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
2022-01-03 20:43:53 S 07 04 36.139 +30 41 11.62 V C57
2022-01-03 20:43:53 s 1 +122441.24 2 +326366.55 8290.0 C57
2022-01-03 20:53:53 S 07 04 35.448 +30 41 23.93 V C57
2022-01-03 20:53:53 s 1 +122150.20 5 +326730.43 9710.0 C57
2022-01-03 21:03:53 S 07 04 33.166 +30 41 47.04 V C57
2022-01-03 21:03:53 s 1 +121858.76 2 +327093.26 9660.0 C57
2022-01-03 21:13:53 S 07 04 31.682 +30 42 00.54 V C57
2022-01-03 21:13:53 s 1 +121566.89 9 +327455.00 8090.0 C57
2022-01-03 21:23:53 S 07 04 30.905 +30 42 18.68 V C57
2022-01-03 21:23:53 s 1 +121274.62 4 +327815.67 5050.0 C57
2022-01-03 21:33:53 S 07 04 29.486 +30 42 31.14 V C57
2022-01-03 21:33:53 s 1 +120981.94 7 +328175.29 550.0 C57
2022-01-03 21:43:53 S 07 04 27.986 +30 42 54.32 V C57
2022-01-03 21:43:53 s 1 +120688.85 7 +328533.83 4570.0 C57
2022-01-03 21:53:53 S 07 04 26.654 +30 43 05.56 V C57
2022-01-03 21:53:53 s 1 +120395.35 8 +328891.30 7120.0 C57
2022-01-03 22:03:53 S 07 04 25.440 +30 43 25.10 V C57
2022-01-03 22:03:53 s 1 +120101.46 3 +329247.73 8250.0 C57
2022-01-03 22:13:53 S 07 04 23.818 +30 43 40.58 V C57
2022-01-03 22:13:53 s 1 +119807.16 0 +329603.08 7910.0 C57
2022-01-03 22:23:53 S 07 04 22.418 +30 43 55.63 V C57
2022-01-03 22:23:53 s 1 +119512.45 3 +329957.35 6130.0 C57
2022-01-03 22:33:53 S 07 04 20.693 +30 44 11.51 V C57
2022-01-03 22:33:53 s 1 +119217.35 5 +330310.59 2940.0 C57
2022-01-03 22:43:53 S 07 04 19.253 +30 44 27.17 V C57
2022-01-03 22:43:53 s 1 +118921.85 3 +330662.75 8310.0 C57
2022-01-03 22:53:53 S 07 04 17.861 +30 44 42.83 V C57
2022-01-03 22:53:53 s 1 +118625.95 4 +331013.84 2250.0 C57
2022-01-03 23:13:53 S 07 04 14.758 +30 45 17.75 V C57
2022-01-03 23:13:53 s 1 +118032.98 2 +331712.87 5940.0 C57
2022-01-03 23:23:53 S 07 04 13.308 +30 45 33.80 V C57
2022-01-03 23:23:53 s 1 +117735.90 4 +332060.79 5670.0 C57
2022-01-03 23:43:53 S 07 04 10.766 +30 46 05.09 V C57
2022-01-03 23:43:53 s 1 +117140.59 0 +332753.47 1000.0 C57
2022-01-03 23:53:53 S 07 04 09.262 +30 46 25.03 V C57
2022-01-03 23:53:53 s 1 +116842.34 8 +333098.22 6590.0 C57
2022-01-04 00:03:53 S 07 04 08.033 +30 46 34.50 V C57
2022-01-04 00:03:53 s 1 +116543.72 9 +333441.93 820.0 C57
2022-01-04 00:23:53 S 07 04 04.728 +30 47 14.68 V C57
2022-01-04 00:23:53 s 1 +115945.33 0 +334126.15 5170.0 C57
2022-01-04 00:33:53 S 07 04 03.794 +30 47 31.45 V C57
2022-01-04 00:33:53 s 1 +115645.56 6 +334466.70 5340.0 C57
2022-01-04 00:43:53 S 07 04 02.342 +30 47 45.31 V C57
2022-01-04 00:43:53 s 1 +115345.41 7 +334806.18 4150.0 C57
2022-01-04 00:53:53 S 07 04 00.854 +30 48 04.28 V C57
2022-01-04 00:53:53 s 1 +115044.89 1 +335144.60 1610.0 C57
2022-01-04 01:03:53 S 07 03 59.206 +30 48 17.10 V C57
2022-01-04 01:03:53 s 1 +114743.99 6 +335482.00 7780.0 C57
2022-01-04 01:13:53 S 07 03 57.804 +30 48 36.86 V C57
2022-01-04 01:13:53 s 1 +114442.72 3 +335818.32 2590.0 C57