46 54.73 +06 44 31.2 q G96
2015-03-17 04:52:45 C 09 46 54.38 +06 44 32.7 q G96
2015-03-17 04:59:51 C 09 46 54.05 +06 44 34.2 q G96
2015-03-17 07:20:02 C 09 46 47.63 +06 45 02.8 R G45
2015-03-17 07:32:41 C 09 46 46.96 +06 45 05.2 R G45
2015-03-17 07:44:05 C 09 46 46.43 +06 45 07.7 R G45
2015-03-17 07:54:05 C 09 46 45.94 +06 45 09.8 R G45
2015-04-09 07:33:58 C 09 30 23.849 +08 10 37.51 L F51
2015-04-09 07:52:13 C 09 30 23.584 +08 10 39.20 L F51
2015-04-09 08:10:33 C 09 30 23.327 +08 10 41.06 L F51
2018-01-20 10:25:06 C 11 34 13.16 -02 34 56.3 o 691
2018-01-20 10:57:02 C 11 34 13.00 -02 35 01.4 o 691
2018-01-20 11:29:00 C 11 34 12.85 -02 35 05.9 o 691
2018-02-11 12:11:56 C 11 24 43.045 -03 12 21.86 U F51
2018-02-11 12:28:09 C 11 24 42.479 -03 12 21.52 U F51
2018-02-11 12:44:18 C 11 24 41.914 -03 12 21.27 U F51
2018-02-11 13:00:26 C 11 24 41.348 -03 12 20.87 U F51
2018-02-26 06:57:49 C 11 09 36.54 -02 42 10.8 U G96
2018-02-26 07:05:18 C 11 09 36.15 -02 42 09.9 U G96
2018-02-26 07:12:45 C 11 09 35.76 -02 42 08.8 U G96
2018-02-26 07:21:54 C 11 09 35.25 -02 42 07.2 U G96
2018-03-09 07:28:52 C 10 55 09.60 -01 51 36.7 U 703
2018-03-09 07:36:25 C 10 55 09.20 -01 51 34.9 U 703
2018-03-09 07:51:31 C 10 55 08.39 -01 51 32.8 U 703
2018-03-20 05:50:07 C 10 40 13.22 -00 45 35.2 U G96
2018-03-20 05:57:33 C 10 40 12.78 -00 45 33.2 U G96
2018-03-20 06:03:09 C 10 40 12.49 -00 45 32.4 U 703
2018-03-20 06:04:58 C 10 40 12.38 -00 45 31.2 U G96
2018-03-20 06:11:22 C 10 40 11.98 -00 45 29.7 U 703