2025 YW4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1618080378 ± 1.66e-05
Semi-major axis (a)1.0270314085 AU ± 8.93e-06
Inclination (i)10.27021394° ± 1.03e-03
Long. of Asc. Node (Ω)276.98150007° ± 3.30e-05
Arg. of Perihelion (ω)263.35672152° ± 5.47e-04
Mean Anomaly (M)259.29407641° ± 2.78e-03
Mean Motion (n)0.9469710191°/day ± 1.24e-05
Perihelion dist (q)0.86084947 AU ± 1.86e-05
Aphelion dist (Q)1.19321335 AU ± 1.99e-05
Orbital Period1.04081990 yr ± 1.36e-05
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.142″
Uncertainty1
Orbit TypeApollo
MOID0.000949 AU
Observations Used53
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-22
Last Observation Used2025-12-28
Observations (59)
Date Type RA Dec Mag Band Observatory
2025-12-22 08:30:51 C 10 05 31.232 +62 33 36.65 V 703
2025-12-22 08:34:11 C 10 05 32.993 +62 33 22.90 V 703
2025-12-22 08:37:31 C 10 05 34.872 +62 33 09.68 V 703
2025-12-22 08:40:51 C 10 05 36.899 +62 32 58.13 V 703
2025-12-22 11:23:29 C 10 07 09.844 +62 21 50.04 V I52
2025-12-22 11:25:34 C 10 07 11.046 +62 21 40.46 V I52
2025-12-22 11:27:39 C 10 07 12.252 +62 21 31.10 V I52
2025-12-22 11:29:44 C 10 07 13.429 +62 21 21.06 V I52
2025-12-22 11:47:13 C 10 07 23.812 +62 20 02.51 V V00
2025-12-22 11:54:26 C 10 07 27.901 +62 19 28.38 V V00
2025-12-22 12:01:38 C 10 07 31.955 +62 18 54.07 V V00
2025-12-22 12:08:50 C 10 07 36.019 +62 18 19.40 V V00
2025-12-23 06:17:04 C 10 23 00.283 +60 35 19.64 V 703
2025-12-23 06:19:06 C 10 23 01.950 +60 35 09.06 V 703
2025-12-23 06:20:38 C 10 23 03.232 +60 35 01.21 V 703
2025-12-23 06:22:10 C 10 23 04.528 +60 34 52.97 V 703
2025-12-23 06:42:52 C 10 22 21.708 +60 36 40.53 W J04
2025-12-23 06:44:13 C 10 22 22.602 +60 36 31.09 W J04
2025-12-23 06:45:33 C 10 22 23.504 +60 36 21.90 W J04
2025-12-23 09:19:11 B 10 25 19.762 +60 18 38.20 W V21
2025-12-23 09:41:20 B 10 25 35.556 +60 16 22.37 W V21
2025-12-23 09:52:27 B 10 25 43.426 +60 15 12.49 W V21
2025-12-23 10:09:04 B 10 25 55.205 +60 13 27.73 W V21
2025-12-24 09:05:54 C 10 48 14.84 +56 53 58.7 V H21
2025-12-24 09:08:41 C 10 48 17.27 +56 53 30.0 V H21
2025-12-24 09:11:28 C 10 48 19.72 +56 53 01.1 V H21
2025-12-24 09:14:14 C 10 48 22.16 +56 52 32.0 V H21
2025-12-24 09:17:01 C 10 48 24.61 +56 52 03.1 V H21
2025-12-24 09:19:48 C 10 48 27.03 +56 51 34.2 V H21
2025-12-24 22:16:13 B 11 03 24.898 +54 01 48.63 W Z80
2025-12-24 22:33:33 B 11 03 45.829 +53 57 56.83 W Z80
2025-12-25 03:19:52 B 11 09 02.215 +52 49 32.38 Z K74
2025-12-25 03:23:36 B 11 09 06.182 +52 48 32.51 Z K74
2025-12-25 03:27:21 B 11 09 10.106 +52 47 32.24 Z K74
2025-12-26 03:50:15 B 11 42 10.042 +43 42 11.38 Z K74
2025-12-26 03:52:46 B 11 42 13.265 +43 40 56.10 Z K74
2025-12-26 03:55:17 B 11 42 16.495 +43 39 41.15 Z K74
2025-12-26 03:55:37 B 11 42 17.342 +43 38 46.72 V L65
2025-12-26 04:02:53 B 11 42 26.782 +43 35 09.53 V L65
2025-12-26 04:10:09 B 11 42 36.180 +43 31 32.05 V L65
2025-12-26 05:23:21 B 11 44 10.056 +42 54 43.24 X K87
2025-12-26 05:39:40 B 11 44 31.315 +42 46 06.06 X K87
2025-12-26 13:44:41 C 11 57 44.388 +38 08 53.84 V T08
2025-12-26 13:48:38 C 11 57 49.728 +38 06 24.12 V T08
2025-12-26 13:59:14 C 11 58 03.785 +37 59 42.43 V T08
2025-12-26 14:15:15 C 11 58 24.878 +37 49 32.27 V T08
2025-12-27 00:53:43 B 12 16 01.302 +29 35 58.21 W Z80
2025-12-27 01:02:50 B 12 16 16.135 +29 28 17.41 W Z80
2025-12-27 01:11:59 B 12 16 30.949 +29 20 34.07 W Z80
2025-12-27 02:12:58 C 12 18 08.006 +28 30 52.81 X M26