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
2021-06-11 06:51:35 C 11 31 54.78 -07 00 52.1 V T08
2021-06-11 07:00:54 C 11 31 55.36 -07 00 52.7 V T08
2021-06-11 07:06:13 C 11 31 55.58 -07 00 53.3 V T08
2021-06-11 07:22:09 C 11 31 56.49 -07 00 55.7 V T08
2021-06-27 07:03:19 C 11 58 00.24 -08 29 33.6 V T08
2021-06-27 07:09:18 C 11 58 00.68 -08 29 35.8 V T08
2021-06-27 07:18:35 C 11 58 01.40 -08 29 38.3 V T08
2021-06-27 07:33:12 C 11 58 02.50 -08 29 43.6 V T08
2021-08-25 05:53:08 C 14 46 53.66 -18 32 54.3 V T08
2021-08-25 05:57:48 C 14 46 54.41 -18 32 56.7 V T08
2021-08-25 06:07:05 C 14 46 55.92 -18 32 59.6 V T08
2021-08-25 06:22:22 C 14 46 58.28 -18 33 05.4 V T08
2021-11-17 05:10:55 C 20 38 48.154 -13 07 29.93 U F52
2021-11-17 05:33:00 C 20 38 51.388 -13 07 15.70 U F52
2021-11-17 06:09:32 C 20 38 56.749 -13 06 52.14 U F52
2022-12-23 08:16:24 C 07 20 08.574 +24 51 09.43 V G96
2022-12-23 08:23:56 C 07 20 08.182 +24 51 09.97 V G96
2022-12-23 08:31:28 C 07 20 07.818 +24 51 10.51 V G96
2022-12-23 08:39:01 C 07 20 07.451 +24 51 09.72 V G96
2022-12-24 08:06:52 C 07 18 56.128 +24 52 21.68 V G96
2022-12-24 08:16:33 C 07 18 55.562 +24 52 22.01 V G96
2022-12-24 08:24:41 C 07 18 55.192 +24 52 21.72 V G96
2022-12-24 08:32:49 C 07 18 54.684 +24 52 22.73 V G96
2024-02-15 14:00:26 C 13 58 02.530 -20 35 15.11 X F51
2024-02-15 14:15:19 C 13 58 03.183 -20 35 22.55 X F51
2024-02-15 14:30:12 C 13 58 03.841 -20 35 29.95 X F51
2024-02-19 13:47:43 C 14 02 20.756 -21 22 50.38 X F51
2024-02-19 14:04:05 C 14 02 21.433 -21 22 58.63 X F51
2024-02-19 14:20:25 C 14 02 22.109 -21 23 06.69 X F51
2024-03-09 07:09:33 C 14 18 50.962 -25 05 02.22 V W68
2024-03-09 07:12:09 C 14 18 50.966 -25 05 03.70 V W68
2024-03-09 07:16:45 C 14 18 51.086 -25 05 05.82 V W68
2024-03-09 07:24:36 C 14 18 51.307 -25 05 09.78 V W68
2024-03-10 00:11:34 C 14 19 19.495 -25 13 22.84 V M22
2024-03-10 00:17:07 C 14 19 19.668 -25 13 25.57 V M22
2024-03-10 00:21:09 C 14 19 19.810 -25 13 27.34 V M22
2024-03-10 00:54:04 C 14 19 20.623 -25 13 44.18 V M22
2024-03-11 00:41:04 C 14 19 59.150 -25 25 22.01 V M22
2024-03-11 00:43:40 C 14 19 59.153 -25 25 23.45 V M22
2024-03-11 00:48:53 C 14 19 59.287 -25 25 26.44 V M22
2024-03-11 00:57:25 C 14 19 59.482 -25 25 30.54 V M22
2024-03-12 04:39:24 C 14 20 42.554 -25 39 01.84 V W68
2024-03-12 04:43:30 C 14 20 42.626 -25 39 03.96 V W68
2024-03-12 04:50:54 C 14 20 42.830 -25 39 08.06 V W68
2024-03-12 05:06:19 C 14 20 43.183 -25 39 15.48 V W68
2024-03-15 00:01:34 C 14 22 17.136 -26 11 49.13 V M22
2024-03-15 00:09:27 C 14 22 17.256 -26 11 53.56 V M22
2024-03-15 00:13:23 C 14 22 17.311 -26 11 54.78 V M22
2024-03-15 00:38:33 C 14 22 17.741 -26 12 07.88 V M22
2024-03-16 06:12:13 C 14 22 55.135 -26 26 25.55 V W68