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
2021-08-24 21:23:58 s 1 +94014.541 0 +329134.17 8160.0 – C57
2021-08-24 21:33:58 S 22 47 23.201 +02 49 21.68 – V C57
2021-08-24 21:33:58 s 1 +93676.657 0 +329462.99 8980.0 – C57
2021-08-24 21:43:58 S 22 47 23.227 +02 49 37.67 – V C57
2021-08-24 21:43:58 s 1 +93338.434 0 +329790.63 8770.0 – C57
2021-08-24 21:53:58 S 22 47 23.042 +02 49 52.61 – V C57
2021-08-24 21:53:58 s 1 +92999.874 0 +330117.11 7550.0 – C57
2021-08-24 22:03:58 S 22 47 22.944 +02 50 06.40 – V C57
2021-08-24 22:03:58 s 1 +92660.978 0 +330442.40 5300.0 – C57
2021-08-24 22:13:58 S 22 47 22.807 +02 50 21.19 – V C57
2021-08-24 22:13:58 s 1 +92321.748 0 +330766.53 2050.0 – C57
2021-08-24 22:23:58 S 22 47 22.642 +02 50 37.90 – V C57
2021-08-24 22:23:58 s 1 +91982.186 0 +331089.48 7790.0 – C57
2021-08-24 22:33:58 S 22 47 22.658 +02 50 50.96 – V C57
2021-08-24 22:33:58 s 1 +91642.294 0 +331411.27 2540.0 – C57
2021-08-24 22:43:58 S 22 47 22.740 +02 51 06.95 – V C57
2021-08-24 22:43:58 s 1 +91302.073 0 +331731.88 6290.0 – C57
2021-08-24 22:53:58 S 22 47 22.433 +02 51 23.40 – V C57
2021-08-24 22:53:58 s 1 +90961.526 0 +332051.33 9060.0 – C57
2021-08-24 23:13:58 S 22 47 22.505 +02 51 51.44 – V C57
2021-08-24 23:13:58 s 1 +90279.457 0 +332686.72 1660.0 – C57
2021-08-24 23:23:58 S 22 47 22.390 +02 52 08.87 – V C57
2021-08-24 23:23:58 s 1 +89937.939 0 +333002.66 1500.0 – C57
2021-08-24 23:33:58 S 22 47 22.351 +02 52 24.53 – V C57
2021-08-24 23:33:58 s 1 +89596.102 0 +333317.45 370.0 – C57
2021-08-24 23:43:58 S 22 47 22.219 +02 52 39.29 – V C57
2021-08-24 23:43:58 s 1 +89253.946 0 +333631.06 8290.0 – C57
2021-08-25 00:03:58 S 22 47 22.020 +02 53 09.06 – V C57
2021-08-25 00:03:58 s 1 +88568.688 0 +334254.81 1280.0 – C57
2021-08-25 00:23:58 S 22 47 21.991 +02 53 39.41 – V C57
2021-08-25 00:23:58 s 1 +87882.178 0 +334873.92 500.0 – C57
2021-08-25 00:33:58 S 22 47 21.852 +02 53 55.21 – V C57
2021-08-25 00:33:58 s 1 +87538.458 0 +335181.73 3710.0 – C57
2021-08-25 01:43:58 S 22 47 21.151 +02 55 40.58 – V C57
2021-08-25 01:43:58 s 1 +85123.892 0 +337304.06 600.0 – C57
2021-08-25 02:13:58 S 22 47 21.077 +02 56 20.65 – V C57
2021-08-25 02:13:58 s 1 +84084.603 0 +338196.34 5850.0 – C57
2021-08-25 02:23:58 S 22 47 20.858 +02 56 37.61 – V C57
2021-08-25 02:23:58 s 1 +83737.589 0 +338491.46 9190.0 – C57
2021-08-25 02:43:58 S 22 47 20.705 +02 57 09.90 – V C57
2021-08-25 02:43:58 s 1 +83042.693 0 +339078.28 3270.0 – C57
2021-08-25 02:53:58 S 22 47 20.760 +02 57 22.86 – V C57
2021-08-25 02:53:58 s 1 +82694.815 0 +339369.96 4030.0 – C57
2021-08-25 03:03:58 S 22 47 20.642 +02 57 38.81 – V C57
2021-08-25 03:03:58 s 1 +82346.652 0 +339660.50 3930.0 – C57
2021-08-25 03:13:58 S 22 47 20.395 +02 57 55.73 – V C57
2021-08-25 03:13:58 s 1 +81998.207 0 +339949.90 3000.0 – C57
2021-08-25 03:23:58 S 22 47 20.710 +02 58 10.96 – V C57
2021-08-25 03:23:58 s 1 +81649.479 0 +340238.15 1220.0 – C57
2021-08-25 03:33:58 S 22 47 20.366 +02 58 22.94 – V C57