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
2021-09-16 05:01:38 C 22 46 27.90 +18 39 38.1 V 703
2021-09-16 05:05:05 C 22 46 27.88 +18 39 44.8 V G96
2021-09-16 05:09:13 C 22 46 27.85 +18 39 52.7 V 703
2021-09-16 05:13:18 C 22 46 27.82 +18 40 00.1 V G96
2021-09-16 05:16:49 C 22 46 27.77 +18 40 06.7 V 703
2021-09-16 05:21:28 C 22 46 27.74 +18 40 15.6 V G96
2021-09-16 05:24:24 C 22 46 27.67 +18 40 21.1 V 703
2021-09-18 09:48:21 C 22 46 30.69 +20 17 57.2 V T05
2021-09-18 09:53:37 C 22 46 30.65 +20 18 06.9 V T05
2021-09-18 10:01:38 C 22 46 30.60 +20 18 21.8 V T05
2021-09-18 10:17:14 C 22 46 30.49 +20 18 50.3 V T05
2021-09-18 20:42:05 C 22 46 33.46 +20 37 47.9 V G33
2021-09-18 20:43:48 C 22 46 33.47 +20 37 51.1 V G33
2021-09-18 20:45:37 C 22 46 33.46 +20 37 54.4 V G33
2021-09-18 20:47:18 C 22 46 33.46 +20 37 57.6 V G33
2021-09-18 20:48:59 C 22 46 33.45 +20 38 00.7 V G33
2021-09-18 20:50:35 C 22 46 33.45 +20 38 03.5 V G33
2021-09-18 20:52:21 C 22 46 33.45 +20 38 06.7 V G33
2021-09-18 20:54:02 C 22 46 33.44 +20 38 09.9 V G33
2021-09-21 08:10:14 C 22 46 50.18 +22 26 41.0 U I41
2021-09-21 10:46:14 C 22 46 50.33 +22 31 18.3 U I41
2021-09-21 22:37:37 C 22 46 57.32 +22 52 40.1 V 203
2021-09-21 22:46:38 C 22 46 57.34 +22 52 56.4 V 203
2021-09-21 22:57:15 C 22 46 57.33 +22 53 15.3 V 203
2021-09-22 09:52:06 C 22 47 02.79 +23 13 04.3 V T05
2021-09-22 09:56:53 C 22 47 02.79 +23 13 12.8 V T05
2021-09-22 10:04:47 C 22 47 02.78 +23 13 26.9 V T05
2021-09-22 10:22:09 C 22 47 02.76 +23 13 57.7 V T05
2021-09-22 19:49:21 C 22 47 09.60 +23 30 32.5 V G33
2021-09-22 19:51:02 C 22 47 09.60 +23 30 35.5 V G33
2021-09-22 19:52:43 C 22 47 09.57 +23 30 38.7 V G33
2021-09-22 19:54:24 C 22 47 09.62 +23 30 41.6 V G33
2021-09-22 19:56:05 C 22 47 09.62 +23 30 45.2 V G33
2021-09-22 19:57:46 C 22 47 09.65 +23 30 47.6 V G33
2021-09-23 05:56:28 C 22 47 15.04 +23 48 43.1 U I41
2021-09-23 06:16:32 C 22 47 15.07 +23 49 18.8 U I41
2021-09-23 08:26:50 C 22 47 15.33 +23 53 08.2 U I41
2021-09-23 10:03:43 C 22 47 15.73 +23 55 56.5 U I41
2021-09-23 10:46:47 C 22 47 16.00 +23 57 10.8 U I41
2021-09-23 16:58:39 C 22 47 20.76 +24 08 12.5 V D29
2021-09-23 17:10:46 C 22 47 20.82 +24 08 33.3 V D29
2021-09-23 17:22:54 C 22 47 20.85 +24 08 54.5 V D29
2021-09-23 21:16:27 C 22 47 25.13 +24 15 42.3 V 160
2021-09-23 21:20:20 C 22 47 25.14 +24 15 49.1 V 160
2021-09-23 21:23:20 C 22 47 25.14 +24 15 54.4 V 160
2021-09-24 07:32:20 C 22 47 31.36 +24 33 48.6 V 703
2021-09-24 07:40:02 C 22 47 31.40 +24 34 02.0 V 703
2021-09-24 07:47:45 C 22 47 31.43 +24 34 15.4 V 703
2021-09-24 07:55:28 C 22 47 31.52 +24 34 29.4 V 703
2021-09-24 10:37:33 C 22 47 33.53 +24 39 19.7 V T08