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
2021-08-23 22:43:58 S 22 47 37.008 +02 15 12.17 V C57
2021-08-23 22:43:58 s 1 +135912.22 9 +272975.20 5060.0 C57
2021-08-23 22:53:58 S 22 47 36.967 +02 15 26.42 V C57
2021-08-23 22:53:58 s 1 +135640.95 9 +273474.96 2050.0 C57
2021-08-23 23:13:58 S 22 47 36.550 +02 15 54.90 V C57
2021-08-23 23:13:58 s 1 +135096.40 6 +274470.44 9730.0 C57
2021-08-23 23:23:58 S 22 47 36.468 +02 16 08.90 V C57
2021-08-23 23:23:58 s 1 +134823.13 0 +274966.16 430.0 C57
2021-08-23 23:32:09 C 22 48 57.10 +02 13 10.1 V Z80
2021-08-23 23:33:58 S 22 47 36.449 +02 16 24.67 V C57
2021-08-23 23:33:58 s 1 +134549.19 2 +275460.53 9060.0 C57
2021-08-23 23:37:08 C 22 48 57.08 +02 13 17.4 V Z80
2021-08-23 23:42:08 C 22 48 57.09 +02 13 25.3 V Z80
2021-08-23 23:43:58 S 22 47 36.216 +02 16 38.42 V C57
2021-08-23 23:43:58 s 1 +134274.59 6 +275953.56 5620.0 C57
2021-08-24 00:03:58 S 22 47 36.127 +02 17 11.15 V C57
2021-08-24 00:03:58 s 1 +133723.44 1 +276935.58 2600.0 C57
2021-08-24 00:13:58 S 22 47 35.834 +02 17 25.19 V C57
2021-08-24 00:13:58 s 1 +133446.88 8 +277424.58 3040.0 C57
2021-08-24 00:23:58 S 22 47 35.693 +02 17 40.88 V C57
2021-08-24 00:23:58 s 1 +133169.69 0 +277912.25 1450.0 C57
2021-08-24 00:33:58 S 22 47 35.650 +02 17 57.77 V C57
2021-08-24 00:33:58 s 1 +132891.84 9 +278398.58 7850.0 C57
2021-08-24 00:43:58 S 22 47 35.503 +02 18 09.79 V C57
2021-08-24 00:43:58 s 1 +132613.36 9 +278883.57 2250.0 C57
2021-08-24 00:53:58 S 22 47 35.402 +02 18 24.19 V C57
2021-08-24 00:53:58 s 1 +132334.25 3 +279367.23 4660.0 C57
2021-08-24 01:03:58 S 22 47 35.345 +02 18 38.84 V C57
2021-08-24 01:03:58 s 1 +132054.50 3 +279849.55 5090.0 C57
2021-08-24 01:13:58 S 22 47 35.340 +02 18 54.61 V C57
2021-08-24 01:13:58 s 1 +131774.12 4 +280330.55 3550.0 C57
2021-08-24 01:23:58 S 22 47 35.057 +02 19 08.00 V C57
2021-08-24 01:23:58 s 1 +131493.11 8 +280810.22 40.0 C57
2021-08-24 01:33:58 S 22 47 34.778 +02 19 25.86 V C57
2021-08-24 01:33:58 s 1 +131211.48 8 +281288.56 4590.0 C57
2021-08-24 01:43:58 S 22 47 34.853 +02 19 39.58 V C57
2021-08-24 01:43:58 s 1 +130929.23 7 +281765.57 7190.0 C57
2021-08-24 02:03:58 S 22 47 34.658 +02 20 07.40 V C57
2021-08-24 02:03:58 s 1 +130362.88 6 +282715.63 6620.0 C57
2021-08-24 02:13:58 S 22 47 34.543 +02 20 24.72 V C57
2021-08-24 02:13:58 s 1 +130078.79 1 +283188.68 3460.0 C57
2021-08-24 02:23:58 S 22 47 34.313 +02 20 36.35 V C57
2021-08-24 02:23:58 s 1 +129794.08 8 +283660.40 8400.0 C57
2021-08-24 02:33:58 S 22 47 34.462 +02 20 55.07 V C57
2021-08-24 02:33:58 s 1 +129508.77 9 +284130.81 1450.0 C57
2021-08-24 02:43:58 S 22 47 34.166 +02 21 10.87 V C57
2021-08-24 02:43:58 s 1 +129222.86 8 +284599.90 2610.0 C57
2021-08-24 02:53:58 S 22 47 34.032 +02 21 24.91 V C57
2021-08-24 02:53:58 s 1 +128936.35 7 +285067.68 1910.0 C57
2021-08-24 03:03:58 S 22 47 33.962 +02 21 38.34 V C57