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
2021-05-08 07:41:57 C 11 10 43.22 -07 18 43.5 V T05
2021-05-08 07:56:35 C 11 10 43.08 -07 18 41.0 V T05
2021-05-08 08:00:33 C 11 10 43.09 -07 18 40.0 V T05
2021-05-08 08:05:10 C 11 10 43.00 -07 18 38.7 V T05
2021-05-08 08:11:47 C 11 10 42.93 -07 18 37.8 V T05
2021-05-08 08:15:45 C 11 10 42.92 -07 18 37.1 V T05
2021-05-08 08:33:01 C 11 10 42.75 -07 18 33.9 V T05
2021-05-10 07:34:42 C 11 10 28.67 -07 09 35.4 V T08
2021-05-10 07:42:40 C 11 10 28.65 -07 09 34.2 V T08
2021-05-10 07:47:18 C 11 10 28.59 -07 09 33.4 V T08
2021-05-10 08:05:16 C 11 10 28.50 -07 09 29.5 V T08
2021-05-14 07:08:32 C 11 10 35.34 -06 54 13.0 V T08
2021-05-14 07:11:52 C 11 10 35.36 -06 54 12.6 V T08
2021-05-14 07:22:29 C 11 10 35.39 -06 54 13.5 V T08
2021-05-14 07:23:08 C 11 10 35.37 -06 54 11.4 V T08
2021-05-14 07:29:07 C 11 10 35.42 -06 54 10.1 V T08
2021-05-14 07:39:04 C 11 10 35.44 -06 54 09.4 V T08
2021-05-14 07:44:22 C 11 10 35.47 -06 54 08.0 V T08
2021-05-16 07:09:39 C 11 10 56.54 -06 47 59.1 V T05
2021-05-16 07:14:22 C 11 10 56.56 -06 47 59.5 V T05
2021-05-16 07:25:35 C 11 10 56.58 -06 47 57.6 V T05
2021-05-16 07:41:30 C 11 10 56.73 -06 47 56.2 V T05
2021-05-18 07:24:18 C 11 11 29.46 -06 42 47.0 V T08
2021-05-18 07:29:40 C 11 11 29.50 -06 42 45.6 V T08
2021-05-18 07:37:37 C 11 11 29.61 -06 42 45.1 V T08
2021-05-18 08:02:13 C 11 11 29.87 -06 42 42.8 V T08
2021-05-31 04:21:48 C 11 19 26.09 -06 34 22.0 V 703
2021-05-31 04:29:28 C 11 19 26.26 -06 34 22.3 V 703
2021-05-31 04:44:49 C 11 19 26.90 -06 34 22.5 V 703
2021-06-01 07:55:02 C 11 20 29.51 -06 35 38.9 V T05
2021-06-01 07:59:41 C 11 20 29.67 -06 35 39.6 V T05
2021-06-01 08:10:16 C 11 20 30.06 -06 35 39.8 V T05
2021-06-01 08:26:08 C 11 20 30.67 -06 35 40.3 V T05
2021-06-07 04:17:05 C 11 26 43.59 -06 47 32.4 V 703
2021-06-07 04:41:27 C 11 26 44.75 -06 47 35.1 V 703
2021-06-07 06:38:11 C 11 26 50.57 -06 47 45.5 V T08
2021-06-07 06:42:51 C 11 26 50.80 -06 47 46.0 V T08
2021-06-07 06:50:49 C 11 26 51.18 -06 47 48.6 V T08
2021-06-07 07:08:07 C 11 26 52.02 -06 47 49.7 V T08
2021-06-09 06:30:57 C 11 29 17.29 -06 53 47.9 V T05
2021-06-09 06:36:56 C 11 29 17.62 -06 53 48.4 V T05
2021-06-09 06:46:50 C 11 29 18.12 -06 53 50.4 V T05
2021-06-09 07:05:21 C 11 29 18.92 -06 53 52.3 V T05
2021-06-11 03:43:46 C 11 31 44.36 -07 00 23.8 V G96
2021-06-11 03:51:13 C 11 31 44.77 -07 00 24.8 V G96
2021-06-11 03:58:40 C 11 31 45.17 -07 00 26.2 V G96
2021-06-11 04:06:06 C 11 31 45.59 -07 00 27.0 V G96
2021-06-11 04:22:23 C 11 31 46.43 -07 00 30.0 V 703
2021-06-11 04:31:05 C 11 31 46.96 -07 00 30.9 V 703
2021-06-11 04:48:49 C 11 31 47.75 -07 00 33.0 V 703