5324 Lyapunov (1987 SL)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6062556199 ± 3.81e-08
Semi-major axis (a)2.9793041904 AU ± 1.76e-08
Inclination (i)19.65541203° ± 6.13e-06
Long. of Asc. Node (Ω)352.02469155° ± 1.72e-05
Arg. of Perihelion (ω)321.18139980° ± 1.92e-05
Mean Anomaly (M)178.68835925° ± 1.44e-05
Mean Motion (n)0.1916637605°/day ± 1.70e-09
Perihelion dist (q)1.17308428 AU ± 1.14e-07
Aphelion dist (Q)4.78552410 AU ± 1.17e-07
Orbital Period5.14247597 yr ± 4.55e-08
Physical Parameters
H (abs. magnitude)15.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.382″
Uncertainty0
Orbit TypeAmor
MOID0.222346 AU
Observations Used376
Oppositions31
Arc Total1987-2025
First Observation Used1987-09-19
Last Observation Used2025-02-22
Observations (401)
Date Type RA Dec Mag Band Observatory
1992-06-19 13:24:42 C 12 27 14.47 -50 34 50.2 413
1992-07-30 09:04:26 A 13 22 28.15 -52 12 28.9 413
1992-08-05 10:15:00 C 13 45 01.78 -52 48 22.0 413
1992-08-05 10:17:11 C 13 45 02.13 -52 48 22.4 413
1992-08-20 11:23:04 C 15 03 00.66 -53 23 09.0 413
1992-08-20 11:26:06 C 15 03 01.42 -53 23 08.1 413
1992-08-21 10:50:15 C 15 09 11.68 -53 19 28.2 413
1992-08-21 10:52:54 C 15 09 12.36 -53 19 27.7 413
1992-09-05 11:36:47 C 16 56 07.66 -49 22 23.9 413
1992-09-05 11:39:03 C 16 56 08.37 -49 22 21.2 413
1992-10-24 00:00:00 C 21 11 40.17 -08 05 33.8 z 801
1992-10-24 00:04:16 C 21 11 40.77 -08 05 25.8 z 801
1992-10-27 23:42:51 C 21 24 09.70 -05 22 40.2 z 801
1992-10-27 23:48:31 C 21 24 10.41 -05 22 30.7 z 801
1992-11-20 23:46:39 C 22 28 35.73 +06 44 22.2 z 801
1992-11-20 23:52:41 C 22 28 36.34 +06 44 27.9 z 801
1992-11-27 23:27:19 C 22 45 09.93 +09 16 46.9 z 801
1992-11-27 23:35:38 C 22 45 10.72 +09 16 54.4 z 801
1992-12-10 11:45:44 C 23 13 28.04 +13 08 49.1 413
1992-12-10 11:49:29 C 23 13 28.34 +13 08 52.2 413
1992-12-26 23:18:19 C 23 48 57.53 +17 18 52.2 801
1992-12-26 23:31:35 C 23 48 58.50 +17 19 00.1 801
1997-03-16 02:05:06 C 13 48 50.00 -25 55 19.6 620
1997-03-16 03:22:28 C 13 48 47.71 -25 55 49.7 620
1997-03-16 03:55:41 C 13 48 46.67 -25 56 03.4 620
1997-03-19 11:19:58 C 13 46 17.81 -26 26 30.1 c 608
1997-03-19 12:24:01 C 13 46 15.53 -26 26 54.3 c 608
1997-04-30 03:25:30 C 12 44 50.80 -29 55 11.1 z 735
1997-04-30 03:47:00 C 12 44 49.35 -29 55 10.9 z 735
1997-04-30 04:02:29 C 12 44 48.15 -29 55 10.8 z 735
1997-05-02 08:39:05 C 12 40 59.39 -29 53 38.3 c 608
1997-05-02 09:31:56 C 12 40 55.47 -29 53 35.9 c 608
1997-05-04 05:53:59 C 12 37 46.85 -29 51 21.3 z 735
1997-05-04 06:13:59 C 12 37 45.39 -29 51 20.0 z 735
1997-05-04 06:27:59 C 12 37 44.38 -29 51 19.2 z 735
1997-05-20 08:44:33 C 12 14 53.36 -29 08 19.5 c 608
1997-05-20 09:25:13 C 12 14 51.41 -29 08 13.5 c 608
1997-08-30 10:33:48 C 14 26 22.69 -36 35 44.1 z 422
1997-11-02 01:24:10 C 19 39 23.28 -25 00 41.0 z 711
1997-11-02 01:32:09 C 19 39 24.81 -25 00 29.8 z 711
1997-11-03 01:07:32 C 19 43 53.54 -24 28 29.3 z 711
1998-01-10 16:24:55 C 23 29 59.96 +09 14 48.5 z 118
1998-01-10 16:39:22 C 23 30 01.52 +09 15 01.1 z 118
2002-02-15 10:52:02 C 13 24 45.71 -16 08 57.4 c 711
2002-02-15 11:10:33 C 13 24 45.49 -16 09 04.5 c 711
2002-02-15 11:29:04 C 13 24 45.38 -16 09 09.5 c 711
2002-02-26 12:25:11 C 13 21 53.56 -17 18 36.2 o 644
2002-04-14 10:44:00 C 12 31 20.92 -19 26 19.5 o 608
2002-04-14 10:59:34 C 12 31 19.94 -19 26 18.7 o 608
2002-04-14 11:15:20 C 12 31 18.91 -19 26 17.4 o 608