IAA RAS IAA Minor Planet Database

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
2021-12-12 22:23:54 s 1 -142648.89 8 +289379.47 8690.0 – C57
2021-12-12 22:33:54 S 08 26 22.805 +08 05 50.35 – V C57
2021-12-12 22:33:54 s 1 -142895.73 5 +288921.83 2240.0 – C57
2021-12-12 22:43:54 S 08 26 21.250 +08 06 20.84 – V C57
2021-12-12 22:43:54 s 1 -143141.99 8 +288463.03 3130.0 – C57
2021-12-12 22:53:54 S 08 26 19.783 +08 06 53.93 – V C57
2021-12-12 22:53:54 s 1 -143387.68 7 +288003.07 1340.0 – C57
2021-12-12 23:13:54 S 08 26 16.373 +08 07 56.46 – V C57
2021-12-12 23:13:54 s 1 -143877.32 7 +287079.66 9720.0 – C57
2021-12-12 23:23:54 S 08 26 14.568 +08 08 32.28 – V C57
2021-12-12 23:23:54 s 1 -144121.27 4 +286616.21 9860.0 – C57
2021-12-12 23:33:54 S 08 26 13.051 +08 09 02.09 – V C57
2021-12-12 23:33:54 s 1 -144364.63 5 +286151.59 7290.0 – C57
2021-12-12 23:43:54 S 08 26 11.491 +08 09 35.39 – V C57
2021-12-12 23:43:54 s 1 -144607.40 9 +285685.81 1990.0 – C57
2021-12-12 23:53:54 S 08 26 09.710 +08 10 06.13 – V C57
2021-12-12 23:53:54 s 1 -144849.59 2 +285218.86 3960.0 – C57
2021-12-13 00:03:54 S 08 26 08.114 +08 10 36.80 – V C57
2021-12-13 00:03:54 s 1 -145091.18 2 +284750.74 3170.0 – C57
2021-12-13 00:13:54 S 08 26 06.326 +08 11 09.17 – V C57
2021-12-13 00:13:54 s 1 -145332.17 7 +284281.45 9640.0 – C57
2021-12-13 00:23:54 S 08 26 04.874 +08 11 39.62 – V C57
2021-12-13 00:23:54 s 1 -145572.57 3 +283810.98 3330.0 – C57
2021-12-13 00:33:54 S 08 26 03.034 +08 12 17.75 – V C57
2021-12-13 00:33:54 s 1 -145812.36 9 +283339.35 4240.0 – C57
2021-12-13 00:43:54 S 08 26 01.567 +08 12 45.22 – V C57
2021-12-13 00:43:54 s 1 -146051.56 2 +282866.54 2360.0 – C57
2021-12-13 00:53:54 S 08 25 59.563 +08 13 23.88 – V C57
2021-12-13 00:53:54 s 1 -146290.14 8 +282392.55 7680.0 – C57
2021-12-13 01:03:54 S 08 25 57.929 +08 13 58.55 – V C57
2021-12-13 01:03:54 s 1 -146528.12 7 +281917.39 190.0 – C57
2021-12-13 01:13:54 S 08 25 56.734 +08 14 22.96 – V C57
2021-12-13 01:13:54 s 1 -146765.49 4 +281441.06 9880.0 – C57
2021-12-13 01:23:54 S 08 25 54.931 +08 14 56.08 – V C57
2021-12-13 01:23:54 s 1 -147002.24 7 +280963.54 6720.0 – C57
2021-12-13 01:33:54 S 08 25 53.294 +08 15 30.46 – V C57
2021-12-13 01:33:54 s 1 -147238.38 4 +280484.85 720.0 – C57
2021-12-13 01:53:54 S 08 25 49.814 +08 16 32.74 – V C57
2021-12-13 01:53:54 s 1 -147708.79 8 +279523.91 140.0 – C57
2021-12-13 02:03:54 S 08 25 48.206 +08 17 11.33 – V C57
2021-12-13 02:03:54 s 1 -147943.06 9 +279041.67 5530.0 – C57
2021-12-13 02:53:54 S 08 25 39.905 +08 19 51.31 – V C57
2021-12-13 02:53:54 s 1 -149104.96 6 +276612.68 8860.0 – C57
2021-12-13 03:03:54 S 08 25 38.501 +08 20 20.00 – V C57
2021-12-13 03:03:54 s 1 -149335.43 3 +276123.32 6720.0 – C57
2021-12-13 03:13:54 S 08 25 36.864 +08 20 53.34 – V C57
2021-12-13 03:13:54 s 1 -149565.25 7 +275632.76 1610.0 – C57
2021-12-13 03:23:54 S 08 25 35.028 +08 21 23.80 – V C57
2021-12-13 03:23:54 s 1 -149794.43 5 +275141.01 3530.0 – C57
2021-12-13 03:33:54 S 08 25 33.305 +08 22 00.05 – V C57