2011 OS15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.3334265000 ± 2.00e+00
Semi-major axis (a)	1.7346252000 AU ± 3.00e+00
Inclination (i)	5.36181000° ± 4.00e+00
Long. of Asc. Node (Ω)	111.81124000° ± 5.00e+00
Arg. of Perihelion (ω)	171.83671000° ± 6.00e+00
Mean Anomaly (M)	107.40266000° ± 2.51e+03
Mean Motion (n)	0.4314153400°/day ± 1.12e+00
Perihelion dist (q)	1.15625520 AU ± 4.00e+00
Aphelion dist (Q)	2.31299520 AU ± 5.30e+00
Orbital Period	2.28459110 yr ± 5.93e+00

Physical Parameters

H (abs. magnitude)	24.20
G (slope)	0.15

Orbit Solution

Source	MPC
Solution Date	—
RMS Residual	0.150″
Uncertainty	6
Orbit Type	Amor
MOID	0.138697 AU
Observations Used	16
Oppositions	1
Arc Total	—
First Observation Used	—
Last Observation Used	2011-08-01

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2011-07-27 11:18:17	C	21 52 51.094	-22 43 46.31	–	L	F51
2011-07-27 12:00:36	C	21 52 53.492	-22 44 24.35	–	L	F51
2011-07-27 12:21:46	C	21 52 54.668	-22 44 43.57	–	L	F51
2011-07-28 10:19:45	C	21 54 28.18	-23 04 09.9	–	o	F65
2011-07-28 10:22:54	C	21 54 28.36	-23 04 12.7	–	o	F65
2011-07-28 10:26:00	C	21 54 28.50	-23 04 14.9	–	o	F65
2011-07-28 10:29:06	C	21 54 28.68	-23 04 18.2	–	o	F65
2011-07-29 10:51:20	C	21 56 07.65	-23 24 30.8	–	o	E10
2011-07-29 10:59:56	C	21 56 08.14	-23 24 38.5	–	o	E10
2011-07-29 11:08:45	C	21 56 08.68	-23 24 46.7	–	o	E10
2011-07-29 11:15:43	C	21 56 09.10	-23 24 53.0	–	o	E10
2011-07-29 11:16:49	C	21 56 09.17	-23 24 54.0	–	o	E10
2011-08-01 11:23:37	C	22 00 28.104	-24 24 26.91	–	L	F51
2011-08-01 11:41:39	C	22 00 28.861	-24 24 41.04	–	L	F51
2011-08-01 11:59:40	C	22 00 29.606	-24 24 54.71	–	L	F51
2011-08-01 12:17:40	C	22 00 30.353	-24 25 08.70	–	L	F51