2018 DB4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4111043000
Semi-major axis (a)1.6778645000 AU
Inclination (i)4.26108000°
Long. of Asc. Node (Ω)164.94115000°
Arg. of Perihelion (ω)38.71422000°
Mean Anomaly (M)183.01554000°
Mean Motion (n)0.4534910900°/day
Perihelion dist (q)0.98808720 AU
Aphelion dist (Q)2.36764180 AU
Orbital Period2.17337830 yr
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.300″
Uncertainty6
Orbit TypeApollo
MOID0.025028 AU
Observations Used26
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-03-20
Observations (30)
Date Type RA Dec Mag Band Observatory
2018-02-26 09:39:41 C 12 08 52.34 -05 50 42.7 U G96
2018-02-26 09:47:19 C 12 08 54.90 -05 50 47.2 U G96
2018-02-26 09:54:57 C 12 08 57.58 -05 50 52.4 U G96
2018-02-26 10:02:36 C 12 09 00.26 -05 50 55.0 U G96
2018-02-26 11:42:32 C 12 09 35.15 -05 51 49.3 U I52
2018-02-26 11:44:56 C 12 09 35.96 -05 51 50.3 U I52
2018-02-26 11:47:20 C 12 09 36.86 -05 51 51.3 U I52
2018-02-26 11:49:43 C 12 09 37.70 -05 51 52.5 U I52
2018-02-27 07:42:21 C 12 17 20.85 -06 02 52.2 o 291
2018-02-27 07:52:20 C 12 17 24.60 -06 02 58.0 o 291
2018-02-27 08:02:14 C 12 17 28.31 -06 03 03.7 o 291
2018-03-01 06:44:26 C 12 37 30.17 -06 26 51.7 U 807
2018-03-01 06:50:28 C 12 37 32.80 -06 26 55.0 U 807
2018-03-01 06:56:39 C 12 37 35.51 -06 26 58.2 U 807
2018-03-07 09:02:08 C 14 02 28.98 -07 29 45.6 U I52
2018-03-07 09:04:56 C 14 02 30.85 -07 29 46.5 U I52
2018-03-07 09:06:20 C 14 02 31.78 -07 29 47.2 U I52
2018-03-07 09:07:43 C 14 02 32.70 -07 29 47.8 U I52
2018-03-07 09:09:06 C 14 02 33.59 -07 29 47.7 U I52
2018-03-07 09:10:29 C 14 02 34.53 -07 29 47.7 U I52
2018-03-07 09:11:53 C 14 02 35.47 -07 29 48.7 U I52
2018-03-10 11:38:08 C 14 57 11.48 -07 31 21.2 U I52
2018-03-10 11:44:33 C 14 57 16.19 -07 31 19.6 U I52
2018-03-10 11:45:56 C 14 57 17.19 -07 31 19.5 U I52
2018-03-10 14:54:58 C 14 59 45.15 -07 27 53.4 U 474
2018-03-10 14:57:34 C 14 59 47.07 -07 27 53.0 U 474
2018-03-10 14:59:48 C 14 59 48.72 -07 27 52.7 U 474
2018-03-20 11:57:22 C 17 39 09.35 -05 00 28.4 o 291
2018-03-20 12:11:49 C 17 39 16.27 -05 00 16.8 o 291
2018-03-20 12:20:29 C 17 39 20.43 -05 00 10.4 o 291