2025 YY1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4521519260 ± 1.13e-03
Semi-major axis (a)1.4394824517 AU ± 2.50e-03
Inclination (i)13.43436634° ± 2.72e-02
Long. of Asc. Node (Ω)84.67349356° ± 3.13e-03
Arg. of Perihelion (ω)288.59189530° ± 1.47e-02
Mean Anomaly (M)12.98880847° ± 5.74e-02
Mean Motion (n)0.5706932211°/day ± 1.49e-03
Perihelion dist (q)0.78861769 AU ± 2.13e-03
Aphelion dist (Q)2.09034721 AU ± 3.98e-03
Orbital Period1.72706850 yr ± 4.50e-03
Physical Parameters
H (abs. magnitude)24.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.318″
Uncertainty2
Orbit TypeApollo
MOID0.008389 AU
Observations Used22
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-18
Last Observation Used2025-12-23
Observations (22)
Date Type RA Dec Mag Band Observatory
2025-12-18 03:39:50 C 01 48 24.342 +11 08 45.29 U I41
2025-12-18 03:40:21 C 01 48 24.977 +11 09 00.91 U I41
2025-12-18 04:08:57 C 01 49 03.771 +11 23 08.32 U I41
2025-12-18 04:09:27 C 01 49 04.395 +11 23 24.10 U I41
2025-12-18 11:09:53 B 01 58 54.245 +14 41 36.46 V P13
2025-12-18 11:32:07 B 01 59 22.994 +14 51 38.48 V P13
2025-12-18 11:40:14 B 01 59 28.051 +14 55 41.63 X 900
2025-12-18 11:59:27 B 01 59 52.627 +15 04 18.08 X 900
2025-12-20 03:56:01 C 02 46 03.119 +28 45 10.44 V 703
2025-12-20 03:59:19 C 02 46 06.172 +28 46 00.70 V 703
2025-12-20 04:02:38 C 02 46 09.145 +28 46 50.05 V 703
2025-12-20 04:05:56 C 02 46 12.241 +28 47 40.42 V 703
2025-12-21 01:05:21 B 03 05 10.075 +33 18 42.19 Z H36
2025-12-21 01:37:39 B 03 05 35.141 +33 24 43.02 Z H36
2025-12-21 02:38:04 C 03 06 24.995 +33 36 01.37 V I52
2025-12-21 02:38:18 C 03 06 25.196 +33 36 03.78 V I52
2025-12-21 02:38:33 C 03 06 25.387 +33 36 06.66 V I52
2025-12-21 02:38:48 C 03 06 25.546 +33 36 09.36 V I52
2025-12-23 01:27:16 C 03 38 22.031 +39 49 02.71 V I52
2025-12-23 01:27:38 C 03 38 22.204 +39 49 05.59 V I52
2025-12-23 01:36:11 C 03 38 26.797 +39 49 57.04 V I52
2025-12-23 01:36:32 C 03 38 27.006 +39 49 59.05 V I52