161995 (1983 LB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4784739655 ± 3.02e-08
Semi-major axis (a)2.2877282609 AU ± 2.38e-09
Inclination (i)25.26230493° ± 4.91e-06
Long. of Asc. Node (Ω)81.15892973° ± 5.51e-06
Arg. of Perihelion (ω)220.71755997° ± 8.84e-06
Mean Anomaly (M)83.05341769° ± 4.69e-06
Mean Motion (n)0.2848430454°/day ± 4.44e-10
Perihelion dist (q)1.19310985 AU ± 6.92e-08
Aphelion dist (Q)3.38234667 AU ± 6.93e-08
Orbital Period3.46024345 yr ± 5.40e-09
Physical Parameters
H (abs. magnitude)17.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.230″
Uncertainty0
Orbit TypeAmor
MOID0.246090 AU
Observations Used428
Oppositions30
Arc Total1983-2025
First Observation Used1983-06-13
Last Observation Used2025-12-26
Observations (489)
Date Type RA Dec Mag Band Observatory
1983-06-13 05:55:59 A 16 34 41.36 -16 43 32.5 16.0 675
1983-06-13 06:36:00 A 16 34 37.07 -16 45 47.2 675
1983-06-13 06:51:00 A 16 34 36.10 -16 46 35.4 675
1983-06-13 07:00:59 A 16 34 35.19 -16 47 03.8 675
1983-06-17 07:49:07 A 16 25 19.56 -22 26 12.0 675
1983-06-18 05:55:08 A 16 23 06.35 -23 47 27.0 675
1983-06-19 09:14:06 A 16 20 15.17 -25 29 19.1 675
1983-06-20 08:55:07 A 16 17 45.01 -26 58 47.5 675
1983-07-06 12:28:40 A 15 32 09.97 -50 34 26.7 474
1983-07-06 13:00:50 A 15 32 05.95 -50 36 06.5 474
1983-07-11 11:46:39 A 15 17 49.80 -56 28 05.6 474
1983-07-11 12:18:19 A 15 17 45.87 -56 29 29.6 474
1983-08-08 12:08:20 A 14 33 09.07 -77 30 07.5 474
1983-08-08 13:14:19 A 14 33 11.00 -77 31 26.5 474
2004-11-05 11:18:16 C 04 19 55.09 -01 30 13.9 19.7 c 644
2004-11-05 11:49:09 C 04 19 53.01 -01 30 06.0 20.2 c 644
2004-11-05 12:21:49 C 04 19 50.95 -01 29 57.9 20.1 c 644
2004-11-06 07:10:51 C 04 18 36.84 -01 24 59.2 r 734
2004-11-06 07:23:16 C 04 18 35.93 -01 24 55.8 r 734
2004-11-06 07:35:41 C 04 18 35.10 -01 24 51.9 r 734
2004-11-06 07:48:42 C 04 18 34.07 -01 24 49.3 r 734
2004-11-06 14:02:40 C 04 18 09.33 -01 22 57.1 c 474
2004-11-06 14:08:38 C 04 18 08.93 -01 22 55.9 c 474
2004-11-06 14:21:29 C 04 18 07.99 -01 22 52.5 c 474
2004-11-06 14:25:49 C 04 18 07.76 -01 22 51.4 c 474
2004-11-06 23:36:04 C 04 17 31.40 -01 20 32.0 176
2004-11-06 23:39:27 C 04 17 31.15 -01 20 31.1 176
2004-11-06 23:42:51 C 04 17 30.91 -01 20 30.1 176
2004-11-06 23:46:20 C 04 17 30.65 -01 20 29.1 176
2004-12-14 06:31:44 C 03 23 51.316 +04 43 12.52 e 645
2004-12-14 06:36:44 C 03 23 51.111 +04 43 14.92 21.68 e 645
2007-02-21 08:14:36 C 14 06 21.38 +26 33 38.6 21.6 o H55
2007-02-21 08:27:14 C 14 06 21.46 +26 33 45.9 21.3 o H55
2007-02-21 08:56:28 C 14 06 21.66 +26 34 00.6 21.8 o H55
2007-03-26 21:47:04 C 13 52 00.92 +33 44 31.7 r A13
2007-03-26 22:13:21 C 13 51 59.51 +33 44 47.8 r A13
2007-03-26 22:39:54 C 13 51 58.45 +33 44 56.1 r A13
2007-04-06 23:44:44 C 13 38 09.66 +35 22 43.1 o 198
2007-04-06 23:53:49 C 13 38 09.12 +35 22 45.5 o 198
2007-04-06 23:58:22 C 13 38 08.85 +35 22 46.8 o 198
2007-04-07 00:04:26 C 13 38 08.50 +35 22 48.3 o 198
2007-04-30 02:29:07 C 13 03 36.28 +35 27 12.3 20.4 o H55
2007-04-30 02:38:23 C 13 03 35.77 +35 27 08.7 20.4 o H55
2007-04-30 02:45:33 C 13 03 35.35 +35 27 07.0 20.6 o H55
2010-02-12 08:02:27 C 10 56 46.35 +42 58 21.2 o H21
2010-02-12 08:23:35 C 10 56 45.34 +42 58 30.0 o H21
2010-02-12 08:44:44 C 10 56 44.40 +42 58 38.8 o H21
2014-03-17 08:38:55 C 14 52 53.73 +24 52 20.8 q 448
2014-03-17 09:25:51 C 14 52 53.37 +24 52 44.3 q 448
2014-03-17 10:13:12 C 14 52 52.94 +24 53 08.6 q 448