2017 AR4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0906510094 ± 5.09e-06
Semi-major axis (a)1.0243401056 AU ± 2.27e-06
Inclination (i)7.70345843° ± 4.29e-04
Long. of Asc. Node (Ω)104.98210799° ± 2.66e-05
Arg. of Perihelion (ω)242.15174118° ± 1.58e-04
Mean Anomaly (M)310.65500365° ± 1.10e-02
Mean Motion (n)0.9507055099°/day ± 3.16e-06
Perihelion dist (q)0.93148264 AU ± 5.61e-06
Aphelion dist (Q)1.11719757 AU ± 5.77e-06
Orbital Period1.03673143 yr ± 3.44e-06
Physical Parameters
H (abs. magnitude)24.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.347″
Uncertainty2
Orbit TypeApollo
MOID0.037342 AU
Observations Used65
Oppositions1
Arc Total2016-2017
First Observation Used2016-12-27
Last Observation Used2017-02-23
Observations (67)
Date Type RA Dec Mag Band Observatory
2017-01-27 07:39:10 C 06 28 22.14 +45 25 25.1 o 291
2017-01-27 07:45:17 C 06 28 21.66 +45 25 32.4 o 291
2017-01-27 07:51:24 C 06 28 21.30 +45 25 38.0 o 291
2017-01-29 09:07:57 C 06 25 59.65 +46 18 28.9 o 291
2017-01-29 09:15:28 C 06 25 59.20 +46 18 34.3 o 291
2017-01-29 09:22:58 C 06 25 58.86 +46 18 40.2 o 291
2017-01-30 08:17:25 C 06 25 07.03 +46 40 42.8 o 291
2017-01-30 08:25:42 C 06 25 06.58 +46 40 49.5 o 291
2017-01-30 08:34:01 C 06 25 06.15 +46 40 55.6 o 291
2017-01-31 10:31:43 C 06 24 16.583 +47 04 04.71 U T12
2017-02-02 02:17:44 C 06 23 23.58 +47 35 13.8 u H21
2017-02-02 02:39:05 C 06 23 22.72 +47 35 30.4 u H21
2017-02-02 03:06:35 C 06 23 21.65 +47 35 51.0 u H21
2017-02-02 03:12:26 C 06 23 21.43 +47 35 55.2 u H21
2017-02-23 07:21:42 C 06 38 17.191 +50 06 17.00 U T12
2017-02-23 07:38:26 C 06 38 18.044 +50 06 16.64 U T12
2017-02-23 07:55:03 C 06 38 18.883 +50 06 15.78 U T12