138937 (2001 BK16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6779799601 ± 2.67e-08
Semi-major axis (a)2.0723812401 AU ± 1.62e-09
Inclination (i)31.81272239° ± 7.68e-06
Long. of Asc. Node (Ω)98.82942656° ± 3.34e-06
Arg. of Perihelion (ω)252.42382053° ± 6.09e-06
Mean Anomaly (M)139.15541447° ± 2.92e-06
Mean Motion (n)0.3303754729°/day ± 3.88e-10
Perihelion dist (q)0.66734829 AU ± 5.54e-08
Aphelion dist (Q)3.47741419 AU ± 5.55e-08
Orbital Period2.98335187 yr ± 3.51e-09
Physical Parameters
H (abs. magnitude)17.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.809″
Uncertainty0
Orbit TypeApollo
MOID0.062171 AU
Observations Used3037
Oppositions18
Arc Total1998-2025
First Observation Used1998-01-27
Last Observation Used2025-02-25
Observations (5212)
Date Type RA Dec Mag Band Observatory
2024-11-25 07:36:09 C 09 21 55.896 -04 08 55.36 V W68
2024-11-25 07:40:43 C 09 21 55.577 -04 08 44.09 V W68
2024-11-25 07:45:18 C 09 21 55.236 -04 08 33.50 V W68
2024-11-25 08:03:09 C 09 21 53.897 -04 07 52.03 V W68
2024-11-26 12:11:55 C 09 19 53.947 -03 01 31.26 V 703
2024-11-26 12:15:11 C 09 19 53.706 -03 01 23.66 V 703
2024-11-26 12:18:27 C 09 19 53.458 -03 01 16.21 V 703
2024-11-26 12:21:43 C 09 19 53.195 -03 01 07.86 V 703
2024-11-26 14:32:01 C 09 19 44.035 -02 55 53.94 V T05
2024-11-26 14:53:09 C 09 19 42.420 -02 55 03.58 V T05
2024-11-26 14:56:29 C 09 19 42.158 -02 54 55.26 V T05
2024-11-28 04:21:46 B 09 16 54.55 -01 24 50.3 X K19
2024-11-28 04:26:55 B 09 16 54.14 -01 24 37.8 X K19
2024-11-28 04:32:05 B 09 16 53.71 -01 24 25.2 X K19
2024-11-30 12:05:55 C 09 12 27.955 +00 52 34.43 V T05
2024-11-30 12:34:22 C 09 12 25.483 +00 53 45.89 V T05
2024-11-30 12:36:59 C 09 12 25.246 +00 53 52.37 V T05
2024-11-30 12:38:57 C 09 12 25.111 +00 53 56.65 V T05
2024-11-30 12:39:36 C 09 12 25.087 +00 53 58.38 V T05
2024-11-30 12:43:33 C 09 12 24.650 +00 54 07.92 V T05
2024-11-30 12:51:22 C 09 12 24.031 +00 54 27.58 V T05
2024-12-01 01:05:02 C 09 11 22.202 +01 25 19.99 V M22
2024-12-01 01:22:43 C 09 11 20.652 +01 26 04.31 V M22
2024-12-01 01:29:15 C 09 11 20.095 +01 26 20.47 V M22
2024-12-01 01:55:09 C 09 11 17.765 +01 27 25.24 V M22
2024-12-01 11:31:15 C 09 10 28.207 +01 51 14.08 V 703
2024-12-01 11:34:31 C 09 10 27.937 +01 51 22.46 V 703
2024-12-01 11:37:47 C 09 10 27.635 +01 51 30.89 V 703
2024-12-01 11:41:03 C 09 10 27.325 +01 51 38.99 V 703
2024-12-03 07:24:27 C 09 06 34.390 +03 43 03.04 V W68
2024-12-03 07:29:04 C 09 06 33.950 +03 43 15.31 V W68
2024-12-03 07:37:34 C 09 06 33.120 +03 43 36.80 V W68
2024-12-03 08:03:25 C 09 06 30.653 +03 44 43.08 V W68
2024-12-03 08:23:53 C 09 06 28.687 +03 45 35.50 V W68
2024-12-03 11:42:40 C 09 06 10.199 +03 53 45.64 V 703
2024-12-03 11:45:55 C 09 06 09.857 +03 53 54.17 V 703
2024-12-03 11:49:11 C 09 06 09.601 +03 54 02.56 V 703
2024-12-03 11:52:27 C 09 06 09.270 +03 54 11.45 V 703
2024-12-04 08:59:05 C 09 04 11.294 +04 48 30.38 V 703
2024-12-04 09:02:23 C 09 04 10.988 +04 48 39.67 V 703
2024-12-04 09:05:42 C 09 04 10.686 +04 48 47.99 V 703
2024-12-04 09:09:00 C 09 04 10.290 +04 48 55.76 V 703
2024-12-05 11:06:45 C 09 01 39.112 +05 56 15.32 V 703
2024-12-05 11:10:04 C 09 01 38.748 +05 56 23.50 V 703
2024-12-05 11:13:24 C 09 01 38.327 +05 56 31.99 V 703
2024-12-05 11:16:44 C 09 01 37.988 +05 56 40.49 V 703
2024-12-07 07:02:25 C 08 57 12.418 +07 51 25.20 V W68
2024-12-07 07:06:58 C 08 57 11.909 +07 51 36.79 V W68
2024-12-07 07:22:33 C 08 57 10.217 +07 52 18.26 V W68
2024-12-07 07:40:15 C 08 57 08.311 +07 53 04.45 V W68