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
2021-12-19 12:03:54 S 08 02 12.324 +16 24 50.98 V C57
2021-12-19 12:03:54 s 1 +170214.59 9 +219849.25 9840.0 C57
2021-12-19 12:53:54 S 08 02 04.373 +16 27 17.24 V C57
2021-12-19 12:53:54 s 1 +169491.17 3 +222943.03 8570.0 C57
2021-12-19 13:03:54 S 08 02 02.650 +16 27 49.18 V C57
2021-12-19 13:03:54 s 1 +169343.35 8 +223557.73 8310.0 C57
2021-12-19 13:13:54 S 08 02 01.097 +16 28 21.97 V C57
2021-12-19 13:13:54 s 1 +169194.51 0 +224171.09 4090.0 C57
2021-12-19 13:23:54 S 08 01 59.568 +16 28 47.93 V C57
2021-12-19 13:23:54 s 1 +169044.63 6 +224783.10 5930.0 C57
2021-12-19 14:03:54 S 08 01 52.829 +16 30 54.14 V C57
2021-12-19 14:03:54 s 1 +168434.96 3 +227217.72 4300.0 C57
2021-12-19 14:13:54 S 08 01 51.504 +16 31 18.62 V C57
2021-12-19 14:13:54 s 1 +168280.02 5 +227823.03 6740.0 C57
2021-12-19 14:23:54 S 08 01 50.141 +16 31 48.11 V C57
2021-12-19 14:23:54 s 1 +168124.08 8 +228427.00 5350.0 C57
2021-12-19 14:33:54 S 08 01 48.629 +16 32 20.62 V C57
2021-12-19 14:33:54 s 1 +167967.15 7 +229029.64 160.0 C57
2021-12-19 14:43:54 S 08 01 46.908 +16 32 50.21 V C57
2021-12-19 14:43:54 s 1 +167809.23 6 +229630.94 1190.0 C57
2021-12-19 14:53:54 S 08 01 45.641 +16 33 17.06 V C57
2021-12-19 14:53:54 s 1 +167650.33 1 +230230.91 8450.0 C57
2021-12-19 15:03:54 S 08 01 43.877 +16 33 47.70 V C57
2021-12-19 15:03:54 s 1 +167490.44 6 +230829.55 1950.0 C57
2021-12-19 15:43:54 S 08 01 37.399 +16 35 48.91 V C57
2021-12-19 15:43:54 s 1 +166841.19 0 +233210.84 8860.0 C57
2021-12-19 16:03:54 S 08 01 34.260 +16 36 43.96 V C57
2021-12-19 16:03:54 s 1 +166510.79 7 +234393.55 5280.0 C57
2021-12-19 16:13:54 S 08 01 32.542 +16 37 17.29 V C57
2021-12-19 16:13:54 s 1 +166344.17 5 +234982.92 3050.0 C57
2021-12-19 16:23:54 S 08 01 31.126 +16 37 46.88 V C57
2021-12-19 16:23:54 s 1 +166176.60 7 +235570.97 7210.0 C57
2021-12-19 16:33:54 S 08 01 29.297 +16 38 13.63 V C57
2021-12-19 16:33:54 s 1 +166008.09 9 +236157.71 7780.0 C57
2021-12-19 16:43:54 S 08 01 27.742 +16 38 51.18 V C57
2021-12-19 16:43:54 s 1 +165838.65 5 +236743.13 4780.0 C57
2021-12-19 16:53:54 S 08 01 26.282 +16 39 17.86 V C57
2021-12-19 16:53:54 s 1 +165668.27 9 +237327.24 8230.0 C57
2021-12-19 17:03:54 S 08 01 24.617 +16 39 42.91 V C57
2021-12-19 17:03:54 s 1 +165496.97 5 +237910.03 8140.0 C57
2021-12-19 17:13:54 S 08 01 23.129 +16 40 13.84 V C57
2021-12-19 17:13:54 s 1 +165324.74 8 +238491.51 4530.0 C57
2021-12-19 17:23:54 S 08 01 21.499 +16 40 43.43 V C57
2021-12-19 17:23:54 s 1 +165151.60 2 +239071.69 7410.0 C57
2021-12-19 17:33:54 S 08 01 19.726 +16 41 16.01 V C57
2021-12-19 17:33:54 s 1 +164977.54 0 +239650.55 6810.0 C57
2021-12-19 17:43:54 S 08 01 18.281 +16 41 43.37 V C57
2021-12-19 17:43:54 s 1 +164802.56 7 +240228.11 2740.0 C57
2021-12-19 17:53:54 S 08 01 16.834 +16 42 17.24 V C57
2021-12-19 17:53:54 s 1 +164626.68 7 +240804.37 5210.0 C57