2025 DD4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8754094969 ± 1.60e-04
Semi-major axis (a)2.0451956021 AU ± 1.43e-03
Inclination (i)6.76757352° ± 4.52e-03
Long. of Asc. Node (Ω)324.74581129° ± 1.41e-03
Arg. of Perihelion (ω)324.13357451° ± 5.52e-03
Mean Anomaly (M)69.11254314° ± 7.00e-02
Mean Motion (n)0.3369845585°/day ± 3.54e-04
Perihelion dist (q)0.25481195 AU ± 3.72e-04
Aphelion dist (Q)3.83557926 AU ± 2.71e-03
Orbital Period2.92484109 yr ± 3.08e-03
Physical Parameters
H (abs. magnitude)21.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.317″
Uncertainty2
Orbit TypeApollo
MOID0.035756 AU
Observations Used53
Oppositions1
Arc Total2025-2025
First Observation Used2025-02-18
Last Observation Used2025-03-21
Observations (54)
Date Type RA Dec Mag Band Observatory
2025-02-18 07:56:27 C 09 50 48.130 +11 40 28.00 V G96
2025-02-18 08:11:19 C 09 50 45.120 +11 40 36.60 V G96
2025-02-18 08:18:47 C 09 50 43.630 +11 40 42.70 V G96
2025-02-22 06:50:36 C 09 29 56.314 +12 48 36.79 V V00
2025-02-22 06:58:41 C 09 29 54.301 +12 48 42.84 V V00
2025-02-22 07:06:45 C 09 29 52.285 +12 48 49.10 V V00
2025-02-22 07:14:50 C 09 29 50.262 +12 48 55.19 V V00
2025-02-22 09:34:13 C 09 29 15.447 +12 50 39.45 W H01
2025-02-22 09:40:36 C 09 29 13.864 +12 50 44.29 W H01
2025-02-22 09:57:16 C 09 29 09.714 +12 50 56.80 W H01
2025-02-22 10:03:33 C 09 29 08.140 +12 51 01.52 W H01
2025-02-22 19:36:52 C 09 26 47.515 +12 58 15.35 W J95
2025-02-22 20:15:21 C 09 26 37.759 +12 58 45.37 W J95
2025-02-22 23:30:55 B 09 25 47.72 +13 01 19.0 V I93
2025-02-22 23:35:13 B 09 25 46.59 +13 01 22.8 V I93
2025-02-22 23:39:30 B 09 25 45.51 +13 01 25.7 V I93
2025-02-23 03:24:40 C 09 24 49.295 +13 04 22.55 V I52
2025-02-23 03:26:52 C 09 24 48.726 +13 04 24.42 V I52
2025-02-23 03:29:03 C 09 24 48.168 +13 04 25.86 V I52
2025-02-23 03:31:15 C 09 24 47.603 +13 04 27.41 V I52
2025-02-23 03:33:54 C 09 24 46.47 +13 04 28.3 V H21
2025-02-23 03:42:03 C 09 24 44.36 +13 04 34.4 V H21
2025-02-23 03:48:17 C 09 24 42.76 +13 04 39.3 V H21
2025-02-24 10:00:05 C 09 16 43.650 +13 28 21.10 V I52
2025-02-24 10:41:21 C 09 16 32.270 +13 28 53.20 V I52
2025-02-24 10:42:33 C 09 16 31.930 +13 28 53.10 V I52
2025-02-27 04:32:28 C 08 57 22.187 +14 21 44.75 V I52
2025-02-27 04:34:50 C 08 57 21.420 +14 21 47.77 V I52
2025-02-27 04:37:12 C 08 57 20.660 +14 21 49.21 V I52
2025-02-27 04:39:34 C 08 57 19.897 +14 21 50.83 V I52
2025-02-27 06:15:56 C 08 56 50.440 +14 23 12.13 X F51
2025-02-27 06:35:17 C 08 56 44.324 +14 23 28.08 X F51
2025-02-27 06:54:42 C 08 56 38.128 +14 23 43.96 X F51
2025-03-01 07:59:51 C 08 40 34.554 +15 02 50.64 V I52
2025-03-01 08:01:02 C 08 40 34.190 +15 02 51.30 V I52
2025-03-01 08:02:14 C 08 40 33.755 +15 02 52.84 V I52
2025-03-01 08:03:26 C 08 40 33.355 +15 02 53.52 V I52
2025-03-03 02:29:51 C 08 25 35.177 +15 35 30.62 V I52
2025-03-03 02:31:42 C 08 25 34.525 +15 35 31.49 V I52
2025-03-03 02:34:59 C 08 25 33.240 +15 35 34.80 V I52
2025-03-03 02:50:47 C 08 25 27.484 +15 35 46.21 V I52
2025-03-03 09:34:00 C 08 22 57.738 +15 40 51.09 X F51
2025-03-03 09:51:26 C 08 22 51.190 +15 41 03.91 X F51
2025-03-03 10:08:52 C 08 22 44.672 +15 41 16.40 X F51
2025-03-03 10:26:17 C 08 22 38.180 +15 41 28.89 X F51
2025-03-17 04:32:45 C 06 01 16.640 +17 16 14.60 V I52
2025-03-17 04:50:19 C 06 01 08.954 +17 16 12.18 V I52
2025-03-17 04:59:06 C 06 01 05.066 +17 16 09.88 V I52
2025-03-20 02:36:58 C 05 30 56.833 +16 47 30.48 V V06
2025-03-20 02:40:20 C 05 30 55.379 +16 47 28.72 V V06