2015 DD198

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4093491366 ± 1.83e-08
Semi-major axis (a)1.7268815958 AU ± 1.91e-08
Inclination (i)10.36753735° ± 4.76e-06
Long. of Asc. Node (Ω)348.38523996° ± 9.44e-06
Arg. of Perihelion (ω)224.02788475° ± 1.34e-05
Mean Anomaly (M)235.79478761° ± 2.98e-05
Mean Motion (n)0.4343286065°/day ± 7.20e-09
Perihelion dist (q)1.01998411 AU ± 3.36e-08
Aphelion dist (Q)2.43377909 AU ± 4.15e-08
Orbital Period2.26931008 yr ± 3.76e-08
Physical Parameters
H (abs. magnitude)21.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.304″
Uncertainty0
Orbit TypeAmor
MOID0.077616 AU
Observations Used163
Oppositions5
Arc Total2015-2024
First Observation Used2015-02-22
Last Observation Used2024-01-30
Observations (170)
Date Type RA Dec Mag Band Observatory
2015-06-07 23:09:03 C 10 24 28.79 -76 44 30.3 u 807
2015-06-11 00:47:45 C 11 17 53.12 -78 31 13.1 u 807
2015-06-11 00:55:40 C 11 17 59.29 -78 31 21.4 u 807
2015-06-11 01:03:49 C 11 18 05.50 -78 31 29.8 u 807
2015-06-17 01:16:52 C 13 32 47.53 -79 21 26.3 u 807
2015-06-17 01:21:09 C 13 32 51.41 -79 21 23.4 u 807
2015-06-17 01:25:25 C 13 32 55.21 -79 21 21.5 u 807
2015-06-17 01:29:40 C 13 32 58.90 -79 21 19.6 u 807
2015-06-17 01:33:55 C 13 33 02.72 -79 21 17.3 u 807
2015-07-03 03:54:31 C 16 51 49.85 -69 05 23.5 u 807
2015-07-03 04:00:58 C 16 51 51.25 -69 05 09.8 u 807
2015-07-03 04:07:21 C 16 51 52.56 -69 04 57.2 u 807
2016-12-22 08:59:21 C 03 32 04.996 +37 58 09.82 U T12
2016-12-22 09:16:01 C 03 32 03.970 +37 58 03.85 U T12
2016-12-22 09:34:09 C 03 32 02.861 +37 57 56.99 U T12
2016-12-23 09:06:35 C 03 30 41.376 +37 49 28.88 U T12
2016-12-23 09:23:12 C 03 30 40.380 +37 49 22.72 U T12
2024-01-30 06:43:11 C 05 59 44.16 +43 22 12.3 V 291
2024-01-30 07:05:51 C 05 59 42.41 +43 22 01.0 V 291
2024-01-30 07:28:35 C 05 59 40.67 +43 21 49.1 V 291