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
2021-11-30 23:33:54 s 1 -168413.09 4 +149119.96 1080.0 – C57
2021-11-30 23:43:54 S 05 47 55.058 +25 09 59.83 – V C57
2021-11-30 23:43:54 s 1 -168428.37 5 +148337.55 5340.0 – C57
2021-11-30 23:53:54 S 05 47 55.051 +25 09 47.41 – V C57
2021-11-30 23:53:54 s 1 -168441.78 4 +147553.48 1880.0 – C57
2021-12-01 00:03:54 S 05 47 54.830 +25 09 36.83 – V C57
2021-12-01 00:03:54 s 1 -168453.30 8 +146767.77 660.0 – C57
2021-12-01 01:03:54 S 05 47 54.108 +25 08 26.30 – V C57
2021-12-01 01:03:54 s 1 -168482.21 3 +142018.80 7650.0 – C57
2021-12-01 01:13:54 S 05 47 54.170 +25 08 15.76 – V C57
2021-12-01 01:13:54 s 1 -168480.20 9 +141221.51 740.0 – C57
2021-12-01 01:23:54 S 05 47 53.981 +25 08 01.43 – V C57
2021-12-01 01:23:54 s 1 -168476.22 3 +140422.56 5690.0 – C57
2021-12-01 01:33:54 S 05 47 54.012 +25 07 47.93 – V C57
2021-12-01 01:33:54 s 1 -168470.24 2 +139621.94 2420.0 – C57
2021-12-01 01:43:54 S 05 47 53.770 +25 07 35.83 – V C57
2021-12-01 01:43:54 s 1 -168462.25 2 +138819.67 910.0 – C57
2021-12-01 01:53:54 S 05 47 53.647 +25 07 21.68 – V C57
2021-12-01 01:53:54 s 1 -168452.24 2 +138015.73 1080.0 – C57
2021-12-01 02:03:54 S 05 47 53.681 +25 07 11.39 – V C57
2021-12-01 02:03:54 s 1 -168440.19 7 +137210.12 2900.0 – C57
2021-12-01 02:13:54 S 05 47 53.772 +25 07 00.26 – V C57
2021-12-01 02:13:54 s 1 -168426.10 6 +136402.85 6300.0 – C57
2021-12-01 02:23:54 S 05 47 53.554 +25 06 46.87 – V C57
2021-12-01 02:23:54 s 1 -168409.95 4 +135593.91 1240.0 – C57
2021-12-01 02:33:54 S 05 47 53.530 +25 06 34.34 – V C57
2021-12-01 02:33:54 s 1 -168391.72 7 +134783.30 7660.0 – C57
2021-12-01 02:43:54 S 05 47 53.273 +25 06 22.72 – V C57
2021-12-01 02:43:54 s 1 -168371.41 3 +133971.02 5510.0 – C57
2021-12-01 02:53:54 S 05 47 53.009 +25 06 11.05 – V C57
2021-12-01 02:53:54 s 1 -168348.99 8 +133157.07 4730.0 – C57
2021-12-01 03:03:54 S 05 47 53.086 +25 05 59.24 – V C57
2021-12-01 03:03:54 s 1 -168324.46 8 +132341.45 5270.0 – C57
2021-12-01 03:13:54 S 05 47 52.862 +25 05 47.47 – V C57
2021-12-01 03:13:54 s 1 -168297.80 9 +131524.15 7070.0 – C57
2021-12-01 03:23:54 S 05 47 52.805 +25 05 32.86 – V C57
2021-12-01 03:23:54 s 1 -168269.00 6 +130705.18 80.0 – C57
2021-12-01 03:33:54 S 05 47 52.884 +25 05 22.34 – V C57
2021-12-01 03:33:54 s 1 -168238.04 6 +129884.53 4240.0 – C57
2021-12-01 03:43:54 S 05 47 52.670 +25 05 09.64 – V C57
2021-12-01 03:43:54 s 1 -168204.91 5 +129062.21 9490.0 – C57
2021-12-01 03:53:54 S 05 47 52.572 +25 04 58.76 – V C57
2021-12-01 03:53:54 s 1 -168169.59 7 +128238.21 5780.0 – C57
2021-12-01 04:03:54 S 05 47 52.570 +25 04 46.06 – V C57
2021-12-01 04:03:54 s 1 -168132.07 8 +127412.54 3040.0 – C57
2021-12-01 04:13:54 S 05 47 52.394 +25 04 35.98 – V C57
2021-12-01 04:13:54 s 1 -168092.34 5 +126585.18 1230.0 – C57
2021-12-01 04:23:54 S 05 47 52.390 +25 04 22.73 – V C57
2021-12-01 04:23:54 s 1 -168050.38 0 +125756.15 270.0 – C57
2021-12-01 04:33:54 S 05 47 52.217 +25 04 10.42 – V C57