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 18:33:58 S 22 47 40.207 +02 09 00.25 V C57
2021-08-23 18:33:58 s 1 +142465.57 6 +260037.26 2890.0 C57
2021-08-23 18:43:58 S 22 47 40.289 +02 09 12.35 V C57
2021-08-23 18:43:58 s 1 +142212.23 3 +260571.33 6220.0 C57
2021-08-23 18:53:58 S 22 47 40.013 +02 09 28.48 V C57
2021-08-23 18:53:58 s 1 +141958.12 9 +261104.01 7160.0 C57
2021-08-23 19:03:58 S 22 47 39.660 +02 09 43.45 V C57
2021-08-23 19:03:58 s 1 +141703.26 8 +261635.30 5720.0 C57
2021-08-23 19:13:58 S 22 47 39.629 +02 09 57.89 V C57
2021-08-23 19:13:58 s 1 +141447.65 4 +262165.20 1900.0 C57
2021-08-23 19:23:58 S 22 47 39.521 +02 10 11.75 V C57
2021-08-23 19:23:58 s 1 +141191.29 0 +262693.71 5730.0 C57
2021-08-23 19:33:58 S 22 47 39.326 +02 10 29.39 V C57
2021-08-23 19:33:58 s 1 +140934.18 1 +263220.83 7200.0 C57
2021-08-23 19:43:58 S 22 47 39.202 +02 10 44.22 V C57
2021-08-23 19:43:58 s 1 +140676.32 9 +263746.58 6350.0 C57
2021-08-23 19:53:58 S 22 47 39.194 +02 10 57.79 V C57
2021-08-23 19:53:58 s 1 +140417.73 9 +264270.94 3170.0 C57
2021-08-23 20:03:58 S 22 47 38.959 +02 11 12.52 V C57
2021-08-23 20:03:58 s 1 +140158.41 5 +264793.92 7680.0 C57
2021-08-23 20:13:58 S 22 47 38.983 +02 11 29.33 V C57
2021-08-23 20:13:58 s 1 +139898.35 9 +265315.52 9890.0 C57
2021-08-23 20:23:58 S 22 47 38.882 +02 11 43.55 V C57
2021-08-23 20:23:58 s 1 +139637.57 6 +265835.74 9820.0 C57
2021-08-23 20:33:58 S 22 47 38.573 +02 11 56.58 V C57
2021-08-23 20:33:58 s 1 +139376.06 9 +266354.59 7460.0 C57
2021-08-23 20:43:58 S 22 47 38.304 +02 12 10.44 V C57
2021-08-23 20:43:58 s 1 +139113.84 2 +266872.06 2850.0 C57
2021-08-23 20:53:58 S 22 47 38.280 +02 12 27.97 V C57
2021-08-23 20:53:58 s 1 +138850.89 8 +267388.17 5980.0 C57
2021-08-23 21:03:58 S 22 47 38.239 +02 12 43.06 V C57
2021-08-23 21:03:58 s 1 +138587.24 2 +267902.90 6870.0 C57
2021-08-23 21:13:58 S 22 47 38.160 +02 12 56.20 V C57
2021-08-23 21:13:58 s 1 +138322.87 6 +268416.26 5540.0 C57
2021-08-23 21:23:58 S 22 47 37.894 +02 13 12.40 V C57
2021-08-23 21:23:58 s 1 +138057.80 4 +268928.26 1980.0 C57
2021-08-23 21:33:58 S 22 47 37.730 +02 13 25.36 V C57
2021-08-23 21:33:58 s 1 +137792.02 9 +269438.89 6220.0 C57
2021-08-23 21:43:58 S 22 47 37.526 +02 13 45.16 V C57
2021-08-23 21:43:58 s 1 +137525.55 6 +269948.15 8270.0 C57
2021-08-23 21:53:58 S 22 47 37.498 +02 13 53.65 V C57
2021-08-23 21:53:58 s 1 +137258.38 7 +270456.06 8130.0 C57
2021-08-23 22:03:58 S 22 47 37.354 +02 14 08.63 V C57
2021-08-23 22:03:58 s 1 +136990.52 6 +270962.60 5810.0 C57
2021-08-23 22:13:58 S 22 47 37.457 +02 14 26.16 V C57
2021-08-23 22:13:58 s 1 +136721.97 6 +271467.78 1340.0 C57
2021-08-23 22:23:58 S 22 47 37.147 +02 14 42.18 V C57
2021-08-23 22:23:58 s 1 +136452.74 1 +271971.61 4720.0 C57
2021-08-23 22:33:58 S 22 47 37.044 +02 14 57.44 V C57
2021-08-23 22:33:58 s 1 +136182.82 4 +272474.08 5950.0 C57