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
2021-09-24 10:42:34 C 22 47 33.54 +24 39 28.2 V T08
2021-09-24 10:53:10 C 22 47 33.60 +24 39 46.7 V T08
2021-09-24 11:07:54 C 22 47 33.65 +24 40 12.1 V T08
2021-09-25 19:37:11 C 22 48 02.80 +25 36 09.2 V G02
2021-09-25 19:40:49 C 22 48 02.83 +25 36 15.6 V G02
2021-09-25 19:44:27 C 22 48 02.87 +25 36 22.1 V G02
2021-09-26 02:28:52 C 22 48 09.53 +25 47 57.2 V V93
2021-09-26 03:16:58 C 22 48 09.96 +25 49 20.3 V V93
2021-09-26 04:08:25 C 22 48 10.38 +25 50 48.5 V V93
2021-09-26 06:33:06 C 22 48 12.37 +25 54 59.1 U I41
2021-09-26 07:11:30 C 22 48 12.65 +25 56 04.1 U I41
2021-09-26 07:12:12 C 22 48 12.66 +25 56 05.2 U I41
2021-09-26 08:21:21 C 22 48 13.22 +25 58 01.4 U I41
2021-09-27 04:50:14 C 22 48 36.38 +26 32 37.1 U I41
2021-09-27 04:50:55 C 22 48 36.39 +26 32 38.3 U I41
2021-09-27 05:51:54 C 22 48 36.96 +26 34 21.3 U I41
2021-09-27 07:39:23 C 22 48 38.00 +26 37 20.4 U I41
2021-09-27 07:40:03 C 22 48 38.01 +26 37 21.5 U I41
2021-09-27 08:38:47 C 22 48 38.64 +26 38 58.2 U I41
2021-09-27 09:27:14 C 22 48 39.22 +26 40 17.4 U I41
2021-09-28 05:26:45 C 22 49 04.76 +27 13 31.8 U I41
2021-09-28 05:28:07 C 22 49 04.77 +27 13 34.1 U I41
2021-09-28 05:29:29 C 22 49 04.78 +27 13 36.3 U I41
2021-09-28 05:30:51 C 22 49 04.80 +27 13 38.6 U I41
2021-09-28 06:30:19 C 22 49 05.49 +27 15 16.6 U I41
2021-09-28 06:55:27 C 22 49 05.78 +27 15 57.7 U I41
2021-09-28 06:57:38 C 22 49 05.81 +27 16 01.3 U I41
2021-09-28 06:58:19 C 22 49 05.82 +27 16 02.5 U I41
2021-09-28 09:00:05 C 22 49 08.64 +27 19 30.9 V T08
2021-09-28 09:03:03 C 22 49 07.42 +27 19 24.3 U I41
2021-09-28 09:14:13 C 22 49 08.78 +27 19 54.0 V T08
2021-09-28 09:31:36 C 22 49 08.97 +27 20 22.5 V T08
2021-09-28 20:56:54 C 22 49 24.55 +27 38 49.1 V K83
2021-09-28 21:02:28 C 22 49 24.62 +27 38 58.3 V K83
2021-09-28 21:05:49 C 22 49 24.66 +27 39 03.7 V K83
2021-09-29 01:47:59 C 22 49 31.95 +27 46 41.1 V V93
2021-09-29 02:38:26 C 22 49 32.74 +27 48 04.5 V V93
2021-09-29 03:38:04 C 22 49 33.63 +27 49 42.3 V V93
2021-09-29 05:50:48 C 22 49 36.18 +27 53 21.7 V 703
2021-09-29 05:59:07 C 22 49 36.30 +27 53 35.3 V 703
2021-09-29 06:07:20 C 22 49 36.41 +27 53 48.6 V 703
2021-09-29 06:15:29 C 22 49 36.51 +27 54 02.0 V 703
2021-09-29 06:24:00 C 22 49 36.87 +27 54 14.9 U I41
2021-09-29 06:34:43 C 22 49 37.02 +27 54 32.1 U I41
2021-09-29 06:36:06 C 22 49 37.04 +27 54 34.3 U I41
2021-09-29 19:58:50 C 22 49 57.40 +28 15 53.9 X Z43
2021-09-29 20:07:45 C 22 49 57.54 +28 16 08.2 X Z43
2021-09-29 20:16:37 C 22 49 57.69 +28 16 22.7 X Z43
2021-09-30 07:12:30 C 22 50 12.56 +28 33 55.2 U I41
2021-09-30 09:09:10 C 22 50 15.89 +28 37 07.6 V T05