2017 SR11

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1345470346 ± 2.00e+00
Semi-major axis (a)1.3721261454 AU ± 3.00e+00
Inclination (i)12.67512268° ± 4.00e+00
Long. of Asc. Node (Ω)184.25912076° ± 5.00e+00
Arg. of Perihelion (ω)183.60048297° ± 6.00e+00
Mean Anomaly (M)25.63786072° ± 1.13e+00
Mean Motion (n)0.6132472500°/day ± 2.01e+00
Perihelion dist (q)1.18748450 AU ± 3.78e+00
Aphelion dist (Q)1.55667270 AU ± 4.37e+00
Orbital Period1.60719470 yr ± 5.27e+00
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.149″
Uncertainty4
Orbit TypeAmor
MOID0.183710 AU
Observations Used12
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-09-25
Observations (12)
Date Type RA Dec Mag Band Observatory
2017-09-19 13:18:26 C 01 38 26.886 +13 41 35.81 L F51
2017-09-19 13:36:46 C 01 38 27.827 +13 40 53.64 L F51
2017-09-19 13:55:06 C 01 38 28.768 +13 40 11.45 L F51
2017-09-20 07:14:04 C 01 39 33.93 +13 00 01.2 u H21
2017-09-20 07:27:12 C 01 39 34.61 +12 59 30.4 u H21
2017-09-20 07:41:12 C 01 39 35.32 +12 58 57.9 u H21
2017-09-23 06:39:28 C 01 43 41.26 +10 07 54.4 u H21
2017-09-23 06:48:14 C 01 43 41.64 +10 07 32.4 u H21
2017-09-23 06:58:26 C 01 43 42.11 +10 07 06.9 u H21
2017-09-25 08:00:31 C 01 46 17.04 +08 03 09.7 o 291
2017-09-25 08:22:03 C 01 46 17.91 +08 02 14.5 o 291
2017-09-25 08:43:35 C 01 46 18.75 +08 01 19.2 o 291