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
2021-11-16 21:13:55 S 05 46 59.424 +29 56 00.24 – V C57
2021-11-16 21:13:55 s 1 -153641.75 2 +240802.75 5340.0 – C57
2021-11-16 21:23:55 S 05 46 59.347 +29 55 53.11 – V C57
2021-11-16 21:23:55 s 1 -153835.81 9 +240228.34 9770.0 – C57
2021-11-16 21:33:55 S 05 46 59.676 +29 55 48.14 – V C57
2021-11-16 21:33:55 s 1 -154028.99 5 +239652.54 640.0 – C57
2021-11-16 21:43:55 S 05 47 00.007 +29 55 37.56 – V C57
2021-11-16 21:43:55 s 1 -154221.27 7 +239075.34 7930.0 – C57
2021-11-16 22:23:55 S 05 47 00.434 +29 55 12.47 – V C57
2021-11-16 22:23:55 s 1 -154981.36 8 +236752.58 940.0 – C57
2021-11-16 22:43:55 S 05 47 00.478 +29 54 58.79 – V C57
2021-11-16 22:43:55 s 1 -155355.93 0 +235582.79 5530.0 – C57
2021-11-16 22:53:55 S 05 47 00.523 +29 54 53.42 – V C57
2021-11-16 22:53:55 s 1 -155541.82 4 +234995.78 7280.0 – C57
2021-11-16 23:33:55 S 05 47 01.068 +29 54 26.17 – V C57
2021-11-16 23:33:55 s 1 -156276.04 3 +232633.65 6940.0 – C57
2021-11-16 23:43:55 S 05 47 01.294 +29 54 18.83 – V C57
2021-11-16 23:43:55 s 1 -156457.23 5 +232039.58 9920.0 – C57
2021-11-16 23:53:55 S 05 47 01.517 +29 54 08.06 – V C57
2021-11-16 23:53:55 s 1 -156637.47 3 +231444.09 9100.0 – C57
2021-11-17 00:03:55 S 05 47 01.363 +29 53 59.17 – V C57
2021-11-17 00:03:55 s 1 -156816.75 2 +230847.18 4450.0 – C57
2021-11-17 00:13:55 S 05 47 01.778 +29 53 53.81 – V C57
2021-11-17 00:13:55 s 1 -156995.06 6 +230248.85 5960.0 – C57
2021-11-17 00:33:55 S 05 47 01.997 +29 53 42.47 – V C57
2021-11-17 00:33:55 s 1 -157348.78 3 +229047.92 7360.0 – C57
2021-11-17 00:43:55 S 05 47 02.083 +29 53 35.09 – V C57
2021-11-17 00:43:55 s 1 -157524.17 6 +228445.31 7220.0 – C57
2021-11-17 01:13:55 S 05 47 02.633 +29 53 09.56 – V C57
2021-11-17 01:13:55 s 1 -158044.43 1 +226628.91 3210.0 – C57
2021-11-17 01:33:55 S 05 47 02.923 +29 52 55.20 – V C57
2021-11-17 01:33:55 s 1 -158386.28 2 +225410.80 7340.0 – C57
2021-11-17 01:43:55 S 05 47 03.031 +29 52 50.20 – V C57
2021-11-17 01:43:55 s 1 -158555.69 7 +224799.59 3390.0 – C57
2021-11-17 02:13:55 S 05 47 03.322 +29 52 28.27 – V C57
2021-11-17 02:13:55 s 1 -159057.83 3 +222957.30 7260.0 – C57
2021-11-17 02:33:55 S 05 47 03.590 +29 52 18.01 – V C57
2021-11-17 02:33:55 s 1 -159387.45 0 +221721.88 2720.0 – C57
2021-11-17 02:43:55 S 05 47 03.722 +29 52 09.95 – V C57
2021-11-17 02:43:55 s 1 -159550.70 0 +221101.99 4250.0 – C57
2021-11-17 02:53:55 S 05 47 04.198 +29 52 02.21 – V C57
2021-11-17 02:53:55 s 1 -159712.90 4 +220480.65 1630.0 – C57
2021-11-17 03:03:55 S 05 47 04.032 +29 51 54.79 – V C57
2021-11-17 03:03:55 s 1 -159874.05 6 +219857.86 4830.0 – C57
2021-11-17 03:53:55 S 05 47 04.490 +29 51 16.06 – V C57
2021-11-17 03:53:55 s 1 -160663.85 7 +216722.02 7450.0 – C57
2021-11-17 04:03:55 S 05 47 05.040 +29 51 07.49 – V C57
2021-11-17 04:03:55 s 1 -160818.58 6 +216090.47 5140.0 – C57
2021-11-17 04:43:55 S 05 47 05.438 +29 50 42.86 – V C57
2021-11-17 04:43:55 s 1 -161426.54 1 +213549.54 2450.0 – C57