2025 YH4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4597203376 ± 5.55e-04
Semi-major axis (a)1.9436789401 AU ± 2.13e-03
Inclination (i)5.54503622° ± 5.46e-03
Long. of Asc. Node (Ω)258.69102917° ± 6.51e-04
Arg. of Perihelion (ω)213.10910083° ± 1.80e-03
Mean Anomaly (M)341.28927376° ± 3.09e-02
Mean Motion (n)0.3637269514°/day ± 5.99e-04
Perihelion dist (q)1.05013020 AU ± 1.58e-03
Aphelion dist (Q)2.83722768 AU ± 3.30e-03
Orbital Period2.70979722 yr ± 4.46e-03
Physical Parameters
H (abs. magnitude)25.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.374″
Uncertainty2
Orbit TypeAmor
MOID0.081124 AU
Observations Used35
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-20
Last Observation Used2025-12-31
Observations (35)
Date Type RA Dec Mag Band Observatory
2025-12-20 21:54:22 C 05 29 35.62 +12 44 47.9 V K88
2025-12-20 21:57:31 C 05 29 36.23 +12 44 37.5 V K88
2025-12-20 22:00:41 C 05 29 36.77 +12 44 27.1 V K88
2025-12-20 22:22:43 C 05 29 41.00 +12 43 15.7 V K88
2025-12-20 22:26:35 C 05 29 41.76 +12 43 03.2 V K88
2025-12-20 22:30:26 C 05 29 42.51 +12 42 50.4 V K88
2025-12-20 23:08:53 C 05 29 49.83 +12 40 46.2 V K88
2025-12-20 23:10:49 C 05 29 50.19 +12 40 40.1 V K88
2025-12-20 23:57:22 C 05 29 59.17 +12 38 08.3 V K88
2025-12-21 00:00:35 C 05 29 59.75 +12 37 57.6 V K88
2025-12-21 05:30:14 C 05 31 10.71 +12 20 18.7 V H21
2025-12-21 05:34:15 C 05 31 11.47 +12 20 05.5 V H21
2025-12-21 05:38:17 C 05 31 12.24 +12 19 52.3 V H21
2025-12-21 05:42:20 C 05 31 13.03 +12 19 39.2 V H21
2025-12-21 11:56:08 C 05 32 32.918 +12 01 10.02 W 474
2025-12-21 12:04:14 C 05 32 34.486 +12 00 43.45 W 474
2025-12-21 12:12:21 C 05 32 36.022 +12 00 15.59 W 474
2025-12-21 12:20:28 C 05 32 37.646 +11 59 50.21 W 474
2025-12-21 20:12:59 C 05 34 21.32 +11 31 23.9 V K88
2025-12-21 20:20:39 C 05 34 22.85 +11 30 58.7 V K88
2025-12-21 20:28:20 C 05 34 24.39 +11 30 33.1 V K88
2025-12-21 21:47:28 C 05 34 40.54 +11 26 12.4 S L01
2025-12-21 21:53:06 C 05 34 41.67 +11 25 53.1 S L01
2025-12-21 21:58:03 C 05 34 42.70 +11 25 37.5 S L01
2025-12-23 08:39:20 C 05 42 21.949 +09 25 59.77 V G96
2025-12-23 09:04:09 C 05 42 27.076 +09 24 31.32 V G96
2025-12-24 01:32:04 C 05 46 21.660 +08 26 58.80 V 807
2025-12-24 01:47:07 C 05 46 24.910 +08 26 04.70 V 807
2025-12-24 02:02:10 C 05 46 28.070 +08 25 10.30 V 807
2025-12-25 09:41:54 C 05 53 58.939 +06 26 14.14 X F51
2025-12-25 09:59:20 C 05 54 02.699 +06 25 08.24 X F51
2025-12-25 10:34:39 C 05 54 10.351 +06 22 54.18 X F51
2025-12-31 03:33:26 C 06 30 16.910 -02 44 23.20 V 807
2025-12-31 03:52:14 C 06 30 21.640 -02 45 39.80 V 807
2025-12-31 04:11:02 C 06 30 26.460 -02 46 57.40 V 807