2021 GU16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5083839820 ± 3.21e-07
Semi-major axis (a)2.5587275200 AU ± 3.61e-08
Inclination (i)26.29312708° ± 2.33e-05
Long. of Asc. Node (Ω)8.42518471° ± 1.05e-05
Arg. of Perihelion (ω)73.06121613° ± 4.74e-05
Mean Anomaly (M)107.20817017° ± 2.35e-05
Mean Motion (n)0.2408109417°/day ± 5.09e-09
Perihelion dist (q)1.25791143 AU ± 8.23e-07
Aphelion dist (Q)3.85954361 AU ± 8.24e-07
Orbital Period4.09294643 yr ± 8.66e-08
Physical Parameters
H (abs. magnitude)18.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.158″
Uncertainty0
Orbit TypeAmor
MOID0.467532 AU
Observations Used58
Oppositions20
Arc Total1999-2025
First Observation Used1999-10-13
Last Observation Used2025-03-23
Observations (59)
Date Type RA Dec Mag Band Observatory
2025-02-22 15:34:39 C 13 35 42.821 -05 13 25.02 X F51
2025-02-22 15:35:34 C 13 35 42.804 -05 13 25.38 X F51
2025-02-28 13:15:51 C 13 29 40.940 -05 52 13.21 X F52
2025-02-28 13:47:09 C 13 29 39.410 -05 52 21.55 X F52
2025-02-28 14:02:55 C 13 29 38.631 -05 52 25.27 X F52
2025-03-23 10:48:10 C 12 56 17.664 -07 38 46.22 X F52
2025-03-23 11:04:42 C 12 56 16.476 -07 38 48.52 X F52
2025-03-23 11:21:16 C 12 56 15.319 -07 38 50.69 X F52
2025-03-23 11:37:52 C 12 56 14.153 -07 38 52.77 X F52