2025 DY4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4381285044 ± 1.50e-06
Semi-major axis (a)1.5721425551 AU ± 3.45e-06
Inclination (i)12.60885630° ± 3.13e-05
Long. of Asc. Node (Ω)47.14243862° ± 1.38e-04
Arg. of Perihelion (ω)250.14971696° ± 1.03e-04
Mean Anomaly (M)34.81118934° ± 1.14e-04
Mean Motion (n)0.5000050504°/day ± 1.65e-06
Perihelion dist (q)0.88334209 AU ± 3.06e-06
Aphelion dist (Q)2.26094302 AU ± 5.50e-06
Orbital Period1.97123266 yr ± 6.49e-06
Physical Parameters
H (abs. magnitude)19.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.229″
Uncertainty0
Orbit TypeApollo
MOID0.049395 AU
Observations Used71
Oppositions1
Arc Total2025-2025
First Observation Used2025-02-20
Last Observation Used2025-12-08
Observations (74)
Date Type RA Dec Mag Band Observatory
2025-03-31 06:42:45 C 10 11 01.855 +33 02 59.07 X F51
2025-03-31 07:00:36 C 10 11 00.767 +33 02 54.90 X F51
2025-04-11 07:17:55 C 09 58 57.27 +31 37 01.6 V 695
2025-04-11 07:43:45 C 09 58 56.41 +31 36 50.6 V 695
2025-04-11 08:09:36 C 09 58 55.51 +31 36 39.5 V 695
2025-04-29 04:19:32 C 09 53 35.113 +28 01 10.92 V V06
2025-04-29 04:28:41 C 09 53 35.142 +28 01 05.74 V V06
2025-04-29 04:37:50 C 09 53 35.178 +28 01 00.23 V V06
2025-04-29 04:46:59 C 09 53 35.228 +28 00 54.90 V V06
2025-05-10 05:09:36 C 09 57 55.09 +25 17 47.9 V 695
2025-05-10 05:41:11 C 09 57 55.85 +25 17 26.9 V 695
2025-05-10 06:12:46 C 09 57 56.62 +25 17 06.3 V 695
2025-05-17 06:00:50 C 10 03 07.570 +23 24 45.30 V 291
2025-05-17 06:19:34 C 10 03 08.230 +23 24 32.60 V 291
2025-05-17 06:38:18 C 10 03 08.950 +23 24 19.60 V 291
2025-11-12 02:19:12 C 21 02 37.38 -29 08 51.3 V 291
2025-11-12 02:26:07 C 21 02 38.97 -29 08 40.9 V 291
2025-11-12 02:33:04 C 21 02 40.52 -29 08 28.9 V 291
2025-11-16 05:17:10 C 21 24 59.440 -26 26 44.01 V T12
2025-11-16 05:22:07 C 21 25 00.499 -26 26 35.71 V T12
2025-11-16 05:26:51 C 21 25 01.507 -26 26 27.82 V T12
2025-12-08 02:02:47 C 22 57 26.24 -12 16 12.0 V 695
2025-12-08 02:11:55 C 22 57 27.54 -12 15 58.4 V 695
2025-12-08 02:21:04 C 22 57 28.84 -12 15 44.9 V 695