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
2021-10-14 22:50:43 C 23 06 28.97 +36 16 13.2 V A16
2021-10-15 04:30:48 C 23 06 53.26 +36 22 11.5 V 703
2021-10-15 04:46:17 C 23 06 54.39 +36 22 26.0 V 703
2021-10-15 04:53:56 C 23 06 54.84 +36 22 33.7 V 703
2021-10-15 06:56:53 C 23 07 02.50 +36 24 37.2 U I41
2021-10-15 07:55:03 C 23 07 07.45 +36 25 45.2 V T08
2021-10-15 08:09:00 C 23 07 08.28 +36 25 59.5 V T08
2021-10-15 08:15:39 C 23 07 08.67 +36 26 06.1 V T08
2021-10-15 08:21:08 C 23 07 07.72 +36 25 59.4 U I41
2021-10-15 08:22:17 C 23 07 09.08 +36 26 12.8 V T08
2021-10-15 08:24:17 C 23 07 09.19 +36 26 14.7 V T08
2021-10-15 08:30:15 C 23 07 09.55 +36 26 20.6 V T08
2021-10-15 08:47:36 C 23 07 10.57 +36 26 38.2 V T08
2021-10-15 09:42:59 C 23 07 13.01 +36 27 17.5 U I41
2021-10-15 18:20:51 C 23 07 52.78 +36 35 59.7 q L47
2021-10-15 18:49:40 C 23 07 54.57 +36 36 27.9 q L47
2021-10-15 19:41:05 C 23 07 57.90 +36 37 20.2 a 233
2021-10-15 19:47:10 C 23 07 58.29 +36 37 26.4 a 233
2021-10-15 19:53:14 C 23 07 58.68 +36 37 32.4 a 233
2021-10-15 19:59:18 C 23 07 59.08 +36 37 38.6 a 233
2021-10-16 19:26:32 C 23 09 41.79 +37 00 26.9 Y 557
2021-10-16 20:32:20 C 23 09 46.20 +37 01 30.0 Y 557
2021-10-16 21:30:16 C 23 09 50.10 +37 02 24.8 Y 557
2021-10-16 22:34:06 C 23 09 54.44 +37 03 24.0 Y 557
2021-10-16 23:35:45 C 23 09 58.70 +37 04 20.4 Y 557
2021-10-17 00:37:54 C 23 10 03.10 +37 05 16.6 Y 557
2021-10-17 01:33:23 C 23 10 09.77 +37 06 18.6 V V93
2021-10-17 01:39:37 C 23 10 07.59 +37 06 11.8 Y 557
2021-10-17 02:44:25 C 23 10 12.42 +37 07 09.5 Y 557
2021-10-17 02:46:07 C 23 10 14.67 +37 07 28.8 V V93
2021-10-17 03:50:02 C 23 10 18.92 +37 08 29.3 V V93
2021-10-17 04:10:33 C 23 10 21.00 +37 08 52.8 V G96
2021-10-17 04:19:29 C 23 10 21.59 +37 09 01.3 V G96
2021-10-17 04:28:26 C 23 10 22.18 +37 09 09.8 V G96
2021-10-17 04:37:22 C 23 10 22.77 +37 09 18.3 V G96
2021-10-17 05:46:01 C 23 10 27.54 +37 10 22.1 U I41
2021-10-17 06:52:33 C 23 10 31.98 +37 11 23.1 U I41
2021-10-17 19:28:26 C 23 11 31.48 +37 22 57.3 V 160
2021-10-17 19:31:18 C 23 11 31.68 +37 22 59.9 V 160
2021-10-17 19:34:13 C 23 11 31.88 +37 23 02.6 V 160
2021-10-18 09:01:06 C 23 12 33.81 +37 35 23.5 V T08
2021-10-18 09:08:25 C 23 12 34.30 +37 35 29.8 V T08
2021-10-18 09:19:09 C 23 12 35.05 +37 35 39.3 V T08
2021-10-18 09:29:57 C 23 12 35.78 +37 35 48.7 V T08
2021-10-18 19:43:09 C 23 13 26.33 +37 44 37.9 V 160
2021-10-18 19:46:10 C 23 13 26.55 +37 44 40.6 V 160
2021-10-18 19:49:04 C 23 13 26.76 +37 44 43.2 V 160
2021-10-19 09:24:56 C 23 14 31.71 +37 56 37.4 V T08
2021-10-19 09:29:36 C 23 14 32.06 +37 56 41.8 V T08
2021-10-19 09:39:36 C 23 14 32.80 +37 56 49.9 V T08