387717 (2003 DN4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4769778273 ± 2.52e-07
Semi-major axis (a)1.1450847922 AU ± 1.76e-09
Inclination (i)36.31926907° ± 1.73e-05
Long. of Asc. Node (Ω)157.77917443° ± 4.69e-06
Arg. of Perihelion (ω)141.60952412° ± 1.09e-05
Mean Anomaly (M)104.30021758° ± 2.78e-05
Mean Motion (n)0.8043698911°/day ± 1.86e-09
Perihelion dist (q)0.59890474 AU ± 2.89e-07
Aphelion dist (Q)1.69126485 AU ± 2.89e-07
Orbital Period1.22533960 yr ± 2.83e-09
Physical Parameters
H (abs. magnitude)19.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.421″
Uncertainty0
Orbit TypeApollo
MOID0.287838 AU
Observations Used224
Oppositions4
Arc Total2003-2025
First Observation Used2003-02-06
Last Observation Used2025-03-22
Observations (239)
Date Type RA Dec Mag Band Observatory
2019-03-12 14:17:16 C 15 39 02.94 +43 08 05.4 V T08
2019-03-12 14:31:20 C 15 39 07.69 +43 09 18.3 V T08
2019-03-12 14:44:32 C 15 39 12.12 +43 10 26.0 V T08
2019-03-17 10:12:42 C 16 25 57.48 +52 30 43.8 V 703
2019-03-17 10:28:06 C 16 26 04.56 +52 31 52.4 V 703
2019-03-17 10:35:49 C 16 26 08.11 +52 32 27.4 V 703
2021-02-12 05:59:07 C 04 53 40.986 -21 26 33.44 U F51
2021-02-12 06:15:57 C 04 53 41.365 -21 26 08.34 U F51
2021-02-12 06:32:45 C 04 53 41.782 -21 25 43.80 U F51
2025-01-22 06:17:49 C 10 23 58.030 -18 14 36.90 V 807
2025-01-22 06:21:29 C 10 23 57.840 -18 14 34.90 V 807
2025-01-22 06:25:41 C 10 23 57.620 -18 14 32.80 V 807
2025-02-07 03:04:42 C 09 57 04.987 -12 26 22.85 V W68
2025-02-07 03:24:56 C 09 57 03.130 -12 25 54.91 V W68
2025-02-07 05:07:21 C 09 56 53.282 -12 23 36.20 V W68
2025-02-07 05:23:16 C 09 56 51.727 -12 23 13.70 V W68
2025-02-11 09:17:56 C 09 47 10.603 -09 54 42.22 X F52
2025-02-11 09:34:25 C 09 47 08.886 -09 54 16.00 X F52
2025-02-11 09:50:54 C 09 47 07.112 -09 53 49.14 X F52
2025-02-11 10:07:24 C 09 47 05.394 -09 53 22.44 X F52
2025-02-24 07:33:21 C 09 12 51.689 +00 16 35.11 V 703
2025-02-24 07:36:37 C 09 12 51.304 +00 16 43.57 V 703
2025-02-24 07:43:09 C 09 12 50.357 +00 16 56.93 V 703
2025-02-26 06:44:58 C 09 07 27.390 +02 04 18.84 V 703
2025-02-26 06:48:13 C 09 07 27.016 +02 04 26.33 V 703
2025-02-26 06:51:27 C 09 07 26.638 +02 04 33.64 V 703
2025-02-26 06:54:41 C 09 07 26.137 +02 04 42.35 V 703
2025-02-28 09:48:32 C 09 01 39.864 +04 03 04.57 V T08
2025-02-28 09:56:27 C 09 01 38.938 +04 03 24.77 V T08
2025-02-28 10:11:19 C 09 01 37.198 +04 03 58.72 V T08
2025-02-28 10:31:20 C 09 01 34.915 +04 04 45.48 V T08
2025-03-01 05:42:55 C 08 59 26.250 +04 49 42.31 V 703
2025-03-01 05:46:16 C 08 59 25.825 +04 49 49.01 V 703
2025-03-01 05:49:35 C 08 59 25.505 +04 49 57.90 V 703
2025-03-01 05:52:55 C 08 59 25.163 +04 50 05.68 V 703
2025-03-22 03:40:14 C 08 14 36.362 +22 54 07.24 V G96
2025-03-22 03:48:28 C 08 14 35.808 +22 54 21.53 V G96
2025-03-22 03:56:42 C 08 14 35.268 +22 54 35.89 V G96
2025-03-22 04:04:56 C 08 14 34.746 +22 54 51.16 V G96