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 08:33:58 S 22 47 48.586 +01 54 05.51 – V C57
2021-08-23 08:33:58 s 1 +156111.45 2 +225376.95 340.0 – C57
2021-08-23 08:43:58 S 22 47 48.422 +01 54 20.63 – V C57
2021-08-23 08:43:58 s 1 +155911.64 0 +225997.90 3000.0 – C57
2021-08-23 08:53:58 S 22 47 48.302 +01 54 36.47 – V C57
2021-08-23 08:53:58 s 1 +155710.79 2 +226617.35 2370.0 – C57
2021-08-23 09:23:58 S 22 47 47.786 +01 55 22.37 – V C57
2021-08-23 09:23:58 s 1 +155102.08 5 +228466.67 920.0 – C57
2021-08-23 09:33:58 S 22 47 47.650 +01 55 34.25 – V C57
2021-08-23 09:33:58 s 1 +154897.14 6 +229080.12 7320.0 – C57
2021-08-23 09:43:58 S 22 47 47.306 +01 55 51.31 – V C57
2021-08-23 09:43:58 s 1 +154691.19 9 +229692.07 510.0 – C57
2021-08-23 09:53:58 S 22 47 47.386 +01 56 03.98 – V C57
2021-08-23 09:53:58 s 1 +154484.24 8 +230302.54 520.0 – C57
2021-08-23 10:03:58 S 22 47 47.270 +01 56 18.96 – V C57
2021-08-23 10:03:58 s 1 +154276.29 9 +230911.51 7360.0 – C57
2021-08-23 10:13:58 S 22 47 46.939 +01 56 35.63 – V C57
2021-08-23 10:13:58 s 1 +154067.35 6 +231518.99 1050.0 – C57
2021-08-23 10:23:58 S 22 47 46.783 +01 56 48.66 – V C57
2021-08-23 10:23:58 s 1 +153857.42 5 +232124.98 1610.0 – C57
2021-08-23 10:33:58 S 22 47 46.848 +01 57 05.22 – V C57
2021-08-23 10:33:58 s 1 +153646.51 1 +232729.49 9050.0 – C57
2021-08-23 10:43:58 S 22 47 46.574 +01 57 19.08 – V C57
2021-08-23 10:43:58 s 1 +153434.62 0 +233332.52 3400.0 – C57
2021-08-23 10:53:58 S 22 47 46.538 +01 57 32.22 – V C57
2021-08-23 10:53:58 s 1 +153221.75 6 +233934.07 4660.0 – C57
2021-08-23 11:03:58 S 22 47 46.310 +01 57 48.60 – V C57
2021-08-23 11:03:58 s 1 +153007.92 4 +234534.14 2850.0 – C57
2021-08-23 11:13:58 S 22 47 46.104 +01 58 03.07 – V C57
2021-08-23 11:13:58 s 1 +152793.13 0 +235132.73 8000.0 – C57
2021-08-23 11:23:58 S 22 47 46.037 +01 58 20.24 – V C57
2021-08-23 11:23:58 s 1 +152577.37 9 +235729.84 110.0 – C57
2021-08-23 11:33:58 S 22 47 45.746 +01 58 33.20 – V C57
2021-08-23 11:33:58 s 1 +152360.67 5 +236325.49 9200.0 – C57
2021-08-23 11:43:58 S 22 47 45.703 +01 58 47.68 – V C57
2021-08-23 11:43:58 s 1 +152143.02 3 +236919.66 5290.0 – C57
2021-08-23 11:53:58 S 22 47 45.617 +01 59 03.48 – V C57
2021-08-23 11:53:58 s 1 +151924.42 9 +237512.36 8400.0 – C57
2021-08-23 12:03:58 S 22 47 45.506 +01 59 16.04 – V C57
2021-08-23 12:03:58 s 1 +151704.89 7 +238103.60 8530.0 – C57
2021-08-23 12:13:58 S 22 47 45.307 +01 59 33.40 – V C57
2021-08-23 12:13:58 s 1 +151484.43 2 +238693.37 5710.0 – C57
2021-08-23 12:23:58 S 22 47 45.074 +01 59 49.85 – V C57
2021-08-23 12:23:58 s 1 +151263.03 8 +239281.68 9960.0 – C57
2021-08-23 12:33:58 S 22 47 45.120 +02 00 02.27 – V C57
2021-08-23 12:33:58 s 1 +151040.72 2 +239868.52 1280.0 – C57
2021-08-23 13:13:58 S 22 47 44.189 +02 01 04.62 – V C57
2021-08-23 13:13:58 s 1 +150146.82 4 +242201.12 3360.0 – C57
2021-08-23 13:23:58 S 22 47 44.258 +02 01 18.30 – V C57
2021-08-23 13:23:58 s 1 +149919.97 7 +242780.69 330.0 – C57