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
2021-12-26 00:53:53 s 1 -122497.98 4 +323133.95 6880.0 C57
2021-12-26 01:03:53 S 07 35 53.093 +23 28 39.94 V C57
2021-12-26 01:03:53 s 1 -122789.26 8 +322771.15 5090.0 C57
2021-12-26 01:13:53 S 07 35 51.554 +23 29 09.17 V C57
2021-12-26 01:13:53 s 1 -123080.14 1 +322407.28 1260.0 C57
2021-12-26 01:23:53 S 07 35 49.630 +23 29 31.13 V C57
2021-12-26 01:23:53 s 1 -123370.60 0 +322042.33 5370.0 C57
2021-12-26 01:33:53 S 07 35 48.070 +23 29 52.33 V C57
2021-12-26 01:33:53 s 1 -123660.64 4 +321676.31 7420.0 C57
2021-12-26 01:43:53 S 07 35 46.339 +23 30 16.24 V C57
2021-12-26 01:43:53 s 1 -123950.27 1 +321309.22 7390.0 C57
2021-12-26 01:53:53 S 07 35 44.498 +23 30 42.48 V C57
2021-12-26 01:53:53 s 1 -124239.47 9 +320941.05 5290.0 C57
2021-12-26 02:13:53 S 07 35 41.030 +23 31 29.39 V C57
2021-12-26 02:13:53 s 1 -124816.63 2 +320201.48 4820.0 C57
2021-12-26 02:23:53 S 07 35 39.398 +23 31 49.08 V C57
2021-12-26 02:23:53 s 1 -125104.57 3 +319830.08 6430.0 C57
2021-12-26 02:33:53 S 07 35 37.860 +23 32 14.57 V C57
2021-12-26 02:33:53 s 1 -125392.08 8 +319457.59 5940.0 C57
2021-12-26 02:43:53 S 07 35 36.290 +23 32 38.47 V C57
2021-12-26 02:43:53 s 1 -125679.17 6 +319084.03 3320.0 C57
2021-12-26 02:53:53 S 07 35 34.438 +23 33 04.82 V C57
2021-12-26 02:53:53 s 1 -125965.83 5 +318709.39 8590.0 C57
2021-12-26 03:03:53 S 07 35 32.777 +23 33 27.47 V C57
2021-12-26 03:03:53 s 1 -126252.06 2 +318333.67 1710.0 C57
2021-12-26 03:13:53 S 07 35 31.262 +23 33 51.08 V C57
2021-12-26 03:13:53 s 1 -126537.85 6 +317956.87 2700.0 C57
2021-12-26 03:23:53 S 07 35 29.352 +23 34 18.05 V C57
2021-12-26 03:23:53 s 1 -126823.21 6 +317578.98 1540.0 C57
2021-12-26 03:33:53 S 07 35 27.790 +23 34 42.28 V C57
2021-12-26 03:33:53 s 1 -127108.13 9 +317200.02 8220.0 C57
2021-12-26 03:43:53 S 07 35 25.889 +23 35 03.12 V C57
2021-12-26 03:43:53 s 1 -127392.62 4 +316819.96 2730.0 C57
2021-12-26 03:53:53 S 07 35 24.173 +23 35 27.74 V C57
2021-12-26 03:53:53 s 1 -127676.66 8 +316438.82 5070.0 C57
2021-12-26 04:03:53 S 07 35 22.630 +23 35 54.02 V C57
2021-12-26 04:03:53 s 1 -127960.27 1 +316056.60 5230.0 C57
2021-12-26 04:13:53 S 07 35 21.094 +23 36 13.82 V C57
2021-12-26 04:13:53 s 1 -128243.43 0 +315673.29 3190.0 C57
2021-12-26 04:23:53 S 07 35 19.188 +23 36 37.66 V C57
2021-12-26 04:23:53 s 1 -128526.14 3 +315288.89 8960.0 C57
2021-12-26 04:33:53 S 07 35 17.395 +23 37 00.62 V C57
2021-12-26 04:33:53 s 1 -128808.40 8 +314903.41 2530.0 C57
2021-12-26 04:43:53 S 07 35 15.840 +23 37 24.71 V C57
2021-12-26 04:43:53 s 1 -129090.22 4 +314516.84 3870.0 C57
2021-12-26 04:53:53 S 07 35 14.088 +23 37 50.16 V C57
2021-12-26 04:53:53 s 1 -129371.58 9 +314129.17 3000.0 C57
2021-12-26 05:03:53 S 07 35 12.454 +23 38 12.12 V C57
2021-12-26 05:03:53 s 1 -129652.50 1 +313740.42 9890.0 C57
2021-12-26 05:13:53 S 07 35 10.738 +23 38 34.80 V C57