353938 (1998 QR15)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5584874298 ± 1.21e-08
Semi-major axis (a)2.7690201995 AU ± 1.29e-09
Inclination (i)9.44754907° ± 1.97e-06
Long. of Asc. Node (Ω)320.07138133° ± 8.24e-06
Arg. of Perihelion (ω)57.05125124° ± 1.39e-05
Mean Anomaly (M)320.81880749° ± 1.91e-06
Mean Motion (n)0.2139060610°/day ± 1.49e-10
Perihelion dist (q)1.22255723 AU ± 3.36e-08
Aphelion dist (Q)4.31548317 AU ± 3.37e-08
Orbital Period4.60775295 yr ± 3.22e-09
Physical Parameters
H (abs. magnitude)18.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.364″
Uncertainty0
Orbit TypeAmor
MOID0.262430 AU
Observations Used1447
Oppositions19
Arc Total1998-2022
First Observation Used1998-08-17
Last Observation Used2022-01-22
Observations (1981)
Date Type RA Dec Mag Band Observatory
2021-10-30 04:20:33 C 23 39 40.98 +40 40 42.1 V 703
2021-10-30 04:28:57 C 23 39 41.86 +40 40 45.5 V 703
2021-10-30 04:46:01 C 23 39 43.51 +40 40 52.1 V 703
2021-10-31 07:55:47 C 23 42 45.61 +40 51 50.1 V T08
2021-10-31 08:01:46 C 23 42 46.25 +40 51 52.3 V T08
2021-10-31 08:10:25 C 23 42 47.13 +40 51 55.4 V T08
2021-10-31 08:27:01 C 23 42 48.84 +40 52 01.5 V T08
2021-11-04 03:43:53 C 23 53 29.43 +41 19 59.6 V G96
2021-11-04 03:52:06 C 23 53 30.36 +41 20 01.7 V G96
2021-11-04 04:00:23 C 23 53 31.28 +41 20 03.7 V G96
2021-11-04 04:08:43 C 23 53 32.22 +41 20 06.1 V G96
2021-11-04 08:44:13 C 23 54 04.49 +41 21 15.3 V T08
2021-11-04 08:44:53 C 23 54 04.57 +41 21 15.3 V T08
2021-11-04 08:48:52 C 23 54 04.98 +41 21 14.2 V T08
2021-11-04 08:49:32 C 23 54 05.10 +41 21 16.6 V T08
2021-11-04 08:58:12 C 23 54 06.09 +41 21 18.1 V T08
2021-11-04 09:15:27 C 23 54 07.98 +41 21 21.5 V T08
2021-11-04 09:16:07 C 23 54 08.07 +41 21 21.9 V T08
2021-11-05 03:50:01 C 23 56 24.62 +41 25 20.2 V 703
2021-11-05 03:58:17 C 23 56 25.58 +41 25 22.2 V 703
2021-11-05 04:06:26 C 23 56 26.43 +41 25 24.0 V 703
2021-11-05 04:14:56 C 23 56 27.48 +41 25 25.6 V 703
2021-11-06 03:54:38 C 23 59 21.98 +41 29 50.8 V 703
2021-11-06 04:02:51 C 23 59 22.92 +41 29 52.8 V 703
2021-11-06 04:11:39 C 23 59 24.02 +41 29 55.6 V 703
2021-11-08 07:41:08 C 00 05 50.39 +41 36 57.2 V T08
2021-11-08 07:45:48 C 00 05 50.96 +41 36 57.9 V T08
2021-11-08 07:54:31 C 00 05 51.99 +41 36 58.6 V T08
2021-11-09 03:42:32 C 00 08 23.69 +41 38 37.6 V 703
2021-11-09 03:50:22 C 00 08 24.64 +41 38 37.9 V 703
2021-11-09 03:58:27 C 00 08 25.62 +41 38 38.5 V 703
2021-11-09 04:07:06 C 00 08 26.60 +41 38 38.1 V 703
2021-11-12 03:45:33 C 00 17 42.64 +41 40 49.3 V 703
2021-11-12 03:53:18 C 00 17 43.57 +41 40 50.3 V 703
2021-11-12 04:01:07 C 00 17 44.36 +41 40 49.3 V 703
2021-11-12 08:43:01 C 00 18 20.43 +41 40 49.4 V T08
2021-11-12 08:48:20 C 00 18 21.07 +41 40 49.3 V T08
2021-11-12 08:57:38 C 00 18 22.22 +41 40 48.9 V T08
2021-11-12 09:20:13 C 00 18 24.99 +41 40 47.5 V T08
2021-11-15 04:51:22 C 00 27 19.98 +41 36 54.0 V 703
2021-11-15 04:59:45 C 00 27 21.05 +41 36 53.1 V 703
2021-11-15 05:08:06 C 00 27 22.10 +41 36 52.3 V 703
2021-11-15 05:16:27 C 00 27 23.11 +41 36 51.0 V 703
2021-11-16 07:31:32 C 00 30 52.85 +41 34 08.8 V T08
2021-11-16 08:19:38 C 00 30 58.88 +41 34 00.9 V T08
2021-11-16 08:24:17 C 00 30 59.44 +41 34 00.7 V T08
2021-11-16 08:33:34 C 00 31 00.61 +41 33 58.5 V T08
2021-11-18 07:37:17 C 00 37 17.99 +41 27 09.6 V T05
2021-11-18 07:42:34 C 00 37 18.65 +41 27 09.0 V T05
2021-11-18 07:50:29 C 00 37 19.62 +41 27 07.6 V T05