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
2021-12-03 03:18:16 C 01 24 19.46 +39 40 53.2 V 703
2021-12-03 03:25:56 C 01 24 20.41 +39 40 50.2 V 703
2021-12-06 03:05:24 C 01 33 29.48 +39 11 48.3 V 703
2021-12-06 03:13:06 C 01 33 30.45 +39 11 45.1 V 703
2021-12-06 03:20:48 C 01 33 31.41 +39 11 41.9 V 703
2021-12-06 03:28:32 C 01 33 32.33 +39 11 38.7 V 703
2021-12-12 18:28:46 C 01 53 17.26 +38 03 44.1 X C95
2021-12-12 18:42:52 C 01 53 18.95 +38 03 37.7 X C95
2021-12-12 18:56:55 C 01 53 20.58 +38 03 31.8 X C95
2021-12-13 03:46:05 C 01 54 24.57 +37 59 45.8 V G96
2021-12-13 04:03:09 C 01 54 26.54 +37 59 38.5 V G96
2021-12-13 04:11:34 C 01 54 27.51 +37 59 34.9 V G96
2021-12-14 08:28:07 C 01 57 52.01 +37 47 20.5 V T08
2021-12-14 08:34:05 C 01 57 52.74 +37 47 17.7 V T08
2021-12-14 08:42:03 C 01 57 53.68 +37 47 14.7 V T08
2021-12-14 09:02:00 C 01 57 55.91 +37 47 05.7 V T08
2021-12-21 06:43:25 C 02 17 23.76 +36 35 41.3 V 703
2021-12-21 06:51:06 C 02 17 24.61 +36 35 38.3 V 703
2021-12-21 06:58:47 C 02 17 25.58 +36 35 34.3 V 703
2021-12-21 07:06:27 C 02 17 26.37 +36 35 31.8 V 703
2021-12-27 04:46:57 C 02 33 22.18 +35 36 59.9 V 703
2021-12-27 04:55:11 C 02 33 23.18 +35 36 55.2 V 703
2021-12-27 05:03:25 C 02 33 23.97 +35 36 52.1 V 703
2021-12-27 05:11:39 C 02 33 24.84 +35 36 48.0 V 703
2022-01-07 03:20:46 C 03 01 22.91 +33 58 40.3 V 703
2022-01-07 03:29:21 C 03 01 23.55 +33 58 39.1 V 703
2022-01-07 03:37:57 C 03 01 24.11 +33 58 35.7 V 703
2022-01-22 06:53:33 C 03 37 38.740 +32 08 46.74 U F52
2022-01-22 07:11:06 C 03 37 40.370 +32 08 41.94 U F52
2022-01-22 07:28:46 C 03 37 42.032 +32 08 37.13 U F52
2022-01-22 07:46:22 C 03 37 43.696 +32 08 32.50 U F52