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
2021-08-22 23:33:58 S 22 47 57.163 +01 40 44.26 – V C57
2021-08-22 23:33:58 s 1 +165195.28 9 +189556.22 9670.0 – C57
2021-08-22 23:43:58 S 22 47 57.050 +01 40 57.50 – V C57
2021-08-22 23:43:58 s 1 +165060.68 2 +190261.38 9960.0 – C57
2021-08-22 23:53:58 S 22 47 56.974 +01 41 15.18 – V C57
2021-08-22 23:53:58 s 1 +164924.68 1 +190964.94 5800.0 – C57
2021-08-23 00:03:58 S 22 47 56.796 +01 41 30.26 – V C57
2021-08-23 00:03:58 s 1 +164787.29 3 +191666.88 7210.0 – C57
2021-08-23 00:13:58 S 22 47 56.388 +01 41 43.48 – V C57
2021-08-23 00:13:58 s 1 +164648.52 6 +192367.22 4210.0 – C57
2021-08-23 00:23:58 S 22 47 56.405 +01 41 56.58 – V C57
2021-08-23 00:23:58 s 1 +164508.38 9 +193065.95 6850.0 – C57
2021-08-23 00:33:58 S 22 47 56.354 +01 42 14.62 – V C57
2021-08-23 00:33:58 s 1 +164366.88 8 +193763.07 5130.0 – C57
2021-08-23 00:43:58 S 22 47 55.934 +01 42 28.87 – V C57
2021-08-23 00:43:58 s 1 +164224.03 2 +194458.59 9090.0 – C57
2021-08-23 00:53:58 S 22 47 55.848 +01 42 44.53 – V C57
2021-08-23 00:53:58 s 1 +164079.82 8 +195152.51 8750.0 – C57
2021-08-23 01:03:58 S 22 47 55.850 +01 43 00.23 – V C57
2021-08-23 01:03:58 s 1 +163934.28 4 +195844.82 4130.0 – C57
2021-08-23 01:43:58 S 22 47 55.013 +01 43 55.49 – V C57
2021-08-23 01:43:58 s 1 +163338.85 7 +198598.15 3400.0 – C57
2021-08-23 01:53:58 S 22 47 54.905 +01 44 12.19 – V C57
2021-08-23 01:53:58 s 1 +163186.72 5 +199282.50 7770.0 – C57
2021-08-23 02:03:58 S 22 47 54.667 +01 44 25.91 – V C57
2021-08-23 02:03:58 s 1 +163033.29 7 +199965.27 8010.0 – C57
2021-08-23 02:13:58 S 22 47 54.622 +01 44 39.23 – V C57
2021-08-23 02:13:58 s 1 +162878.58 1 +200646.45 4150.0 – C57
2021-08-23 02:23:58 S 22 47 54.454 +01 44 54.20 – V C57
2021-08-23 02:23:58 s 1 +162722.58 4 +201326.05 6200.0 – C57
2021-08-23 02:33:58 S 22 47 54.290 +01 45 12.06 – V C57
2021-08-23 02:33:58 s 1 +162565.31 3 +202004.07 4190.0 – C57
2021-08-23 02:43:58 S 22 47 53.990 +01 45 25.60 – V C57
2021-08-23 02:43:58 s 1 +162406.77 5 +202680.51 8140.0 – C57
2021-08-23 02:53:58 S 22 47 54.024 +01 45 41.47 – V C57
2021-08-23 02:53:58 s 1 +162246.97 7 +203355.37 8080.0 – C57
2021-08-23 03:03:58 S 22 47 53.753 +01 45 58.21 – V C57
2021-08-23 03:03:58 s 1 +162085.92 7 +204028.66 4020.0 – C57
2021-08-23 03:13:58 S 22 47 53.700 +01 46 09.80 – V C57
2021-08-23 03:13:58 s 1 +161923.63 0 +204700.37 6000.0 – C57
2021-08-23 03:23:58 S 22 47 53.386 +01 46 25.32 – V C57
2021-08-23 03:23:58 s 1 +161760.09 5 +205370.51 4030.0 – C57
2021-08-23 03:33:58 S 22 47 53.170 +01 46 43.10 – V C57
2021-08-23 03:33:58 s 1 +161595.32 7 +206039.09 8130.0 – C57
2021-08-23 03:43:58 S 22 47 53.165 +01 46 55.56 – V C57
2021-08-23 03:43:58 s 1 +161429.33 4 +206706.10 8330.0 – C57
2021-08-23 03:53:58 S 22 47 53.004 +01 47 08.95 – V C57
2021-08-23 03:53:58 s 1 +161262.12 3 +207371.54 4650.0 – C57
2021-08-23 04:03:58 S 22 47 52.675 +01 47 25.26 – V C57
2021-08-23 04:03:58 s 1 +161093.70 0 +208035.42 7110.0 – C57