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
2021-11-18 08:06:18 C 00 37 21.59 +41 27 04.8 V T05
2021-11-20 09:36:43 C 00 43 58.34 +41 17 37.0 V T08
2021-11-20 09:42:01 C 00 43 59.00 +41 17 35.7 V T08
2021-11-20 10:24:18 C 00 44 04.41 +41 17 25.0 V T08
2021-11-20 10:34:19 C 00 44 05.66 +41 17 21.9 V T08
2021-11-22 09:51:49 C 00 50 25.55 +41 06 24.3 V T05
2021-11-22 09:57:45 C 00 50 26.27 +41 06 22.9 V T05
2021-11-22 10:09:01 C 00 50 27.74 +41 06 19.6 V T05
2021-11-22 10:26:12 C 00 50 29.97 +41 06 14.0 V T05
2021-11-23 07:48:21 C 00 53 22.22 +41 00 45.9 V T08
2021-11-23 07:53:39 C 00 53 22.90 +41 00 44.7 V T08
2021-11-23 07:56:58 C 00 53 23.31 +41 00 43.8 V T08
2021-11-23 08:07:59 C 00 53 24.74 +41 00 40.6 V T08
2021-11-23 08:11:18 C 00 53 25.12 +41 00 39.9 V T08
2021-11-23 08:29:12 C 00 53 27.39 +41 00 34.7 V T08
2021-11-23 08:31:18 C 00 53 27.80 +41 00 34.2 V T08
2021-11-23 08:35:57 C 00 53 28.24 +41 00 33.4 V T08
2021-11-24 18:51:25 C 00 58 03.13 +40 50 46.8 V 130
2021-11-24 18:53:34 C 00 58 03.43 +40 50 46.0 V 130
2021-11-24 18:55:42 C 00 58 03.68 +40 50 45.5 V 130
2021-11-24 18:57:51 C 00 58 03.97 +40 50 44.7 V 130
2021-11-25 09:20:07 C 00 59 57.29 +40 46 35.9 V T05
2021-11-25 09:28:45 C 00 59 58.38 +40 46 33.0 V T05
2021-11-25 09:54:01 C 01 00 01.61 +40 46 24.5 V T05
2021-11-26 07:36:41 C 01 02 55.30 +40 39 44.4 V T05
2021-11-26 07:41:19 C 01 02 55.89 +40 39 42.9 V T05
2021-11-26 07:49:17 C 01 02 56.88 +40 39 40.2 V T05
2021-11-26 08:40:15 C 01 03 03.27 +40 39 23.1 V T05
2021-11-27 03:42:25 C 01 05 35.19 +40 33 11.3 V 703
2021-11-27 04:06:10 C 01 05 38.21 +40 33 09.9 V 703
2021-11-28 08:24:37 C 01 09 21.43 +40 23 36.0 V T08
2021-11-28 08:29:58 C 01 09 22.07 +40 23 33.6 V T08
2021-11-28 08:31:18 C 01 09 22.22 +40 23 33.1 V T08
2021-11-28 08:37:18 C 01 09 22.99 +40 23 31.0 V T08
2021-11-28 08:40:37 C 01 09 23.42 +40 23 30.1 V T08
2021-11-28 08:57:18 C 01 09 25.48 +40 23 23.7 V T08
2021-11-28 09:00:40 C 01 09 25.86 +40 23 22.8 V T08
2021-11-29 17:44:54 C 01 13 45.04 +40 11 40.5 V 130
2021-11-29 17:49:29 C 01 13 45.56 +40 11 38.6 V 130
2021-11-29 17:53:46 C 01 13 46.08 +40 11 37.0 V 130
2021-11-30 03:38:05 C 01 15 01.97 +40 08 10.5 V 703
2021-11-30 03:45:42 C 01 15 02.93 +40 08 07.9 V 703
2021-11-30 03:53:26 C 01 15 03.86 +40 08 04.3 V 703
2021-11-30 04:01:22 C 01 15 04.81 +40 08 01.6 V 703
2021-12-01 04:01:21 C 01 18 12.37 +39 59 07.7 V G96
2021-12-01 04:09:41 C 01 18 13.40 +39 59 04.4 V G96
2021-12-01 04:18:03 C 01 18 14.44 +39 59 01.3 V G96
2021-12-01 04:26:24 C 01 18 15.50 +39 58 58.3 V G96
2021-12-03 03:02:59 C 01 24 17.58 +39 40 58.9 V 703
2021-12-03 03:10:38 C 01 24 18.54 +39 40 56.0 V 703