2608 Seneca (1978 DA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5646614453 ± 1.23e-07
Semi-major axis (a)2.5303355129 AU ± 2.96e-08
Inclination (i)14.42806679° ± 2.18e-05
Long. of Asc. Node (Ω)166.42205632° ± 2.77e-05
Arg. of Perihelion (ω)38.71009764° ± 8.43e-05
Mean Anomaly (M)10.72157287° ± 1.42e-04
Mean Motion (n)0.2448753727°/day ± 4.30e-09
Perihelion dist (q)1.10155261 AU ± 3.13e-07
Aphelion dist (Q)3.95911842 AU ± 3.16e-07
Orbital Period4.02501188 yr ± 7.07e-08
Physical Parameters
H (abs. magnitude)17.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.567″
Uncertainty0
Orbit TypeAmor
MOID0.154052 AU
Observations Used83
Oppositions33
Arc Total1978-2022
First Observation Used1978-02-17
Last Observation Used2022-09-18
Observations (85)
Date Type RA Dec Mag Band Observatory
1978-02-17 06:11:26 A 10 37 10.25 -20 11 13.6 809
1978-02-18 06:44:23 A 10 40 27.43 -20 02 23.8 14.5 809
1978-02-19 07:37:18 A 10 44 00.83 -19 51 22.5 809
1978-02-20 08:17:45 A 10 47 47.57 -19 38 11.6 809
1978-03-01 02:18:45 A 11 34 15.33 -15 30 45.1 809
1978-03-02 03:25:07 A 11 42 07.12 -14 37 15.5 809
1978-03-02 15:45:00 A 11 46 12.81 -14 08 14.9 323
1978-03-04 10:16:34 A 12 01 43.34 -12 13 05.3 485
1978-03-04 10:36:53 A 12 01 51.07 -12 12 06.4 485
1978-03-04 14:03:33 A 12 03 09.35 -12 01 42.1 485
1978-03-04 14:34:33 A 12 03 21.07 -12 00 06.7 485
1978-03-04 16:47:00 A 12 04 15.28 -11 53 24.5 323
1978-03-08 04:32:17 A 12 42 19.58 -06 37 09.7 809
1978-03-08 06:35:00 A 12 43 23.19 -06 29 24.2 688
1978-03-08 07:05:00 A 12 43 38.18 -06 27 08.2 688
1978-03-08 08:43:01 A 12 44 24.43 -06 19 46.1 A 801
1978-03-08 16:20:50 A 12 48 29.62 -05 42 41.5 323
1978-03-09 06:15:08 A 12 55 58.12 -04 35 33.0 805
1978-03-09 08:04:38 A 12 56 56.34 -04 26 27.8 805
1978-03-09 08:11:38 A 12 57 00.04 -04 25 53.3 805
1978-03-10 00:38:31 A 13 06 20.71 -03 03 23.8 14.0 026
1978-03-10 00:41:31 A 13 06 22.29 -03 03 08.7 026
1978-03-10 00:44:31 A 13 06 23.96 -03 02 53.9 026
1978-03-10 00:47:31 A 13 06 25.64 -03 02 37.7 026
1978-03-10 06:33:46 A 13 09 46.26 -02 30 03.7 805
1978-03-10 06:40:46 A 13 09 49.59 -02 29 32.3 805
1978-03-10 08:36:14 A 13 10 55.28 -02 19 11.9 809
1978-03-10 09:33:21 A 13 11 35.88 -02 13 44.1 485
1978-03-10 14:47:40 A 13 14 40.32 -01 47 05.3 13.5 885
1978-03-10 14:49:50 A 13 14 41.53 -01 46 52.5 885
1978-03-10 14:51:59 A 13 14 42.78 -01 46 40.9 885
1978-03-11 10:10:03 A 13 26 30.17 +00 03 55.0 485
1978-03-11 10:25:33 A 13 26 39.44 +00 05 21.2 485
1978-03-11 16:33:08 A 13 30 23.58 +00 40 59.3 485
1978-03-11 16:43:01 A 13 30 29.67 +00 42 01.7 485
1978-03-12 01:53:30 A 13 36 21.61 +01 34 00.8 15.0 026
1978-03-12 01:56:29 A 13 36 23.72 +01 34 17.3 026
1978-03-12 01:59:30 A 13 36 25.50 +01 34 38.4 026
1978-03-12 02:02:30 A 13 36 27.47 +01 34 57.0 026
1978-03-12 16:25:00 A 13 45 48.46 +03 01 50.7 13.0 885
1978-03-12 16:27:09 A 13 45 49.86 +03 02 04.5 885
1978-03-13 06:04:49 A 13 54 53.36 +04 27 36.8 809
1978-04-09 08:48:54 A 18 46 21.69 +32 22 13.6 A 801
1978-05-01 07:24:19 A 19 35 59.74 +32 39 01.5 A 801
1978-06-29 05:18:52 A 19 12 21.88 +20 34 18.2 19.5 A 801
1978-07-31 03:18:32 A 18 50 20.95 +05 29 18.9 20.0 A 801
1982-02-02 12:40:02 A 15 32 30.88 -18 29 59.1 19.5 675
1982-02-03 12:56:02 A 15 38 34.02 -18 22 11.1 675
1994-05-12 18:48:04 C 22 37 18.54 +00 58 55.1 413
1994-05-12 18:56:53 C 22 37 19.02 +00 58 57.7 413