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
2024-08-12 00:40:23 C 16 58 11.278 -19 51 05.76 V W68
2024-08-12 00:45:04 C 16 58 12.192 -19 51 02.70 V W68
2024-08-12 00:52:54 C 16 58 13.750 -19 50 57.95 V W68
2024-08-12 19:04:32 C 17 01 57.929 -19 39 43.74 V M22
2024-08-12 19:09:09 C 17 01 58.891 -19 39 40.75 V M22
2024-08-12 19:19:47 C 17 02 01.070 -19 39 33.08 V M22
2024-08-12 19:37:58 C 17 02 04.582 -19 39 22.28 V M22
2024-08-17 21:39:32 C 17 27 00.931 -18 21 44.82 V M22
2024-08-17 21:49:19 C 17 27 02.854 -18 21 38.59 V M22
2024-08-17 22:06:22 C 17 27 06.250 -18 21 26.96 V M22
2024-08-21 06:07:05 C 17 43 13.620 -17 29 28.72 V T05
2024-08-21 06:15:06 C 17 43 15.149 -17 29 23.46 V T05
2024-08-21 07:02:11 C 17 43 24.175 -17 28 52.07 V T05
2024-08-21 07:44:05 C 17 43 32.174 -17 28 23.59 V T08
2024-08-21 07:48:23 C 17 43 33.014 -17 28 20.60 V T08
2024-08-21 07:57:02 C 17 43 34.666 -17 28 14.84 V T08
2024-08-21 08:28:00 C 17 43 40.620 -17 27 54.14 V T08
2024-08-27 03:38:42 C 18 10 50.357 -15 55 28.74 V W68
2024-08-27 04:18:10 C 18 10 57.730 -15 55 01.85 V W68
2024-08-27 04:42:03 C 18 11 02.201 -15 54 45.61 V W68
2024-08-28 19:53:11 C 18 18 28.450 -15 29 33.79 q L05
2024-08-28 20:22:32 C 18 18 33.780 -15 29 13.63 q L05
2024-08-29 20:48:02 C 18 23 07.378 -15 12 47.02 V M22
2024-08-29 21:11:03 C 18 23 11.542 -15 12 31.79 V M22
2024-08-29 22:03:03 C 18 23 20.993 -15 11 56.65 V M22
2024-09-03 17:39:45 C 18 44 22.944 -13 57 50.69 V M22
2024-09-03 19:11:30 C 18 44 38.645 -13 56 53.02 V M22
2024-09-03 19:40:45 C 18 44 43.661 -13 56 34.51 V M22
2024-09-05 18:54:46 C 18 53 00.715 -13 27 05.15 V M22
2024-09-05 19:11:28 C 18 53 03.497 -13 26 54.82 V M22
2024-09-05 19:45:11 C 18 53 09.187 -13 26 33.68 V M22
2024-09-07 19:17:21 C 19 01 18.530 -12 57 25.96 V M22
2024-09-07 19:22:41 C 19 01 19.387 -12 57 22.68 V M22
2024-09-07 19:31:55 C 19 01 20.909 -12 57 17.24 V M22
2024-09-09 05:36:40 C 19 07 05.609 -12 37 04.04 V T08
2024-09-09 05:40:55 C 19 07 06.295 -12 37 01.49 V T08
2024-09-09 05:47:15 C 19 07 07.277 -12 36 57.67 V T08
2024-09-11 19:20:58 C 19 17 14.554 -12 00 17.86 V M22
2024-09-11 20:02:10 C 19 17 21.005 -11 59 53.70 V M22
2024-09-11 20:33:39 C 19 17 25.934 -11 59 35.56 V M22
2024-09-11 20:42:55 C 19 17 27.415 -11 59 29.98 V M22
2024-09-16 02:37:56 C 19 33 33.972 -11 01 38.42 V W68
2024-09-16 03:00:02 C 19 33 37.039 -11 01 24.24 V W68
2024-09-16 03:19:59 C 19 33 40.277 -11 01 14.34 V W68
2024-09-16 03:34:20 C 19 33 42.461 -11 01 06.85 V W68
2024-09-19 08:51:55 C 19 45 23.640 -10 19 24.31 V T05
2024-09-19 08:56:29 C 19 45 24.319 -10 19 22.01 V T05
2024-09-19 09:04:17 C 19 45 25.459 -10 19 17.51 V T05
2024-09-19 09:31:44 C 19 45 29.386 -10 19 02.82 V T05
2024-09-21 07:15:24 C 19 52 12.319 -09 54 59.00 V T08