1999 LW1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6820916595 ± 5.45e-08
Semi-major axis (a)1.4380099398 AU ± 3.02e-09
Inclination (i)6.66996823° ± 9.33e-06
Long. of Asc. Node (Ω)204.51663540° ± 1.17e-04
Arg. of Perihelion (ω)168.63353215° ± 1.22e-04
Mean Anomaly (M)84.46555967° ± 4.39e-06
Mean Motion (n)0.5715700241°/day ± 1.80e-09
Perihelion dist (q)0.45715535 AU ± 7.84e-08
Aphelion dist (Q)2.41886453 AU ± 7.86e-08
Orbital Period1.72441913 yr ± 5.42e-09
Physical Parameters
H (abs. magnitude)20.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.435″
Uncertainty0
Orbit TypeApollo
MOID0.099891 AU
Observations Used73
Oppositions10
Arc Total1999-2023
First Observation Used1999-06-07
Last Observation Used2023-04-29
Observations (80)
Date Type RA Dec Mag Band Observatory
1999-06-07 06:52:31 c 15 49 40.72 +12 53 07.4 d 703
1999-06-07 07:20:14 c 15 49 31.42 +12 55 20.1 d 703
1999-06-07 07:48:00 c 15 49 22.09 +12 57 34.7 d 703
1999-06-07 08:15:43 c 15 49 12.87 +12 59 47.6 d 703
1999-06-07 23:19:22 C 15 44 11.77 +14 13 21.9 d 046
1999-06-07 23:21:09 C 15 44 11.12 +14 13 30.5 d 046
1999-06-07 23:22:43 C 15 44 10.50 +14 13 39.0 d 046
1999-06-07 23:24:17 C 15 44 10.09 +14 13 46.9 d 046
1999-06-07 23:26:00 C 15 44 09.50 +14 13 55.7 d 046
1999-06-07 23:27:30 C 15 44 08.92 +14 14 03.0 d 046
1999-06-08 21:56:27 C 15 36 06.79 +16 09 16.6 557
1999-06-08 21:57:28 C 15 36 06.41 +16 09 21.3 557
1999-06-08 21:59:30 C 15 36 05.64 +16 09 32.2 557
1999-06-08 22:00:32 C 15 36 05.25 +16 09 38.4 557
1999-06-09 05:40:24 C 15 33 11.59 +16 50 30.9 i 693
1999-06-09 05:41:11 C 15 33 11.28 +16 50 35.3 i 693
1999-06-09 05:41:59 C 15 33 10.91 +16 50 40.2 i 693
1999-06-09 11:52:54 C 15 30 47.81 +17 24 46.0 426
1999-06-09 11:56:15 C 15 30 46.47 +17 25 03.9 426
1999-06-09 11:59:21 C 15 30 45.20 +17 25 20.5 426
1999-06-09 12:02:30 C 15 30 43.88 +17 25 38.2 426
1999-06-09 22:25:06 C 15 26 32.62 +18 21 23.7 557
1999-06-09 23:03:01 C 15 26 16.78 +18 24 54.2 d 046
1999-06-09 23:04:31 C 15 26 16.19 +18 25 02.0 d 046
1999-06-09 23:05:33 C 15 26 15.78 +18 25 08.1 d 046
1999-06-09 23:06:36 C 15 26 15.32 +18 25 14.2 d 046
1999-06-09 23:07:52 C 15 26 14.85 +18 25 21.3 d 046
1999-06-09 23:09:00 C 15 26 14.37 +18 25 27.2 d 046
1999-06-09 23:16:01 C 15 26 11.53 +18 26 06.1 c 611
1999-06-09 23:19:00 C 15 26 10.27 +18 26 23.3 c 611
1999-06-09 23:22:11 C 15 26 08.95 +18 26 39.3 c 611
1999-06-09 23:31:30 C 15 26 05.04 +18 27 31.9 c 611
1999-06-09 23:47:11 C 15 25 58.28 +18 28 56.5 557
1999-06-09 23:48:13 C 15 25 57.87 +18 29 02.8 557
1999-06-10 00:25:12 C 15 25 42.30 +18 32 28.4 c 118
1999-06-10 00:26:35 C 15 25 41.64 +18 32 35.5 c 118
1999-06-10 00:30:16 C 15 25 40.12 +18 32 55.5 c 118
1999-06-11 04:17:04 C 15 13 38.99 +21 11 28.0 18.5 a 704
1999-06-11 04:35:33 C 15 13 30.24 +21 13 16.5 18.8 a 704
1999-06-11 04:54:11 C 15 13 21.42 +21 15 05.0 18.8 a 704
1999-06-11 05:12:46 C 15 13 12.68 +21 16 52.9 18.8 a 704
1999-06-11 05:31:15 C 15 13 03.95 +21 18 40.5 18.7 a 704
2010-02-07 05:09:58 S 03 48 58.980 -08 08 46.03 L C51
2010-02-07 05:10:09 S 03 48 59.083 -08 08 46.32 L C51
2010-02-07 08:20:40 S 03 50 35.686 -07 58 30.14 L C51
2010-02-07 09:55:50 S 03 51 23.698 -07 53 23.64 L C51
2010-02-07 09:56:01 S 03 51 23.789 -07 53 23.50 L C51
2010-02-07 13:06:32 S 03 52 59.304 -07 43 12.25 L C51
2017-01-30 12:47:52 C 10 59 45.016 -12 32 12.19 L F51
2017-01-30 13:04:37 C 10 59 42.301 -12 31 52.90 L F51