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
2021-12-25 15:03:53 s 1 -104642.03 5 +342665.13 9070.0 C57
2021-12-25 15:13:53 S 07 37 33.451 +23 05 05.82 V C57
2021-12-25 15:13:53 s 1 -104954.77 1 +342364.42 5450.0 C57
2021-12-25 15:23:53 S 07 37 31.658 +23 05 30.84 V C57
2021-12-25 15:23:53 s 1 -105267.18 8 +342062.68 200.0 C57
2021-12-25 15:33:53 S 07 37 29.909 +23 05 55.75 V C57
2021-12-25 15:33:53 s 1 -105579.28 3 +341759.90 3290.0 C57
2021-12-25 15:53:53 S 07 37 26.693 +23 06 39.53 V C57
2021-12-25 15:53:53 s 1 -106202.50 4 +341151.25 4530.0 C57
2021-12-25 16:03:53 S 07 37 24.799 +23 07 04.69 V C57
2021-12-25 16:03:53 s 1 -106513.62 6 +340845.36 2650.0 C57
2021-12-25 16:23:53 S 07 37 21.684 +23 07 52.00 V C57
2021-12-25 16:23:53 s 1 -107134.88 9 +340230.48 3880.0 C57
2021-12-25 16:33:53 S 07 37 19.656 +23 08 18.46 V C57
2021-12-25 16:33:53 s 1 -107445.02 7 +339921.49 6970.0 C57
2021-12-25 16:43:53 S 07 37 18.206 +23 08 42.40 V C57
2021-12-25 16:43:53 s 1 -107754.83 3 +339611.45 8370.0 C57
2021-12-25 16:53:53 S 07 37 16.181 +23 09 06.88 V C57
2021-12-25 16:53:53 s 1 -108064.30 6 +339300.38 8080.0 C57
2021-12-25 17:03:53 S 07 37 14.779 +23 09 28.91 V C57
2021-12-25 17:03:53 s 1 -108373.44 5 +338988.26 6080.0 C57
2021-12-25 17:13:53 S 07 37 12.989 +23 09 55.15 V C57
2021-12-25 17:13:53 s 1 -108682.24 9 +338675.11 2370.0 C57
2021-12-25 17:23:53 S 07 37 11.275 +23 10 16.90 V C57
2021-12-25 17:23:53 s 1 -108990.71 5 +338360.91 6950.0 C57
2021-12-25 17:33:53 S 07 37 09.814 +23 10 40.62 V C57
2021-12-25 17:33:53 s 1 -109298.84 3 +338045.67 9800.0 C57
2021-12-25 17:43:53 S 07 37 07.810 +23 11 08.92 V C57
2021-12-25 17:43:53 s 1 -109606.63 0 +337729.39 920.0 C57
2021-12-25 17:53:53 S 07 37 06.197 +23 11 35.41 V C57
2021-12-25 17:53:53 s 1 -109914.07 6 +337412.07 310.0 C57
2021-12-25 18:03:53 S 07 37 04.450 +23 11 59.17 V C57
2021-12-25 18:03:53 s 1 -110221.17 9 +337093.70 7960.0 C57
2021-12-25 18:13:53 S 07 37 02.669 +23 12 16.42 V C57
2021-12-25 18:13:53 s 1 -110527.93 7 +336774.29 3860.0 C57
2021-12-25 18:23:53 S 07 37 00.938 +23 12 43.70 V C57
2021-12-25 18:23:53 s 1 -110834.35 0 +336453.83 8000.0 C57
2021-12-25 18:33:53 S 07 36 59.314 +23 13 04.91 V C57
2021-12-25 18:33:53 s 1 -111140.41 4 +336132.33 380.0 C57
2021-12-25 18:43:53 S 07 36 57.451 +23 13 33.35 V C57
2021-12-25 18:43:53 s 1 -111446.13 0 +335809.78 990.0 C57
2021-12-25 18:53:53 S 07 36 56.076 +23 13 57.43 V C57
2021-12-25 18:53:53 s 1 -111751.49 5 +335486.18 9820.0 C57
2021-12-25 19:03:53 S 07 36 54.384 +23 14 18.20 V C57
2021-12-25 19:03:53 s 1 -112056.50 8 +335161.54 6870.0 C57
2021-12-25 19:13:53 S 07 36 52.433 +23 14 40.85 V C57
2021-12-25 19:13:53 s 1 -112361.16 7 +334835.85 2140.0 C57
2021-12-25 19:23:53 S 07 36 50.815 +23 15 04.25 V C57
2021-12-25 19:23:53 s 1 -112665.47 1 +334509.11 5610.0 C57
2021-12-25 19:33:53 S 07 36 49.128 +23 15 33.91 V C57