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
1987-09-19 07:52:32 A 01 31 42.30 +24 48 28.1 16.2 688
1987-09-22 23:37:06 A 01 23 21.40 +26 43 56.0 13.0 095
1987-09-25 09:52:44 A 01 17 43.78 +27 50 32.3 16.0 675
1987-09-25 11:07:59 A 01 17 36.16 +27 51 51.7 675
1987-09-25 21:29:49 A 01 16 37.19 +28 02 46.6 13.0 095
1987-09-26 01:18:19 A 01 16 14.35 +28 06 42.5 13.0 095
1987-09-29 07:32:13 A 01 08 44.45 +29 20 56.1 16.2 688
1987-09-29 08:37:33 A 01 08 37.90 +29 21 51.8 688
1987-10-02 07:50:00 A 01 01 58.21 +30 17 19.3 675
1987-10-02 11:53:59 A 01 01 34.67 +30 20 07.1 675
1987-10-15 19:09:32 A 00 36 15.33 +32 30 29.7 13.5 095
1987-10-15 20:41:32 A 00 36 08.84 +32 30 43.2 13.5 095
1987-10-16 04:56:22 A 00 35 37.94 +32 32 05.5 B 691
1987-10-16 05:14:49 A 00 35 36.71 +32 32 08.8 B 691
1987-10-16 05:30:52 A 00 35 35.63 +32 32 11.2 B 691
1987-10-18 08:43:14 A 00 32 29.38 +32 38 36.6 675
1987-10-19 04:57:42 A 00 31 21.04 +32 40 20.8 A 801
1987-10-20 08:39:59 A 00 29 51.54 +32 42 07.0 675
1987-10-20 09:19:35 A 00 29 49.40 +32 42 04.5 657
1987-10-22 08:07:35 A 00 27 30.86 +32 43 28.0 657
1987-11-20 02:16:23 A 00 19 21.30 +31 22 35.2 A 801
1987-11-22 08:00:14 A 00 20 22.37 +31 15 03.2 17.0 675
1987-12-22 04:47:29 A 00 47 37.00 +30 25 18.9 B 691
1987-12-22 04:50:18 A 00 47 37.16 +30 25 19.3 B 691
1987-12-22 05:15:30 A 00 47 38.39 +30 25 18.8 B 691
1988-01-12 03:56:52 A 01 16 08.77 +30 48 59.1 688
1988-01-12 04:09:27 A 01 16 09.53 +30 48 59.9 688
1988-01-15 03:44:16 A 01 20 35.52 +30 55 32.5 B 691
1988-01-15 04:36:13 A 01 20 38.71 +30 55 37.0 B 691
1988-01-15 04:45:52 A 01 20 39.35 +30 55 38.0 B 691
1988-02-06 05:24:59 A 01 55 23.39 +32 00 49.3 675
1988-02-06 05:32:05 A 01 55 23.83 +32 00 49.6 675
1988-02-06 05:38:12 A 01 55 24.26 +32 00 51.4 675
1988-02-07 05:10:12 A 01 57 00.98 +32 04 16.7 675
1988-02-07 05:17:00 A 01 57 01.41 +32 04 17.7 675
1988-02-07 05:26:44 A 01 57 02.06 +32 04 19.4 675
1988-03-06 05:04:48 A 02 44 39.40 +33 50 24.1 675
1988-03-06 05:11:30 A 02 44 39.90 +33 50 24.5 675
1988-03-06 05:18:18 A 02 44 40.37 +33 50 27.0 675
1988-03-06 05:25:27 A 02 44 41.00 +33 50 27.3 675
1992-04-30 12:43:44 A 14 06 29.98 -47 46 37.8 18.1 474
1992-04-30 13:15:04 A 14 06 26.93 -47 46 56.2 474
1992-05-02 12:10:01 A 14 01 59.04 -48 14 19.7 17.7 474
1992-05-02 12:31:20 A 14 01 56.84 -48 14 32.3 474
1992-05-03 17:42:07 13 59 04.04 -48 30 38.6 413
1992-05-24 13:52:45 C 13 06 10.67 -51 07 12.5 413
1992-05-24 13:55:44 C 13 06 10.36 -51 07 12.7 413
1992-05-30 13:53:49 A 12 52 47.87 -51 12 02.0 16.9 474
1992-05-30 14:02:49 A 12 52 47.06 -51 12 01.3 474
1992-06-19 13:22:22 C 12 27 14.53 -50 34 50.4 413