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
2024-09-21 07:37:29 C 19 52 15.422 -09 54 47.77 V T08
2024-09-21 07:42:08 C 19 52 16.058 -09 54 45.40 V T08
2024-09-21 07:58:11 C 19 52 18.341 -09 54 36.72 V T08
2024-09-22 02:12:34 C 19 54 56.364 -09 44 54.85 V W68
2024-09-22 02:26:17 C 19 54 58.282 -09 44 47.94 V W68
2024-09-22 02:44:24 C 19 55 00.802 -09 44 38.54 V W68
2024-09-27 07:37:06 C 20 12 26.410 -08 42 34.56 V T05
2024-09-27 07:44:44 C 20 12 27.410 -08 42 31.18 V T05
2024-09-27 07:50:36 C 20 12 28.166 -08 42 28.08 V T05
2024-09-27 08:08:32 C 20 12 30.518 -08 42 19.37 V T05
2024-09-30 01:47:11 C 20 21 16.802 -08 10 48.00 V W68
2024-09-30 01:51:54 C 20 21 17.431 -08 10 46.13 V W68
2024-09-30 02:00:26 C 20 21 18.528 -08 10 42.28 V W68
2024-09-30 02:26:35 C 20 21 21.859 -08 10 29.60 V W68
2024-09-30 03:27:00 C 20 21 30.204 -08 10 18.44 V G96
2024-09-30 03:34:42 C 20 21 31.187 -08 10 14.84 V G96
2024-09-30 03:42:24 C 20 21 32.173 -08 10 11.32 V G96
2024-09-30 03:50:10 C 20 21 33.163 -08 10 07.57 V G96
2024-10-01 07:48:52 C 20 25 12.422 -07 57 02.05 V T05
2024-10-01 07:53:26 C 20 25 12.974 -07 56 59.82 V T05
2024-10-01 08:07:55 C 20 25 14.813 -07 56 52.76 V T05
2024-10-01 08:15:48 C 20 25 15.826 -07 56 48.77 V T05
2024-10-01 19:09:46 C 20 26 40.951 -07 51 32.90 V M22
2024-10-01 19:14:59 C 20 26 41.599 -07 51 30.13 V M22
2024-10-01 19:23:29 C 20 26 42.658 -07 51 26.71 V M22
2024-10-01 20:16:06 C 20 26 49.272 -07 51 02.02 V M22
2024-10-02 11:14:28 C 20 28 45.64 -07 44 26.1 V D29
2024-10-02 11:34:50 C 20 28 48.18 -07 44 16.8 V D29
2024-10-02 11:55:11 C 20 28 50.72 -07 44 07.5 V D29
2024-10-05 03:00:11 C 20 36 50.749 -07 15 34.60 V 703
2024-10-05 03:03:26 C 20 36 51.124 -07 15 32.15 V 703
2024-10-05 03:06:42 C 20 36 51.516 -07 15 30.74 V 703
2024-10-05 03:09:59 C 20 36 51.890 -07 15 30.17 V 703
2024-10-05 17:45:09 C 20 38 41.285 -07 08 43.80 V M22
2024-10-05 17:47:45 C 20 38 41.611 -07 08 42.11 V M22
2024-10-05 17:52:19 C 20 38 42.146 -07 08 40.63 V M22
2024-10-05 17:59:35 C 20 38 43.030 -07 08 36.67 V M22
2024-10-06 05:41:56 C 20 40 10.263 -07 03 38.83 X F51
2024-10-06 05:58:47 C 20 40 12.277 -07 03 31.43 X F51
2024-10-06 06:15:46 C 20 40 14.312 -07 03 23.88 X F51
2024-10-06 06:32:36 C 20 40 16.330 -07 03 16.40 X F51
2024-10-07 02:02:42 C 20 42 40.993 -06 54 42.48 V G96
2024-10-07 02:10:10 C 20 42 41.879 -06 54 39.24 V G96
2024-10-07 02:17:37 C 20 42 42.772 -06 54 35.78 V G96
2024-10-07 02:25:05 C 20 42 43.664 -06 54 32.65 V G96
2024-10-07 03:07:21 C 20 42 48.712 -06 54 13.82 V 703
2024-10-07 03:10:37 C 20 42 49.072 -06 54 12.06 V 703
2024-10-07 03:13:52 C 20 42 49.446 -06 54 10.94 V 703
2024-10-07 03:17:07 C 20 42 49.864 -06 54 09.94 V 703
2024-10-07 06:39:39 C 20 43 14.642 -06 52 37.99 V T08