IAA RAS IAA Minor Planet Database

162149 (1998 YQ11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3965435601 ± 1.34e-08
Semi-major axis (a)1.8743296252 AU ± 8.23e-10
Inclination (i)11.93086553° ± 2.10e-06
Long. of Asc. Node (Ω)256.53991892° ± 5.78e-06
Arg. of Perihelion (ω)245.80635025° ± 8.14e-06
Mean Anomaly (M)166.32474788° ± 2.28e-06
Mean Motion (n)0.3840991285°/day ± 2.53e-10
Perihelion dist (q)1.13107628 AU ± 2.51e-08
Aphelion dist (Q)2.61758297 AU ± 2.51e-08
Orbital Period2.56607269 yr ± 1.69e-09
Physical Parameters
H (abs. magnitude)17.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.466″
Uncertainty0
Orbit TypeAmor
MOID0.229168 AU
Observations Used2182
Oppositions16
Arc Total1998-2025
First Observation Used1998-12-23
Last Observation Used2025-06-04
Observations (3437)
Date Type RA Dec Mag Band Observatory
2021-11-23 01:23:55 S 05 49 43.961 +28 17 32.64 – V C57
2021-11-23 01:23:55 s 1 +157516.05 3 +258463.17 7790.0 – C57
2021-11-23 01:43:55 S 05 49 43.867 +28 17 18.42 – V C57
2021-11-23 01:43:55 s 1 +157106.33 6 +259512.19 1890.0 – C57
2021-11-23 01:53:55 S 05 49 43.687 +28 17 11.44 – V C57
2021-11-23 01:53:55 s 1 +156900.31 2 +260034.79 9840.0 – C57
2021-11-23 02:03:55 S 05 49 43.966 +28 16 57.72 – V C57
2021-11-23 02:03:55 s 1 +156693.51 6 +260556.11 5060.0 – C57
2021-11-23 02:43:55 S 05 49 43.843 +28 16 32.92 – V C57
2021-11-23 02:43:55 s 1 +155858.67 6 +262628.73 8960.0 – C57
2021-11-23 03:13:55 S 05 49 44.028 +28 16 09.77 – V C57
2021-11-23 03:13:55 s 1 +155224.59 9 +264169.90 6390.0 – C57
2021-11-23 03:23:55 S 05 49 44.057 +28 16 03.65 – V C57
2021-11-23 03:23:55 s 1 +155011.74 5 +264681.10 270.0 – C57
2021-11-23 03:33:55 S 05 49 43.961 +28 15 54.18 – V C57
2021-11-23 03:33:55 s 1 +154798.14 8 +265191.04 1540.0 – C57
2021-11-23 03:43:55 S 05 49 43.843 +28 15 46.80 – V C57
2021-11-23 03:43:55 s 1 +154583.81 1 +265699.72 200.0 – C57
2021-11-23 03:53:55 S 05 49 44.227 +28 15 39.24 – V C57
2021-11-23 03:53:55 s 1 +154368.73 9 +266207.15 6280.0 – C57
2021-11-23 04:03:55 S 05 49 43.824 +28 15 30.10 – V C57
2021-11-23 04:03:55 s 1 +154152.93 4 +266713.32 9780.0 – C57
2021-11-23 04:13:55 S 05 49 44.148 +28 15 26.96 – V C57
2021-11-23 04:13:55 s 1 +153936.39 9 +267218.23 710.0 – C57
2021-11-23 04:33:55 S 05 49 43.870 +28 15 09.58 – V C57
2021-11-23 04:33:55 s 1 +153501.15 4 +268224.30 4920.0 – C57
2021-11-23 04:43:55 S 05 49 44.189 +28 14 59.86 – V C57
2021-11-23 04:43:55 s 1 +153282.44 9 +268725.46 8220.0 – C57
2021-11-23 04:53:55 S 05 49 44.014 +28 14 56.04 – V C57
2021-11-23 04:53:55 s 1 +153063.02 7 +269225.38 9000.0 – C57
2021-11-23 05:13:55 S 05 49 43.891 +28 14 40.81 – V C57
2021-11-23 05:13:55 s 1 +152622.04 5 +270221.46 3050.0 – C57
2021-11-23 05:33:55 S 05 49 43.920 +28 14 25.44 – V C57
2021-11-23 05:33:55 s 1 +152178.23 2 +271212.56 7150.0 – C57
2021-11-23 05:43:55 S 05 49 43.908 +28 14 16.55 – V C57
2021-11-23 05:43:55 s 1 +151955.27 2 +271706.24 5500.0 – C57
2021-11-23 06:03:55 S 05 49 44.174 +28 14 00.82 – V C57
2021-11-23 06:03:55 s 1 +151507.25 8 +272689.89 4850.0 – C57
2021-11-23 06:23:55 S 05 49 44.237 +28 13 46.63 – V C57
2021-11-23 06:23:55 s 1 +151056.47 3 +273668.58 4480.0 – C57
2021-11-23 06:43:55 S 05 49 43.826 +28 13 28.78 – V C57
2021-11-23 06:43:55 s 1 +150602.94 2 +274642.33 4470.0 – C57
2021-11-23 06:53:55 S 05 49 43.850 +28 13 25.07 – V C57
2021-11-23 06:53:55 s 1 +150375.15 4 +275127.36 5880.0 – C57
2021-11-23 07:03:55 S 05 49 43.934 +28 13 14.88 – V C57
2021-11-23 07:03:55 s 1 +150146.68 8 +275611.15 4920.0 – C57
2021-11-23 07:33:55 S 05 49 43.915 +28 12 51.80 – V C57
2021-11-23 07:33:55 s 1 +149457.25 2 +277055.14 7870.0 – C57
2021-11-23 07:53:55 S 05 49 43.687 +28 12 33.55 – V C57
2021-11-23 07:53:55 s 1 +148994.29 2 +278011.66 4810.0 – C57