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
2021-12-01 20:33:54 s 1 -150355.89 7 +37542.083 530.0 – C57
2021-12-01 20:43:54 S 05 47 46.229 +24 44 32.64 – V C57
2021-12-01 20:43:54 s 1 -149992.74 2 +36559.556 9900.0 – C57
2021-12-01 20:53:54 S 05 47 46.284 +24 44 19.86 – V C57
2021-12-01 20:53:54 s 1 -149624.84 2 +35575.865 280.0 – C57
2021-12-01 21:03:54 S 05 47 46.188 +24 44 07.84 – V C57
2021-12-01 21:03:54 s 1 -149252.15 5 +34591.030 1520.0 – C57
2021-12-01 21:13:54 S 05 47 46.243 +24 43 57.00 – V C57
2021-12-01 21:13:54 s 1 -148874.64 1 +33605.069 3470.0 – C57
2021-12-01 21:23:54 S 05 47 46.241 +24 43 45.44 – V C57
2021-12-01 21:23:54 s 1 -148492.25 8 +32618.002 5950.0 – C57
2021-12-01 21:33:54 S 05 47 46.188 +24 43 33.42 – V C57
2021-12-01 21:33:54 s 1 -148104.96 4 +31629.849 8820.0 – C57
2021-12-01 21:43:54 S 05 47 46.164 +24 43 20.32 – V C57
2021-12-01 21:43:54 s 1 -147712.71 7 +30640.631 1890.0 – C57
2021-12-01 21:53:54 S 05 47 46.166 +24 43 09.62 – V C57
2021-12-01 21:53:54 s 1 -147315.47 3 +29650.370 5020.0 – C57
2021-12-01 22:03:54 S 05 47 46.080 +24 42 54.50 – V C57
2021-12-01 22:03:54 s 1 -146913.18 9 +28659.087 8040.0 – C57
2021-12-01 22:13:54 S 05 47 46.133 +24 42 42.84 – V C57
2021-12-01 22:13:54 s 1 -146505.82 1 +27666.805 760.0 – C57
2021-12-01 22:23:54 S 05 47 46.114 +24 42 33.08 – V C57
2021-12-01 22:23:54 s 1 -146093.32 5 +26673.548 3030.0 – C57
2021-12-01 22:33:54 S 05 47 46.236 +24 42 21.46 – V C57
2021-12-01 22:33:54 s 1 -145675.65 7 +25679.339 4680.0 – C57
2021-12-01 22:43:54 S 05 47 46.049 +24 42 07.42 – V C57
2021-12-01 22:43:54 s 1 -145252.77 0 +24684.203 5520.0 – C57
2021-12-01 22:53:54 S 05 47 46.159 +24 41 56.18 – V C57
2021-12-01 22:53:54 s 1 -144824.62 1 +23688.165 5400.0 – C57
2021-12-01 23:03:54 S 05 47 46.111 +24 41 44.23 – V C57
2021-12-01 23:03:54 s 1 -144391.16 1 +22691.251 4110.0 – C57
2021-12-01 23:13:54 S 05 47 46.214 +24 41 32.17 – V C57
2021-12-01 23:13:54 s 1 -143952.34 6 +21693.488 1500.0 – C57
2021-12-01 23:33:54 S 05 47 46.054 +24 41 08.34 – V C57
2021-12-01 23:33:54 s 1 -143058.45 9 +19695.526 1580.0 – C57
2021-12-01 23:43:54 S 05 47 46.214 +24 40 52.93 – V C57
2021-12-01 23:43:54 s 1 -142603.29 1 +18695.383 3890.0 – C57
2021-12-01 23:53:54 S 05 47 46.087 +24 40 41.30 – V C57
2021-12-01 23:53:54 s 1 -142142.57 7 +17694.505 4160.0 – C57
2021-12-02 00:03:54 S 05 47 46.104 +24 40 30.25 – V C57
2021-12-02 00:03:54 s 1 -141676.26 8 +16692.924 2170.0 – C57
2021-12-02 00:23:54 S 05 47 46.142 +24 40 08.98 – V C57
2021-12-02 00:23:54 s 1 -140726.66 5 +14687.774 720.0 – C57
2021-12-02 00:43:54 S 05 47 46.013 +24 39 43.45 – V C57
2021-12-02 00:43:54 s 1 -139754.08 3 +12680.195 8010.0 – C57
2021-12-02 00:53:54 S 05 47 46.082 +24 39 31.21 – V C57
2021-12-02 00:53:54 s 1 -139259.04 8 +11675.581 1960.0 – C57
2021-12-02 01:03:54 S 05 47 46.135 +24 39 18.72 – V C57
2021-12-02 01:03:54 s 1 -138758.11 5 +10670.465 2510.0 – C57
2021-12-02 01:13:54 S 05 47 46.128 +24 39 07.81 – V C57