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 07:23:58 S 22 48 53.282 +00 40 20.68 V C57
2021-08-21 07:23:58 s 1 +123124.49 5 -26479.277 6920.0 C57
2021-08-21 07:33:58 S 22 48 52.932 +00 40 35.98 V C57
2021-08-21 07:33:58 s 1 +123842.77 0 -25476.887 7320.0 C57
2021-08-21 07:43:58 S 22 48 52.445 +00 40 53.80 V C57
2021-08-21 07:43:58 s 1 +124553.45 6 -24472.948 2930.0 C57
2021-08-21 08:03:58 S 22 48 52.284 +00 41 24.79 V C57
2021-08-21 08:03:58 s 1 +125952.26 2 -22460.741 470.0 C57
2021-08-21 08:23:58 S 22 48 51.518 +00 41 53.16 V C57
2021-08-21 08:23:58 s 1 +127321.31 3 -20443.277 860.0 C57
2021-08-21 08:33:58 S 22 48 51.103 +00 42 09.50 V C57
2021-08-21 08:33:58 s 1 +127994.80 5 -19432.760 5050.0 C57
2021-08-21 08:43:58 S 22 48 51.014 +00 42 25.74 V C57
2021-08-21 08:43:58 s 1 +128661.00 8 -18421.149 5460.0 C57
2021-08-21 08:53:58 S 22 48 50.561 +00 42 42.16 V C57
2021-08-21 08:53:58 s 1 +129319.97 4 -17408.515 2250.0 C57
2021-08-21 09:03:58 S 22 48 50.321 +00 43 00.84 V C57
2021-08-21 09:03:58 s 1 +129971.75 2 -16394.926 5590.0 C57
2021-08-21 09:13:58 S 22 48 49.997 +00 43 13.73 V C57
2021-08-21 09:13:58 s 1 +130616.39 3 -15380.450 5650.0 C57
2021-08-21 09:23:58 S 22 48 49.543 +00 43 26.40 V C57
2021-08-21 09:23:58 s 1 +131253.94 7 -14365.153 2610.0 C57
2021-08-21 09:33:58 S 22 48 49.394 +00 43 44.44 V C57
2021-08-21 09:33:58 s 1 +131884.46 6 -13349.100 6620.0 C57
2021-08-21 09:43:58 S 22 48 49.051 +00 44 00.06 V C57
2021-08-21 09:43:58 s 1 +132507.99 9 -12332.352 7860.0 C57
2021-08-21 09:53:58 S 22 48 48.826 +00 44 12.73 V C57
2021-08-21 09:53:58 s 1 +133124.59 8 -11314.973 6490.0 C57
2021-08-21 11:43:58 S 22 48 45.662 +00 47 02.54 V C57
2021-08-21 11:43:58 s 1 +139463.84 5 - 98.429 7100.0 C57
2021-08-21 11:53:58 S 22 48 45.509 +00 47 18.67 V C57
2021-08-21 11:53:58 s 1 +140001.13 0 + 922.191 7410.0 C57
2021-08-21 12:03:58 S 22 48 45.094 +00 47 32.82 V C57
2021-08-21 12:03:58 s 1 +140532.12 6 + 1942.755 7260.0 C57
2021-08-21 12:13:58 S 22 48 44.995 +00 47 49.27 V C57
2021-08-21 12:13:58 s 1 +141056.88 2 + 2963.219 6800.0 C57
2021-08-21 12:23:58 S 22 48 44.794 +00 48 02.56 V C57
2021-08-21 12:23:58 s 1 +141575.44 6 + 3983.538 6200.0 C57
2021-08-21 12:33:58 S 22 48 44.316 +00 48 19.37 V C57
2021-08-21 12:33:58 s 1 +142087.86 6 + 5003.670 5610.0 C57
2021-08-21 12:43:58 S 22 48 44.160 +00 48 35.78 V C57
2021-08-21 12:43:58 s 1 +142594.18 9 + 6023.574 5180.0 C57
2021-08-21 12:53:58 S 22 48 43.759 +00 48 48.67 V C57
2021-08-21 12:53:58 s 1 +143094.46 3 + 7043.207 5090.0 C57
2021-08-21 13:03:58 S 22 48 43.392 +00 49 05.38 V C57
2021-08-21 13:03:58 s 1 +143588.73 5 + 8062.531 5480.0 C57
2021-08-21 13:23:58 S 22 48 42.924 +00 49 33.60 V C57
2021-08-21 13:23:58 s 1 +144559.46 0 +10100.095 8320.0 C57
2021-08-21 13:33:58 S 22 48 42.751 +00 49 49.94 V C57
2021-08-21 13:33:58 s 1 +145036.00 6 +11118.259 1080.0 C57