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
2024-06-08 02:16:11 C 13 37 34.219 -30 17 23.53 V W68
2024-06-08 02:26:53 C 13 37 34.325 -30 17 19.18 V W68
2024-06-08 02:41:38 C 13 37 34.414 -30 17 14.10 V W68
2024-06-09 03:33:32 C 13 38 00.005 -30 08 02.29 V W68
2024-06-09 03:38:09 C 13 38 00.058 -30 08 00.42 V W68
2024-06-09 03:46:08 C 13 38 00.151 -30 07 57.07 V W68
2024-06-10 20:36:16 B 13 38 55.578 -29 53 20.86 V L92
2024-06-10 20:46:22 B 13 38 55.669 -29 53 16.00 V L92
2024-06-10 20:52:27 B 13 38 55.887 -29 53 15.23 V L92
2024-06-12 17:59:15 C 13 40 15.370 -29 36 12.20 X L68
2024-06-12 18:10:03 C 13 40 15.653 -29 36 08.21 X L68
2024-06-12 18:19:39 C 13 40 15.890 -29 36 04.72 X L68
2024-06-20 03:29:40 C 13 48 27.583 -28 32 19.57 V W68
2024-06-20 03:35:40 C 13 48 27.912 -28 32 17.41 V W68
2024-06-20 04:20:54 C 13 48 30.403 -28 31 59.95 V W68
2024-06-26 19:47:17 C 14 00 09.254 -27 37 22.62 V M22
2024-06-26 19:51:21 C 14 00 09.564 -27 37 21.11 V M22
2024-06-26 20:05:43 C 14 00 10.697 -27 37 15.96 V M22
2024-06-26 20:13:39 C 14 00 11.318 -27 37 13.12 V M22
2024-06-29 01:35:46 C 14 04 59.040 -27 19 25.46 V W68
2024-06-29 01:40:24 C 14 04 59.436 -27 19 23.77 V W68
2024-06-29 01:51:06 C 14 05 00.362 -27 19 19.88 V W68
2024-06-29 02:08:25 C 14 05 01.850 -27 19 13.87 V W68
2024-07-02 01:37:15 C 14 12 09.648 -26 55 36.73 V W68
2024-07-02 01:39:12 C 14 12 09.830 -26 55 36.12 V W68
2024-07-02 01:42:34 C 14 12 10.159 -26 55 35.04 V W68
2024-07-02 01:44:32 C 14 12 10.349 -26 55 34.32 V W68
2024-07-02 01:51:47 C 14 12 11.057 -26 55 31.73 V W68
2024-07-02 01:53:45 C 14 12 11.246 -26 55 31.04 V W68
2024-07-02 02:36:16 C 14 12 15.430 -26 55 15.92 V W68
2024-07-02 02:38:14 C 14 12 15.614 -26 55 15.20 V W68
2024-07-03 01:13:30 C 14 14 41.664 -26 47 51.43 V W68
2024-07-03 01:17:40 C 14 14 42.098 -26 47 49.88 V W68
2024-07-03 01:25:08 C 14 14 42.857 -26 47 47.33 V W68
2024-07-03 01:42:46 C 14 14 44.626 -26 47 41.39 V W68
2024-07-04 17:51:37 C 14 19 15.551 -26 34 58.34 W M01
2024-07-04 18:04:58 C 14 19 17.012 -26 34 54.68 W M01
2024-07-07 01:19:55 C 14 25 54.166 -26 16 18.12 V W68
2024-07-07 01:27:26 C 14 25 55.034 -26 16 15.49 V W68
2024-07-07 01:42:36 C 14 25 56.806 -26 16 10.27 V W68
2024-07-09 10:19:37 B 14 33 14.00 -25 57 27.0 q Q73
2024-07-09 10:24:45 B 14 33 14.47 -25 57 24.1 q Q73
2024-07-09 10:25:46 B 14 33 14.72 -25 57 23.8 q Q73
2024-07-09 11:57:09 B 14 33 26.18 -25 56 51.5 q Q73
2024-07-09 12:02:38 B 14 33 26.94 -25 56 49.6 q Q73
2024-07-09 12:11:40 B 14 33 28.04 -25 56 45.9 q Q73
2024-07-10 01:39:36 C 14 35 17.047 -25 52 20.24 V W68
2024-07-10 01:45:33 C 14 35 17.798 -25 52 18.08 V W68
2024-07-10 01:53:33 C 14 35 18.811 -25 52 15.20 V W68
2024-07-14 01:00:47 C 14 48 51.878 -25 19 54.19 V W68