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
2013-01-03 13:30:34 C 08 28 00.433 +27 32 23.97 L F51
2013-01-03 13:49:13 C 08 27 59.186 +27 32 23.46 L F51
2013-01-03 14:09:46 C 08 27 57.817 +27 32 23.25 L F51
2013-01-03 14:26:22 C 08 27 56.711 +27 32 22.90 L F51
2013-01-06 05:56:05 C 08 23 49.59 +27 31 12.8 o 691
2013-01-06 06:21:36 C 08 23 47.89 +27 31 12.4 o 691
2013-01-06 06:47:07 C 08 23 46.16 +27 31 12.2 o 691
2013-01-10 04:19:50 C 08 17 34.92 +27 27 57.8 o 691
2013-01-10 04:45:19 C 08 17 33.27 +27 27 57.0 o 691
2013-01-10 05:10:47 C 08 17 31.55 +27 27 56.3 o 691
2013-01-16 11:59:34 C 08 07 36.622 +27 18 29.82 L F51
2013-01-16 12:20:24 C 08 07 35.234 +27 18 28.06 L F51
2013-01-16 12:41:12 C 08 07 33.849 +27 18 26.28 L F51
2013-01-16 13:02:07 C 08 07 32.462 +27 18 24.48 L F51
2013-01-18 04:40:21 C 08 05 01.46 +27 14 58.9 o 691
2013-01-18 05:02:12 C 08 05 00.02 +27 14 57.6 o 691
2013-01-18 05:24:00 C 08 04 58.66 +27 14 55.0 o 691
2013-01-18 14:21:05 C 08 04 24.78 +27 14 05.7 r D29
2013-01-18 14:45:23 C 08 04 23.20 +27 14 03.1 r D29
2013-01-18 15:09:38 C 08 04 21.62 +27 14 02.3 r D29
2013-02-02 03:07:20 C 07 45 18.88 +26 29 31.1 o 691
2013-02-02 03:23:04 C 07 45 18.12 +26 29 28.7 o 691
2013-02-02 03:38:48 C 07 45 17.25 +26 29 27.0 o 691
2013-02-05 02:35:13 C 07 42 16.46 +26 17 59.9 o 691
2013-02-05 03:56:12 C 07 42 13.07 +26 17 47.5 o 691
2013-02-07 03:06:48 C 07 40 24.27 +26 09 52.6 o 691
2013-02-07 03:36:03 C 07 40 23.07 +26 09 48.3 o 691
2013-02-07 04:00:18 C 07 40 22.10 +26 09 44.4 o 691
2021-06-13 10:18:11 C 21 53 56.07 -20 20 17.1 V G96
2021-06-13 10:27:02 C 21 53 56.58 -20 20 13.6 V G96
2021-06-13 10:33:53 C 21 53 56.96 -20 20 10.8 V G96
2021-06-13 10:40:44 C 21 53 57.35 -20 20 08.5 V G96
2021-07-03 13:49:27 C 22 19 22.172 -16 43 31.49 U F51
2021-07-03 14:04:23 C 22 19 22.835 -16 43 23.67 U F51
2021-07-03 14:19:17 C 22 19 23.482 -16 43 15.98 U F51
2021-07-03 14:34:58 C 22 19 24.164 -16 43 07.82 U F51
2021-07-10 09:57:12 C 22 26 38.50 -15 13 25.7 U I41
2021-07-10 09:58:33 C 22 26 38.56 -15 13 25.0 U I41
2021-07-10 10:03:30 C 22 26 38.77 -15 13 22.2 U I41
2021-07-10 10:33:59 C 22 26 39.90 -15 13 04.1 U I41
2021-07-10 10:36:01 C 22 26 40.01 -15 13 03.1 U I41
2021-07-17 17:57:54 C 22 33 28.212 -13 23 10.75 V P07
2021-07-17 20:04:53 C 22 33 32.254 -13 21 45.11 V P07
2021-07-17 21:02:37 C 22 33 34.116 -13 21 05.98 V P07
2021-07-17 21:51:39 C 22 33 35.678 -13 20 32.50 V P07
2021-07-19 12:35:38 C 22 34 57.550 -12 54 10.07 U F51
2021-07-19 12:47:59 C 22 34 57.924 -12 54 01.66 U F51
2021-07-19 13:00:52 C 22 34 58.313 -12 53 52.63 U F51
2021-07-19 13:13:20 C 22 34 58.692 -12 53 43.93 U F51
2021-07-30 09:03:02 C 22 42 33.76 -09 29 18.9 U I41