427684 (2004 DH2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4003130574 ± 2.00e+00
Semi-major axis (a)0.9443108695 AU ± 3.00e+00
Inclination (i)23.02003894° ± 4.00e+00
Long. of Asc. Node (Ω)157.28638974° ± 5.00e+00
Arg. of Perihelion (ω)216.14494389° ± 6.00e+00
Mean Anomaly (M)1.55689605° ± 7.79e-05
Mean Motion (n)1.0740878235°/day ± 5.12e+00
Perihelion dist (q)0.56629090 AU ± 2.61e+00
Aphelion dist (Q)1.32233084 AU ± 4.61e+00
Orbital Period0.91764031 yr ± 4.37e+00
NGA Modelr2
A21.48373255e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-29
RMS Residual0.350″
Uncertainty0
Orbit TypeAten
MOID0.125306 AU
Observations Used197
Oppositions2
Arc Total2004-2025
First Observation Used2004-02-17
Last Observation Used2025-03-30
Observations (204)
Date Type RA Dec Mag Band Observatory
2004-02-17 12:22:12 C 12 10 39.04 -09 59 55.5 t 608
2004-02-17 12:37:45 C 12 10 36.30 -09 58 36.3 t 608
2004-02-17 12:53:10 C 12 10 33.55 -09 57 17.5 t 608
2004-02-19 08:28:57 C 12 03 17.06 -06 12 34.0 18.3 c 704
2004-02-19 08:45:56 C 12 03 13.99 -06 11 05.0 18.7 c 704
2004-02-19 09:02:55 C 12 03 10.95 -06 09 37.4 18.5 c 704
2004-02-19 09:20:14 C 12 03 07.83 -06 08 07.3 18.4 c 704
2004-02-19 09:37:41 C 12 03 04.72 -06 06 36.2 18.4 c 704
2004-02-20 00:11:23 C 12 00 37.29 -04 50 46.2 r 118
2004-02-20 00:12:42 C 12 00 37.10 -04 50 40.4 r 118
2004-02-20 00:13:59 C 12 00 36.84 -04 50 32.6 r 118
2004-02-20 00:16:37 C 12 00 36.37 -04 50 18.9 r 118
2004-02-20 00:19:15 C 12 00 35.90 -04 50 05.1 r 118
2004-02-20 00:51:05 C 12 00 30.84 -04 47 20.0 r J95
2004-02-20 00:54:00 C 12 00 30.33 -04 47 05.3 r J95
2004-02-20 00:57:05 C 12 00 29.74 -04 46 48.4 r J95
2004-02-20 09:10:49 C 11 59 05.13 -04 03 37.0 o H06
2004-02-20 09:13:34 C 11 59 04.63 -04 03 22.5 o H06
2004-02-20 09:16:06 C 11 59 04.18 -04 03 09.5 o H06
2004-02-21 04:06:44 C 11 55 50.28 -02 24 41.4 r J95
2004-02-21 04:10:53 C 11 55 49.48 -02 24 19.2 r J95
2004-02-21 04:15:08 C 11 55 48.76 -02 23 56.9 r J95
2004-02-21 05:51:57 C 11 55 34.60 -02 15 23.2 r 649
2004-02-21 05:54:30 C 11 55 34.12 -02 15 09.8 r 649
2004-02-21 05:57:04 C 11 55 33.68 -02 14 56.3 r 649
2004-02-22 02:26:04 C 11 52 01.18 -00 27 51.3 o 493
2004-02-22 02:26:50 C 11 52 01.02 -00 27 47.3 o 493
2004-02-22 02:27:34 C 11 52 00.90 -00 27 43.6 o 493
2004-02-22 02:28:28 C 11 52 00.72 -00 27 38.8 o 493
2004-02-24 22:51:56 C 11 40 15.52 +05 23 44.3 c 587
2004-02-24 22:53:32 C 11 40 15.25 +05 23 51.8 c 587
2004-02-24 22:55:07 C 11 40 15.01 +05 24 00.1 c 587
2004-02-24 22:56:43 C 11 40 14.69 +05 24 08.3 c 587
2004-02-25 00:51:20 C 11 39 54.01 +05 33 44.2 r 204
2004-02-25 00:56:03 C 11 39 53.16 +05 34 07.7 r 204
2004-02-25 01:01:54 C 11 39 52.11 +05 34 37.2 r 204
2004-02-25 07:28:32 C 11 38 46.49 +06 07 00.6 18.5 c 704
2004-02-25 07:46:01 C 11 38 43.29 +06 08 28.0 18.2 c 704
2004-02-25 08:03:27 C 11 38 40.13 +06 09 54.6 18.2 c 704
2004-02-25 08:20:47 C 11 38 36.95 +06 11 21.2 18.2 c 704
2004-02-26 03:59:38 C 11 35 16.80 +07 48 19.3 r 649
2004-02-26 04:01:25 C 11 35 16.48 +07 48 28.4 r 649
2004-02-26 04:03:14 C 11 35 16.16 +07 48 37.1 r 649
2004-02-26 04:05:03 C 11 35 15.85 +07 48 46.3 r 649
2004-02-26 05:18:15 C 11 35 02.62 +07 54 41.3 r 750
2004-02-26 05:24:26 C 11 35 01.46 +07 55 11.3 r 750
2004-02-26 05:38:37 C 11 34 58.77 +07 56 21.9 r 750
2004-02-26 06:11:43 C 11 34 52.97 +07 59 02.4 r 750
2004-02-26 08:18:16 C 11 34 30.82 +08 09 27.7 r 448
2004-02-26 08:24:43 C 11 34 29.64 +08 09 58.9 r 448