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
2021-09-05 21:24:49 C 22 47 31.09 +10 57 55.5 V 089
2021-09-05 21:28:11 C 22 47 31.00 +10 58 01.3 V 089
2021-09-05 21:31:33 C 22 47 30.96 +10 58 07.7 V 089
2021-09-05 21:34:55 C 22 47 30.97 +10 58 13.5 V 089
2021-09-06 06:47:35 C 22 47 27.50 +11 15 10.5 V 703
2021-09-06 06:55:44 C 22 47 27.38 +11 15 25.4 V 703
2021-09-06 07:03:53 C 22 47 27.30 +11 15 40.6 V 703
2021-09-06 07:04:04 C 22 47 27.44 +11 15 40.3 U I41
2021-09-06 07:05:26 C 22 47 27.42 +11 15 42.8 U I41
2021-09-06 07:12:03 C 22 47 27.15 +11 15 55.3 V 703
2021-09-06 08:09:35 C 22 47 26.52 +11 17 40.1 U I41
2021-09-06 08:12:18 C 22 47 26.48 +11 17 45.1 U I41
2021-09-06 21:08:17 C 22 47 22.69 +11 41 20.7 V Z43
2021-09-06 21:15:15 C 22 47 22.17 +11 41 33.9 X G02
2021-09-06 21:17:03 C 22 47 22.60 +11 41 36.8 V Z43
2021-09-06 21:20:21 C 22 47 22.10 +11 41 43.3 X G02
2021-09-06 21:25:27 C 22 47 22.05 +11 41 52.7 X G02
2021-09-06 21:26:33 C 22 47 22.50 +11 41 54.3 V Z43
2021-09-06 21:35:03 C 22 47 22.40 +11 42 09.9 V Z43
2021-09-07 04:47:20 C 22 47 19.99 +11 55 31.7 U I41
2021-09-07 06:23:59 C 22 47 18.74 +11 58 30.7 U I41
2021-09-07 07:46:24 C 22 47 17.61 +12 01 02.8 U I41
2021-09-08 04:49:28 C 22 47 10.85 +12 39 56.2 V G96
2021-09-08 04:56:58 C 22 47 10.76 +12 40 10.3 V G96
2021-09-08 05:04:29 C 22 47 10.67 +12 40 24.3 V G96
2021-09-08 05:12:01 C 22 47 10.57 +12 40 38.1 V G96
2021-09-08 09:11:08 C 22 47 08.73 +12 48 08.5 V T08
2021-09-08 09:15:07 C 22 47 08.67 +12 48 15.9 V T08
2021-09-08 09:19:06 C 22 47 08.62 +12 48 23.3 V T08
2021-09-08 10:02:56 C 22 47 07.98 +12 49 44.7 V T08
2021-09-08 21:09:52 C 22 47 04.14 +13 10 09.5 V 089
2021-09-08 21:13:16 C 22 47 04.10 +13 10 15.6 V 089
2021-09-08 21:16:39 C 22 47 04.04 +13 10 22.1 V 089
2021-09-08 21:20:01 C 22 47 04.01 +13 10 28.4 V 089
2021-09-09 01:43:53 C 22 47 01.42 +13 18 39.2 V L63
2021-09-09 01:50:31 C 22 47 01.33 +13 18 51.2 V L63
2021-09-09 01:58:09 C 22 47 01.26 +13 19 05.6 V L63
2021-09-09 20:24:22 C 22 46 56.83 +13 53 25.0 X G02
2021-09-09 20:29:39 C 22 46 56.72 +13 53 35.8 V K88
2021-09-09 20:31:05 C 22 46 56.74 +13 53 38.2 V K88
2021-09-09 20:31:31 C 22 46 56.74 +13 53 38.7 X G02
2021-09-09 20:32:31 C 22 46 56.68 +13 53 41.2 V K88
2021-09-09 20:33:57 C 22 46 56.69 +13 53 43.8 V K88
2021-09-09 20:35:23 C 22 46 56.69 +13 53 46.7 V K88
2021-09-09 20:36:48 C 22 46 56.66 +13 53 49.2 V K88
2021-09-09 20:38:36 C 22 46 56.66 +13 53 52.0 X G02
2021-09-09 23:37:40 C 22 46 54.77 +13 59 28.9 V 104
2021-09-10 00:01:58 C 22 46 54.47 +14 00 14.0 V 104
2021-09-10 00:32:19 C 22 46 54.13 +14 01 10.3 V 104
2021-09-10 01:54:17 C 22 46 53.24 +14 03 42.4 V 104