1999 DB2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6172986016 ± 3.39e-08
Semi-major axis (a)3.0155130224 AU ± 6.73e-09
Inclination (i)11.06114756° ± 9.08e-06
Long. of Asc. Node (Ω)321.34230384° ± 2.71e-05
Arg. of Perihelion (ω)258.71137278° ± 3.60e-05
Mean Anomaly (M)20.97194297° ± 3.81e-06
Mean Motion (n)0.1882220346°/day ± 6.30e-10
Perihelion dist (q)1.15404105 AU ± 1.02e-07
Aphelion dist (Q)4.87698499 AU ± 1.03e-07
Orbital Period5.23650850 yr ± 1.75e-08
Physical Parameters
H (abs. magnitude)19.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.444″
Uncertainty0
Orbit TypeAmor
MOID0.248713 AU
Observations Used175
Oppositions17
Arc Total1999-2020
First Observation Used1999-02-16
Last Observation Used2020-06-13
Observations (189)
Date Type RA Dec Mag Band Observatory
2020-01-29 14:54:33 C 11 52 36.080 -02 41 11.89 U F51
2020-01-29 15:11:03 C 11 52 36.807 -02 41 28.61 U F51
2020-01-31 12:16:27 C 11 54 44.860 -03 28 20.16 U F51
2020-01-31 12:48:31 C 11 54 46.253 -03 28 54.07 U F51
2020-01-31 13:04:30 C 11 54 46.969 -03 29 11.20 U F51
2020-02-03 14:09:48 C 11 58 08.837 -04 48 53.22 U F52
2020-02-03 14:26:55 C 11 58 09.554 -04 49 12.39 U F52
2020-02-03 14:43:58 C 11 58 10.266 -04 49 31.55 U F52
2020-02-16 09:40:15 C 12 11 19.04 -11 24 25.4 V 703
2020-02-16 09:47:51 C 12 11 19.32 -11 24 35.9 V 703
2020-02-16 09:55:26 C 12 11 19.57 -11 24 48.3 V 703
2020-02-24 00:13:35 C 12 18 21.78 -16 15 34.2 V C95
2020-02-24 00:20:36 C 12 18 21.99 -16 15 45.4 V C95
2020-02-27 08:33:32 C 12 21 18.15 -18 39 12.0 V 703
2020-02-27 08:41:09 C 12 21 18.43 -18 39 26.2 V 703
2020-02-27 08:48:47 C 12 21 18.65 -18 39 40.9 V 703
2020-02-27 08:56:24 C 12 21 18.93 -18 39 54.9 V 703
2020-03-03 11:54:33 C 12 25 42.27 -22 39 33.6 V T08
2020-03-03 11:58:33 C 12 25 42.34 -22 39 41.7 V T08
2020-03-03 11:59:12 C 12 25 42.37 -22 39 41.8 V T08
2020-03-03 12:09:03 C 12 25 42.65 -22 40 03.6 V T08
2020-03-03 12:12:29 C 12 25 42.78 -22 40 10.3 V T08
2020-03-03 12:33:33 C 12 25 43.32 -22 40 53.1 V T08
2020-03-04 08:19:22 C 12 26 25.71 -23 21 45.3 V 703
2020-03-04 08:26:57 C 12 26 25.96 -23 21 59.7 V 703
2020-03-04 08:42:08 C 12 26 26.37 -23 22 31.1 V 703
2020-03-21 13:09:10 C 12 42 01.64 -39 42 03.1 V T05
2020-03-21 13:15:43 C 12 42 01.85 -39 42 20.7 V T05
2020-03-21 13:23:39 C 12 42 02.13 -39 42 40.6 V T05
2020-03-21 13:44:44 C 12 42 02.87 -39 43 34.3 V T05
2020-05-31 23:42:45 C 17 56 05.74 -66 58 07.0 o K95
2020-06-01 01:18:14 C 17 56 11.00 -66 56 06.5 o K95
2020-06-13 01:09:09 C 18 07 42.82 -60 18 32.7 q X74
2020-06-13 01:29:51 C 18 07 42.99 -60 18 03.9 q X74
2020-06-13 01:50:33 C 18 07 43.16 -60 17 33.9 q X74
2020-06-13 12:31:57 C 18 07 52.74 -60 01 46.9 V 474
2020-06-13 12:34:49 C 18 07 52.75 -60 01 42.4 V 474
2020-06-13 12:37:40 C 18 07 52.77 -60 01 38.5 V 474
2020-06-13 12:40:32 C 18 07 52.76 -60 01 34.2 V 474