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
2021-08-21 13:43:58 S 22 48 42.391 +00 50 04.60 V C57
2021-08-21 13:43:58 s 1 +145506.73 6 +12135.964 4930.0 C57
2021-08-21 13:53:58 S 22 48 41.993 +00 50 21.41 V C57
2021-08-21 13:53:58 s 1 +145971.69 6 +13153.172 40.0 C57
2021-08-21 14:13:58 S 22 48 41.222 +00 50 50.75 V C57
2021-08-21 14:13:58 s 1 +146884.48 5 +15185.965 4580.0 C57
2021-08-21 14:23:58 S 22 48 41.232 +00 51 04.75 V C57
2021-08-21 14:23:58 s 1 +147332.40 5 +16201.483 4310.0 C57
2021-08-21 14:33:58 S 22 48 41.047 +00 51 22.43 V C57
2021-08-21 14:33:58 s 1 +147774.73 5 +17216.371 5890.0 C57
2021-08-21 14:43:58 S 22 48 40.834 +00 51 38.70 V C57
2021-08-21 14:43:58 s 1 +148211.51 8 +18230.599 9450.0 C57
2021-08-21 14:53:58 S 22 48 40.438 +00 51 53.32 V C57
2021-08-21 14:53:58 s 1 +148642.79 9 +19244.136 5140.0 C57
2021-08-21 15:03:58 S 22 48 40.238 +00 52 07.90 V C57
2021-08-21 15:03:58 s 1 +149068.62 1 +20256.951 3100.0 C57
2021-08-21 15:13:58 S 22 48 40.102 +00 52 22.55 V C57
2021-08-21 15:13:58 s 1 +149489.02 8 +21269.016 3480.0 C57
2021-08-21 15:23:58 S 22 48 39.660 +00 52 37.06 V C57
2021-08-21 15:23:58 s 1 +149904.06 2 +22280.303 6410.0 C57
2021-08-21 15:33:58 S 22 48 39.331 +00 52 53.44 V C57
2021-08-21 15:33:58 s 1 +150313.76 7 +23290.782 2040.0 C57
2021-08-21 15:43:58 S 22 48 39.108 +00 53 04.92 V C57
2021-08-21 15:43:58 s 1 +150718.18 3 +24300.428 510.0 C57
2021-08-21 15:53:58 S 22 48 38.782 +00 53 21.30 V C57
2021-08-21 15:53:58 s 1 +151117.35 5 +25309.214 1950.0 C57
2021-08-21 16:03:58 S 22 48 38.714 +00 53 38.58 V C57
2021-08-21 16:03:58 s 1 +151511.32 2 +26317.114 6510.0 C57
2021-08-21 16:13:58 S 22 48 38.311 +00 53 53.92 V C57
2021-08-21 16:13:58 s 1 +151900.12 6 +27324.103 4300.0 C57
2021-08-21 16:23:58 S 22 48 38.117 +00 54 07.81 V C57
2021-08-21 16:23:58 s 1 +152283.80 9 +28330.156 5480.0 C57
2021-08-21 16:33:58 S 22 48 37.841 +00 54 25.09 V C57
2021-08-21 16:33:58 s 1 +152662.41 1 +29335.250 180.0 C57
2021-08-21 16:43:58 S 22 48 37.735 +00 54 37.98 V C57
2021-08-21 16:43:58 s 1 +153035.97 2 +30339.360 8520.0 C57
2021-08-21 16:53:58 S 22 48 37.325 +00 54 58.14 V C57
2021-08-21 16:53:58 s 1 +153404.53 3 +31342.465 650.0 C57
2021-08-21 17:03:58 S 22 48 36.821 +00 55 09.70 V C57
2021-08-21 17:03:58 s 1 +153768.13 3 +32344.542 6680.0 C57
2021-08-21 17:33:58 S 22 48 36.096 +00 55 52.28 V C57
2021-08-21 17:33:58 s 1 +154829.55 8 +35344.391 9520.0 C57
2021-08-21 17:43:58 S 22 48 35.858 +00 56 09.24 V C57
2021-08-21 17:43:58 s 1 +155173.70 4 +36342.146 2470.0 C57
2021-08-21 17:53:58 S 22 48 35.568 +00 56 24.50 V C57
2021-08-21 17:53:58 s 1 +155513.08 3 +37338.769 9960.0 C57
2021-08-21 18:03:58 S 22 48 35.330 +00 56 40.09 V C57
2021-08-21 18:03:58 s 1 +155847.73 2 +38334.243 2130.0 C57
2021-08-21 18:13:58 S 22 48 35.059 +00 56 57.52 V C57
2021-08-21 18:13:58 s 1 +156177.68 8 +39328.548 9080.0 C57