2011 KJ20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.8260693317 ± 2.00e+00
Semi-major axis (a)	2.4285561231 AU ± 3.00e+00
Inclination (i)	14.24435704° ± 4.00e+00
Long. of Asc. Node (Ω)	65.36166226° ± 5.00e+00
Arg. of Perihelion (ω)	348.55557917° ± 6.00e+00
Mean Anomaly (M)	313.55061880° ± 1.87e+01
Mean Motion (n)	0.2603888100°/day ± 4.82e-01
Perihelion dist (q)	0.42195190 AU ± 4.89e+00
Aphelion dist (Q)	4.43560430 AU ± 7.32e+00
Orbital Period	3.78513830 yr ± 7.01e+00

Physical Parameters

H (abs. magnitude)	18.40
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-18
RMS Residual	0.498″
Uncertainty	5
Orbit Type	Apollo
MOID	0.221358 AU
Observations Used	15
Oppositions	1
Arc Total	2011-2011
First Observation Used	—
Last Observation Used	2011-06-03

Observations (15)

Date	Type	RA	Dec	Mag	Band	Observatory
2011-05-28 04:05:41	C	08 47 29.68	+30 37 39.6	–	r	G96
2011-05-28 04:13:22	C	08 47 31.23	+30 37 33.4	–	r	G96
2011-05-28 04:20:52	C	08 47 32.78	+30 37 26.6	–	r	G96
2011-05-28 04:28:31	C	08 47 34.36	+30 37 20.5	–	r	G96
2011-05-31 03:46:54	C	09 01 39.57	+29 36 17.2	–	r	G96
2011-05-31 03:54:00	C	09 01 40.94	+29 36 10.8	–	r	G96
2011-05-31 04:00:59	C	09 01 42.27	+29 36 05.4	–	r	G96
2011-05-31 04:08:02	C	09 01 43.60	+29 35 59.1	–	r	G96
2011-05-31 04:15:01	C	09 01 44.97	+29 35 51.9	–	r	G96
2011-06-03 03:48:38	C	09 14 52.02	+28 33 12.5	–	o	291
2011-06-03 03:54:38	C	09 14 53.16	+28 33 07.0	–	o	291
2011-06-03 03:58:18	C	09 14 53.84	+28 33 02.5	–	r	G96
2011-06-03 04:00:31	C	09 14 54.18	+28 33 01.2	–	o	291
2011-06-03 04:14:47	C	09 14 56.68	+28 32 47.6	–	r	G96
2011-06-03 04:23:05	C	09 14 58.23	+28 32 40.9	–	r	G96