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
2021-10-19 09:55:32 C 23 14 34.00 +37 57 02.7 V T08
2021-10-19 22:22:28 C 23 15 36.63 +38 07 14.9 V K87
2021-10-19 22:28:48 C 23 15 37.13 +38 07 20.0 V K87
2021-10-19 22:35:07 C 23 15 37.64 +38 07 25.0 V K87
2021-10-21 07:48:50 C 23 18 29.610 +38 34 17.35 U F52
2021-10-21 08:18:19 C 23 18 31.882 +38 34 39.86 U F52
2021-10-21 08:33:02 C 23 18 33.032 +38 34 51.02 U F52
2021-10-21 09:23:39 C 23 18 36.96 +38 35 28.8 V T05
2021-10-21 09:28:16 C 23 18 37.33 +38 35 32.2 V T05
2021-10-21 09:36:52 C 23 18 38.02 +38 35 38.4 V T05
2021-10-21 09:56:02 C 23 18 39.50 +38 35 52.5 V T05
2021-10-22 09:00:24 C 23 20 43.87 +38 53 11.8 V T08
2021-10-22 09:29:24 C 23 20 46.28 +38 53 32.2 V T08
2021-10-22 09:51:18 C 23 20 48.08 +38 53 47.1 V T08
2021-10-22 10:07:36 C 23 20 49.38 +38 53 58.7 V T08
2021-10-23 07:50:36 C 23 22 50.95 +39 09 26.7 V T08
2021-10-23 07:59:54 C 23 22 51.74 +39 09 32.8 V T08
2021-10-23 08:05:13 C 23 22 52.16 +39 09 36.6 V T08
2021-10-23 08:19:50 C 23 22 53.37 +39 09 46.7 V T08
2021-10-24 04:54:45 C 23 24 50.63 +39 23 32.1 V G96
2021-10-24 05:02:28 C 23 24 51.30 +39 23 37.1 V G96
2021-10-24 05:10:03 C 23 24 51.94 +39 23 42.0 V G96
2021-10-24 05:17:38 C 23 24 52.60 +39 23 46.9 V G96
2021-10-24 05:31:27 C 23 24 53.85 +39 23 56.4 V 703
2021-10-24 05:39:11 C 23 24 54.43 +39 24 00.2 V 703
2021-10-24 05:46:55 C 23 24 55.13 +39 24 05.5 V 703
2021-10-24 05:54:38 C 23 24 55.81 +39 24 10.8 V 703
2021-10-24 09:33:07 C 23 25 16.41 +39 26 37.6 V T05
2021-10-24 09:39:04 C 23 25 16.91 +39 26 41.1 V T05
2021-10-24 10:15:08 C 23 25 20.10 +39 27 02.9 V T05
2021-10-24 10:27:57 C 23 25 21.23 +39 27 10.7 V T05
2021-10-26 09:25:39 C 23 30 00.81 +39 55 46.7 V T08
2021-10-26 09:30:17 C 23 30 01.24 +39 55 49.0 V T08
2021-10-26 09:44:32 C 23 30 02.55 +39 55 56.4 V T08
2021-10-26 10:07:11 C 23 30 04.66 +39 56 08.5 V T08
2021-10-27 04:54:59 C 23 32 01.81 +40 06 29.1 V 703
2021-10-27 05:02:39 C 23 32 02.39 +40 06 32.9 V 703
2021-10-27 05:10:18 C 23 32 03.13 +40 06 37.1 V 703
2021-10-27 05:17:56 C 23 32 03.86 +40 06 41.2 V 703
2021-10-27 08:25:27 C 23 32 23.18 +40 08 27.4 V T08
2021-10-27 08:30:07 C 23 32 23.64 +40 08 29.8 V T08
2021-10-27 08:39:24 C 23 32 24.48 +40 08 34.5 V T08
2021-10-27 08:55:20 C 23 32 26.00 +40 08 42.6 V T08
2021-10-29 06:39:55 C 23 37 19.017 +40 31 16.49 U F51
2021-10-29 06:56:15 C 23 37 20.626 +40 31 24.15 U F51
2021-10-29 07:12:35 C 23 37 22.233 +40 31 31.76 U F51
2021-10-29 08:19:15 C 23 37 28.80 +40 32 01.8 V T05
2021-10-29 08:23:51 C 23 37 29.25 +40 32 03.8 V T05
2021-10-29 08:31:46 C 23 37 30.03 +40 32 07.3 V T05
2021-10-29 08:48:16 C 23 37 31.66 +40 32 14.2 V T05