2025 YD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2453936523 ± 7.49e-05
Semi-major axis (a)0.9952399607 AU ± 1.63e-04
Inclination (i)36.31398822° ± 1.30e-02
Long. of Asc. Node (Ω)273.81620548° ± 1.94e-04
Arg. of Perihelion (ω)282.71376324° ± 3.16e-02
Mean Anomaly (M)251.64041666° ± 4.94e-02
Mean Motion (n)0.9927058200°/day ± 2.43e-04
Perihelion dist (q)0.75101439 AU ± 1.44e-04
Aphelion dist (Q)1.23946553 AU ± 2.16e-04
Orbital Period0.99286844 yr ± 2.43e-04
Physical Parameters
H (abs. magnitude)24.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.278″
Uncertainty2
Orbit TypeAten
MOID0.004263 AU
Observations Used38
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-22
Last Observation Used2025-12-28
Observations (38)
Date Type RA Dec Mag Band Observatory
2025-12-22 09:38:22 C 11 21 56.491 +55 56 29.00 V 703
2025-12-22 09:41:48 C 11 21 54.706 +55 55 57.43 V 703
2025-12-22 09:45:14 C 11 21 53.255 +55 55 25.21 V 703
2025-12-22 09:48:40 C 11 21 51.620 +55 54 52.78 V 703
2025-12-22 11:34:25 C 11 21 00.842 +55 37 52.46 V I52
2025-12-22 11:36:55 C 11 20 59.593 +55 37 27.44 V I52
2025-12-22 11:39:25 C 11 20 58.355 +55 37 02.21 V I52
2025-12-22 11:41:55 C 11 20 57.059 +55 36 37.04 V I52
2025-12-22 17:07:35 B 11 18 51.187 +54 35 56.83 W 900
2025-12-22 17:21:26 B 11 18 44.062 +54 33 19.91 W 900
2025-12-22 17:35:17 B 11 18 36.862 +54 30 40.57 W 900
2025-12-23 06:38:10 C 11 12 17.672 +51 18 48.31 V 703
2025-12-23 06:38:40 C 11 12 17.334 +51 18 39.35 V 703
2025-12-23 06:39:11 C 11 12 17.068 +51 18 31.57 V 703
2025-12-23 06:39:42 C 11 12 16.837 +51 18 22.50 V 703
2025-12-23 06:47:25 C 11 11 40.431 +51 19 34.87 W J04
2025-12-23 06:48:43 C 11 11 39.510 +51 19 11.60 W J04
2025-12-23 06:50:01 C 11 11 38.618 +51 18 48.30 W J04
2025-12-23 11:03:05 B 11 09 23.347 +49 58 12.40 W V21
2025-12-23 11:14:25 B 11 09 15.000 +49 54 23.51 W V21
2025-12-23 11:25:46 B 11 09 06.578 +49 50 32.50 W V21
2025-12-23 11:37:05 B 11 08 58.133 +49 46 39.79 W V21
2025-12-23 11:48:24 B 11 08 49.646 +49 42 45.14 W V21
2025-12-23 12:11:05 B 11 08 32.527 +49 34 49.44 W V21
2025-12-23 23:37:54 B 11 00 51.20 +44 28 11.4 X 958
2025-12-23 23:46:23 B 11 00 44.18 +44 23 39.2 X 958
2025-12-23 23:54:50 B 11 00 37.14 +44 19 06.6 X 958
2025-12-24 20:35:04 B 10 39 03.25 +25 02 32.9 X L99
2025-12-24 20:36:47 B 10 39 00.93 +25 00 00.8 X L99
2025-12-24 20:38:28 B 10 38 58.64 +24 57 28.8 X L99
2025-12-25 02:56:05 B 10 29 12.562 +13 47 43.62 Z K74
2025-12-25 02:58:15 B 10 29 08.688 +13 43 12.25 Z K74
2025-12-25 03:00:26 B 10 29 04.812 +13 38 40.52 Z K74
2025-12-28 10:08:58 C 03 17 37.044 -79 12 07.78 W 474
2025-12-28 10:12:35 C 03 17 18.938 -79 11 53.92 W 474
2025-12-28 10:16:11 C 03 17 01.212 -79 11 40.52 W 474
2025-12-28 10:19:48 C 03 16 43.198 -79 11 28.07 W 474
2025-12-28 10:23:25 C 03 16 25.438 -79 11 13.60 W 474