1999 LD30

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6304943807 ± 1.65e-07
Semi-major axis (a)2.8660578492 AU ± 3.05e-07
Inclination (i)8.13358423° ± 1.18e-05
Long. of Asc. Node (Ω)85.50195215° ± 3.11e-05
Arg. of Perihelion (ω)206.80536877° ± 5.17e-05
Mean Anomaly (M)157.36960500° ± 1.70e-04
Mean Motion (n)0.2031350419°/day ± 3.25e-08
Perihelion dist (q)1.05902448 AU ± 4.86e-07
Aphelion dist (Q)4.67309122 AU ± 6.87e-07
Orbital Period4.85207414 yr ± 7.76e-07
Physical Parameters
H (abs. magnitude)20.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.543″
Uncertainty0
Orbit TypeAmor
MOID0.062476 AU
Observations Used72
Oppositions4
Arc Total1999-2004
First Observation Used1999-06-15
Last Observation Used2004-10-10
Observations (72)
Date Type RA Dec Mag Band Observatory
1999-06-15 08:34:51 C 19 40 59.65 -21 50 02.9 18.1 a 704
1999-06-15 08:52:09 C 19 41 03.82 -21 50 32.5 18.2 a 704
1999-06-15 09:09:49 C 19 41 08.04 -21 51 02.6 18.6 a 704
1999-06-15 09:27:22 C 19 41 12.24 -21 51 32.1 18.6 a 704
1999-06-15 09:44:46 C 19 41 16.39 -21 52 01.2 18.2 a 704
1999-06-17 06:32:39 C 19 52 54.23 -23 08 14.5 17.8 c 696
1999-06-17 06:48:51 C 19 52 58.28 -23 08 41.7 c 696
1999-06-17 07:49:31 C 19 53 13.63 -23 10 27.9 c 696
1999-06-17 08:12:58 C 19 53 19.66 -23 11 09.8 c 696
1999-06-17 14:57:39 C 19 55 07.44 -23 22 00.3 422
1999-06-17 14:58:29 C 19 55 07.73 -23 22 01.8 422
1999-06-17 14:59:15 C 19 55 07.84 -23 22 02.8 422
1999-06-17 15:00:56 C 19 55 08.30 -23 22 06.2 422
1999-06-18 00:17:34 C 19 57 37.99 -23 38 54.2 z 587
1999-06-18 00:19:50 C 19 57 38.65 -23 39 00.2 z 587
1999-06-18 09:09:38 C 20 00 02.05 -23 54 07.9 z 684
1999-06-18 09:12:29 C 20 00 02.76 -23 54 12.8 z 684
1999-06-18 09:15:51 C 20 00 03.66 -23 54 18.8 z 684
1999-06-18 10:46:09 C 20 00 27.13 -23 56 53.8 z 684
1999-06-18 10:49:28 C 20 00 28.02 -23 56 58.9 z 684
1999-06-18 14:56:00 C 20 01 37.17 -24 03 20.3 z 428
1999-06-18 15:00:42 C 20 01 38.54 -24 03 30.1 z 428
1999-06-18 15:37:42 C 20 01 48.93 -24 04 28.9 426
1999-06-18 15:40:45 C 20 01 49.71 -24 04 34.5 426
1999-06-18 15:44:47 C 20 01 50.80 -24 04 41.7 426
1999-06-19 08:52:28 C 20 06 34.89 -24 35 01.0 z 684
1999-06-19 08:55:26 C 20 06 35.65 -24 35 06.9 z 684
1999-06-19 14:23:35 C 20 08 08.33 -24 43 43.9 422
1999-06-19 14:25:09 C 20 08 08.71 -24 43 46.5 422
1999-06-19 14:26:09 C 20 08 09.00 -24 43 48.5 422
1999-06-20 00:26:28 C 20 10 57.39 -25 01 55.7 d 046
1999-06-20 00:30:27 C 20 10 58.70 -25 02 01.9 d 046
1999-06-20 00:32:34 C 20 10 58.96 -25 02 04.6 d 046
1999-06-20 00:34:50 C 20 10 59.74 -25 02 09.0 d 046
1999-06-20 00:36:00 C 20 11 00.00 -25 02 11.6 d 046
1999-06-29 16:42:41 C 21 21 41.63 -31 03 43.3 413
1999-06-29 16:46:47 C 21 21 42.85 -31 03 48.5 413
1999-07-02 13:09:11 C 21 43 10.72 -32 25 20.9 413
1999-07-02 13:11:29 C 21 43 11.41 -32 25 23.6 413
1999-07-09 17:39:52 C 22 33 39.79 -34 46 11.9 426
1999-07-09 17:45:09 C 22 33 41.12 -34 46 14.9 426
1999-07-09 17:50:11 C 22 33 42.40 -34 46 18.2 426
1999-07-10 17:10:09 C 22 39 54.33 -34 58 37.0 z 428
1999-07-10 17:16:46 C 22 39 55.91 -34 58 41.0 z 428
1999-07-10 17:23:28 C 22 39 57.65 -34 58 44.5 z 428
1999-08-04 17:34:37 C 00 14 29.38 -35 30 10.7 413
1999-08-04 17:38:37 C 00 14 29.61 -35 30 10.0 413
1999-09-14 18:20:04 C 00 10 04.27 -30 02 26.3 413
1999-09-14 18:24:47 C 00 10 04.11 -30 02 23.3 413
1999-09-18 15:37:55 C 00 07 05.34 -29 08 31.3 413