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
2021-08-25 03:33:58 s 1 +81300.472 0 +340525.26 8610.0 C57
2021-08-25 03:43:58 S 22 47 20.386 +02 58 39.61 V C57
2021-08-25 03:43:58 s 1 +80951.187 0 +340811.23 5160.0 C57
2021-08-25 03:53:58 S 22 47 20.318 +02 58 54.73 V C57
2021-08-25 03:53:58 s 1 +80601.625 0 +341096.06 900.0 C57
2021-08-25 04:03:58 S 22 47 20.100 +02 59 08.45 V C57
2021-08-25 04:03:58 s 1 +80251.787 0 +341379.75 5820.0 C57
2021-08-25 04:13:58 S 22 47 20.018 +02 59 25.87 V C57
2021-08-25 04:13:58 s 1 +79901.677 0 +341662.30 9920.0 C57
2021-08-25 04:23:58 S 22 47 20.045 +02 59 37.18 V C57
2021-08-25 04:23:58 s 1 +79551.294 0 +341943.71 3210.0 C57
2021-08-25 06:03:58 S 22 47 19.490 +03 02 13.45 V C57
2021-08-25 06:03:58 s 1 +76032.853 0 +344695.40 2820.0 C57
2021-08-25 07:33:14 C 22 48 54.34 +03 02 54.8 U I41
2021-08-25 07:34:34 C 22 48 54.33 +03 02 57.0 U I41
2021-08-26 08:05:16 C 22 48 50.71 +03 41 45.1 U I41
2021-08-26 08:38:31 C 22 48 50.41 +03 42 38.3 U I41
2021-08-26 12:01:00 C 22 48 49.50 +03 48 07.7 V T08
2021-08-26 12:05:00 C 22 48 49.47 +03 48 14.1 V T08
2021-08-26 12:13:38 C 22 48 49.38 +03 48 27.9 V T08
2021-08-26 12:30:10 C 22 48 49.23 +03 48 54.4 V T08
2021-08-27 07:47:06 C 22 48 46.53 +04 19 54.5 U I41
2021-08-27 07:48:27 C 22 48 46.52 +04 19 56.7 U I41
2021-08-27 08:08:12 C 22 48 46.18 +04 20 29.1 V 703
2021-08-27 08:36:01 C 22 48 45.89 +04 21 14.3 V 703
2021-08-27 08:44:02 C 22 48 45.85 +04 21 27.5 V 703
2021-08-27 08:52:03 C 22 48 45.70 +04 21 40.2 V 703
2021-08-27 08:59:28 C 22 48 45.83 +04 21 52.0 U I41
2021-08-27 09:00:49 C 22 48 45.81 +04 21 54.1 U I41
2021-08-27 22:39:00 C 22 48 43.80 +04 44 03.7 V Z43
2021-08-27 22:50:38 C 22 48 43.69 +04 44 23.1 V Z43
2021-08-27 23:00:33 C 22 48 43.62 +04 44 39.1 V Z43
2021-08-27 23:10:35 C 22 48 43.54 +04 44 55.7 V Z43
2021-08-28 07:34:20 C 22 48 41.41 +04 58 49.8 U I41
2021-08-28 08:53:43 C 22 48 40.57 +05 01 00.8 U I41
2021-08-28 09:39:35 C 22 48 41.18 +05 02 21.9 V T05
2021-08-28 10:30:18 C 22 48 40.60 +05 03 45.8 V T05
2021-08-28 11:11:01 C 22 48 40.13 +05 04 53.0 V T05
2021-08-28 11:15:14 C 22 48 40.08 +05 05 00.1 V T05
2021-08-29 03:32:24 C 22 48 36.99 +05 31 57.1 X W34
2021-08-29 03:44:41 C 22 48 36.87 +05 32 17.8 X W34
2021-08-29 03:58:02 C 22 48 36.74 +05 32 40.1 X W34
2021-08-29 06:46:28 C 22 48 35.83 +05 37 22.4 U I41
2021-08-29 06:59:48 C 22 48 35.68 +05 37 44.8 U I41
2021-08-29 07:09:40 C 22 48 35.58 +05 38 01.3 U I41
2021-08-29 09:58:58 C 22 48 34.77 +05 42 50.4 V T05
2021-08-29 10:04:14 C 22 48 34.71 +05 42 59.3 V T05
2021-08-29 10:14:56 C 22 48 34.58 +05 43 17.3 V T05
2021-08-29 10:29:33 C 22 48 34.40 +05 43 41.9 V T05
2021-08-29 22:34:09 C 22 48 31.48 +06 03 49.9 V Z43