2017 YY4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1861321895
Semi-major axis (a)1.2524325915 AU
Inclination (i)24.21502154°
Long. of Asc. Node (Ω)277.46128469°
Arg. of Perihelion (ω)146.13065413°
Mean Anomaly (M)252.65485607°
Mean Motion (n)0.7031345300°/day
Perihelion dist (q)1.01931070 AU
Aphelion dist (Q)1.48568570 AU
Orbital Period1.40173420 yr
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.376″
Uncertainty
Orbit TypeAmor
MOID0.061763 AU
Observations Used17
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-12-26
Observations (17)
Date Type RA Dec Mag Band Observatory
2017-12-24 13:42:01 C 08 58 23.471 +34 51 20.79 U F51
2017-12-24 13:57:55 C 08 58 14.340 +34 47 59.40 U F51
2017-12-24 14:13:48 C 08 58 05.192 +34 44 36.90 U F51
2017-12-25 09:40:55 C 08 48 05.905 +30 32 10.00 U 568
2017-12-25 09:42:58 C 08 48 04.819 +30 31 43.42 U 568
2017-12-25 09:44:52 C 08 48 03.804 +30 31 18.60 U 568
2017-12-25 10:39:43 C 08 47 27.95 +30 19 02.6 U I52
2017-12-25 10:40:30 C 08 47 27.52 +30 18 52.5 U I52
2017-12-25 10:41:18 C 08 47 27.10 +30 18 41.4 U I52
2017-12-25 10:42:05 C 08 47 26.67 +30 18 31.8 U I52
2017-12-25 11:53:07 C 08 46 48.49 +30 02 43.5 o 926
2017-12-25 11:56:51 C 08 46 46.54 +30 01 54.1 o 926
2017-12-25 12:00:35 C 08 46 44.55 +30 01 04.4 o 926
2017-12-26 08:16:26 C 08 36 57.05 +25 27 37.8 U I52
2017-12-26 08:17:13 C 08 36 56.66 +25 27 26.7 U I52
2017-12-26 08:18:00 C 08 36 56.16 +25 27 15.7 U I52
2017-12-26 08:18:48 C 08 36 55.82 +25 27 04.7 U I52