IAA RAS IAA Minor Planet Database

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 04:13:58 S 22 47 52.639 +01 47 42.18 – V C57
2021-08-23 04:13:58 s 1 +160924.07 1 +208697.74 5730.0 – C57
2021-08-23 04:23:58 S 22 47 52.483 +01 47 54.35 – V C57
2021-08-23 04:23:58 s 1 +160753.24 4 +209358.50 540.0 – C57
2021-08-23 04:33:58 S 22 47 52.159 +01 48 09.07 – V C57
2021-08-23 04:33:58 s 1 +160581.22 4 +210017.71 1550.0 – C57
2021-08-23 04:43:58 S 22 47 51.977 +01 48 24.37 – V C57
2021-08-23 04:43:58 s 1 +160408.02 0 +210675.36 8790.0 – C57
2021-08-23 04:53:58 S 22 47 51.823 +01 48 38.48 – V C57
2021-08-23 04:53:58 s 1 +160233.63 6 +211331.46 2280.0 – C57
2021-08-23 05:03:58 S 22 47 51.804 +01 48 56.09 – V C57
2021-08-23 05:03:58 s 1 +160058.07 9 +211986.01 2030.0 – C57
2021-08-23 05:13:58 S 22 47 51.492 +01 49 07.28 – V C57
2021-08-23 05:13:58 s 1 +159881.35 6 +212639.01 8080.0 – C57
2021-08-23 05:23:58 S 22 47 51.499 +01 49 27.23 – V C57
2021-08-23 05:23:58 s 1 +159703.47 4 +213290.46 430.0 – C57
2021-08-23 05:33:58 S 22 47 51.283 +01 49 38.10 – V C57
2021-08-23 05:33:58 s 1 +159524.43 7 +213940.37 9110.0 – C57
2021-08-23 05:43:58 S 22 47 51.122 +01 49 52.14 – V C57
2021-08-23 05:43:58 s 1 +159344.25 4 +214588.74 4150.0 – C57
2021-08-23 05:53:58 S 22 47 50.861 +01 50 08.66 – V C57
2021-08-23 05:53:58 s 1 +159162.92 9 +215235.56 5550.0 – C57
2021-08-23 06:03:58 S 22 47 50.796 +01 50 22.99 – V C57
2021-08-23 06:03:58 s 1 +158980.46 9 +215880.85 3340.0 – C57
2021-08-23 06:13:58 S 22 47 50.726 +01 50 39.30 – V C57
2021-08-23 06:13:58 s 1 +158796.88 1 +216524.60 7550.0 – C57
2021-08-23 06:23:58 S 22 47 50.573 +01 50 53.84 – V C57
2021-08-23 06:23:58 s 1 +158612.16 9 +217166.82 8180.0 – C57
2021-08-23 06:33:58 S 22 47 50.642 +01 51 08.68 – V C57
2021-08-23 06:33:58 s 1 +158426.34 1 +217807.51 5270.0 – C57
2021-08-23 06:43:58 S 22 47 50.534 +01 51 20.77 – V C57
2021-08-23 06:43:58 s 1 +158239.40 3 +218446.66 8820.0 – C57
2021-08-23 06:53:58 S 22 47 50.285 +01 51 35.14 – V C57
2021-08-23 06:53:58 s 1 +158051.36 0 +219084.29 8860.0 – C57
2021-08-23 07:13:58 S 22 47 49.608 +01 52 07.00 – V C57
2021-08-23 07:13:58 s 1 +157671.98 2 +220354.97 8490.0 – C57
2021-08-23 07:23:58 S 22 47 49.642 +01 52 21.90 – V C57
2021-08-23 07:23:58 s 1 +157480.66 0 +220988.02 8120.0 – C57
2021-08-23 07:33:58 S 22 47 49.303 +01 52 36.62 – V C57
2021-08-23 07:33:58 s 1 +157288.25 7 +221619.56 4300.0 – C57
2021-08-23 07:43:58 S 22 47 49.399 +01 52 51.74 – V C57
2021-08-23 07:43:58 s 1 +157094.77 8 +222249.57 7080.0 – C57
2021-08-23 07:53:58 S 22 47 49.253 +01 53 06.68 – V C57
2021-08-23 07:53:58 s 1 +156900.23 0 +222878.07 6450.0 – C57
2021-08-23 08:03:58 S 22 47 48.982 +01 53 21.44 – V C57
2021-08-23 08:03:58 s 1 +156704.61 8 +223505.06 2440.0 – C57
2021-08-23 08:13:58 S 22 47 48.917 +01 53 37.03 – V C57
2021-08-23 08:13:58 s 1 +156507.94 7 +224130.53 5080.0 – C57
2021-08-23 08:23:58 S 22 47 48.410 +01 53 49.85 – V C57
2021-08-23 08:23:58 s 1 +156310.22 3 +224754.50 4370.0 – C57