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
2021-07-30 10:02:10 C 22 42 34.92 -09 28 26.4 U I41
2021-07-31 18:46:16 C 22 43 20.07 -08 58 55.7 q D29
2021-07-31 19:06:37 C 22 43 20.44 -08 58 37.0 q D29
2021-07-31 19:26:59 C 22 43 20.82 -08 58 18.3 q D29
2021-08-01 09:04:52 C 22 43 39.32 -08 45 44.2 U I41
2021-08-01 10:19:06 C 22 43 40.60 -08 44 35.3 U I41
2021-08-01 17:01:07 C 22 43 49.63 -08 38 20.0 q D29
2021-08-01 17:41:52 C 22 43 50.40 -08 37 42.3 q D29
2021-08-02 09:44:28 C 22 44 10.41 -08 22 34.0 U I41
2021-08-02 09:45:50 C 22 44 10.43 -08 22 32.7 U I41
2021-08-02 10:08:25 C 22 44 10.80 -08 22 11.2 U I41
2021-08-02 10:13:15 C 22 44 10.87 -08 22 06.5 U I41
2021-08-03 13:05:13 C 22 44 42.91 -07 56 09.7 V T05
2021-08-03 13:56:09 C 22 44 43.68 -07 55 20.1 V T05
2021-08-03 14:36:56 C 22 44 44.28 -07 54 40.0 V T05
2021-08-03 15:09:56 C 22 44 44.77 -07 54 06.9 V T05
2021-08-05 11:41:22 C 22 45 34.422 -07 09 37.05 U F51
2021-08-05 11:57:35 C 22 45 34.619 -07 09 20.52 U F51
2021-08-05 12:13:45 C 22 45 34.811 -07 09 03.99 U F51
2021-08-05 12:29:59 C 22 45 35.008 -07 08 47.38 U F51
2021-08-05 15:46:16 C 22 45 39.130 -07 05 12.19 V P07
2021-08-05 17:05:09 C 22 45 40.111 -07 03 51.88 V P07
2021-08-05 19:37:41 C 22 45 41.921 -07 01 15.20 V P07
2021-08-05 19:42:41 C 22 45 41.995 -07 01 09.55 V P07
2021-08-05 20:16:23 C 22 45 42.384 -07 00 34.56 V P07
2021-08-06 12:17:17 C 22 45 58.76 -06 44 10.8 V T08
2021-08-06 12:57:50 C 22 45 59.19 -06 43 28.3 V T08
2021-08-06 13:39:02 C 22 45 59.64 -06 42 44.9 V T08
2021-08-06 14:14:40 C 22 46 00.06 -06 42 08.1 V T08
2021-08-07 17:16:04 C 22 46 25.76 -06 13 29.7 q D29
2021-08-07 17:36:26 C 22 46 25.96 -06 13 07.8 q D29
2021-08-07 17:56:48 C 22 46 26.17 -06 12 45.9 q D29
2021-08-10 10:46:29 C 22 47 18.11 -05 00 39.8 V T08
2021-08-10 10:49:47 C 22 47 18.12 -05 00 36.0 V T08
2021-08-10 11:06:51 C 22 47 18.24 -05 00 16.5 V T08
2021-08-10 11:14:50 C 22 47 18.29 -05 00 06.9 V T08
2021-08-12 08:05:36 C 22 47 47.36 -04 07 38.2 U I41
2021-08-12 09:30:14 C 22 47 47.75 -04 05 57.0 U I41
2021-08-12 10:47:36 C 22 47 48.94 -04 04 20.3 V T05
2021-08-12 10:52:14 C 22 47 48.96 -04 04 14.7 V T05
2021-08-12 10:56:11 C 22 47 48.99 -04 04 10.0 V T05
2021-08-12 11:26:41 C 22 47 49.11 -04 03 33.4 V T05
2021-08-12 21:27:37 C 22 47 55.22 -03 51 35.9 X G02
2021-08-12 21:36:39 C 22 47 55.29 -03 51 25.2 X G02
2021-08-12 21:45:43 C 22 47 55.34 -03 51 14.0 X G02
2021-08-14 00:20:05 C 22 48 08.44 -03 18 36.1 V K88
2021-08-14 00:24:20 C 22 48 08.46 -03 18 30.8 V K88
2021-08-14 09:08:11 C 22 48 12.67 -03 07 32.7 U I41
2021-08-14 09:36:14 C 22 48 12.73 -03 06 57.7 U I41
2021-08-14 10:59:02 C 22 48 13.80 -03 05 08.9 V T08