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
2021-12-20 04:43:54 S 07 59 32.222 +17 14 14.75 V C57
2021-12-20 04:43:54 s 1 +151429.09 0 +275528.60 2470.0 C57
2021-12-20 04:53:54 S 07 59 30.583 +17 14 48.12 V C57
2021-12-20 04:53:54 s 1 +151201.41 5 +276021.78 9460.0 C57
2021-12-20 05:03:54 S 07 59 29.023 +17 15 14.22 V C57
2021-12-20 05:03:54 s 1 +150973.06 4 +276513.74 3930.0 C57
2021-12-20 05:33:54 S 07 59 24.336 +17 16 49.30 V C57
2021-12-20 05:33:54 s 1 +150283.97 9 +277982.34 2270.0 C57
2021-12-20 05:43:54 S 07 59 22.426 +17 17 13.92 V C57
2021-12-20 05:43:54 s 1 +150052.95 0 +278469.46 6750.0 C57
2021-12-20 05:53:54 S 07 59 20.856 +17 17 39.05 V C57
2021-12-20 05:53:54 s 1 +149821.25 8 +278955.36 8750.0 C57
2021-12-20 06:03:54 S 07 59 19.301 +17 18 07.24 V C57
2021-12-20 06:03:54 s 1 +149588.90 7 +279440.06 8300.0 C57
2021-12-20 06:13:54 S 07 59 17.558 +17 18 39.56 V C57
2021-12-20 06:13:54 s 1 +149355.89 9 +279923.55 5400.0 C57
2021-12-20 07:03:54 S 07 59 09.646 +17 21 03.60 V C57
2021-12-20 07:03:54 s 1 +148181.10 3 +282322.94 4580.0 C57
2021-12-20 07:13:54 S 07 59 08.402 +17 21 35.32 V C57
2021-12-20 07:13:54 s 1 +147944.21 2 +282799.22 7230.0 C57
2021-12-20 07:23:54 S 07 59 06.329 +17 22 02.53 V C57
2021-12-20 07:23:54 s 1 +147706.68 3 +283274.30 7510.0 C57
2021-12-20 07:33:54 S 07 59 04.834 +17 22 30.86 V C57
2021-12-20 07:33:54 s 1 +147468.52 0 +283748.18 5430.0 C57
2021-12-20 07:43:54 S 07 59 02.894 +17 23 02.08 V C57
2021-12-20 07:43:54 s 1 +147229.72 4 +284220.87 1000.0 C57
2021-12-20 07:53:54 S 07 59 01.613 +17 23 29.62 V C57
2021-12-20 07:53:54 s 1 +146990.29 8 +284692.36 4240.0 C57
2021-12-20 08:03:54 S 07 59 00.012 +17 23 57.37 V C57
2021-12-20 08:03:54 s 1 +146750.24 5 +285162.65 5140.0 C57
2021-12-20 08:13:54 S 07 58 58.296 +17 24 29.48 V C57
2021-12-20 08:13:54 s 1 +146509.56 8 +285631.76 3740.0 C57
2021-12-20 08:23:54 S 07 58 56.501 +17 24 57.60 V C57
2021-12-20 08:23:54 s 1 +146268.26 9 +286099.67 20.0 C57
2021-12-20 08:33:54 S 07 58 54.893 +17 25 31.94 V C57
2021-12-20 08:33:54 s 1 +146026.35 0 +286566.40 4010.0 C57
2021-12-20 08:43:54 S 07 58 53.184 +17 26 01.57 V C57
2021-12-20 08:43:54 s 1 +145783.81 6 +287031.93 5720.0 C57
2021-12-20 08:53:54 S 07 58 51.775 +17 26 24.14 V C57
2021-12-20 08:53:54 s 1 +145540.66 7 +287496.28 5150.0 C57
2021-12-20 09:03:54 S 07 58 49.812 +17 26 52.33 V C57
2021-12-20 09:03:54 s 1 +145296.90 6 +287959.44 2310.0 C57
2021-12-20 09:13:54 S 07 58 48.446 +17 27 25.81 V C57
2021-12-20 09:13:54 s 1 +145052.53 7 +288421.42 7230.0 C57
2021-12-20 09:23:54 S 07 58 46.898 +17 27 48.74 V C57
2021-12-20 09:23:54 s 1 +144807.56 2 +288882.21 9900.0 C57
2021-12-20 09:33:54 S 07 58 45.326 +17 28 20.10 V C57
2021-12-20 09:33:54 s 1 +144561.98 2 +289341.82 330.0 C57
2021-12-20 09:43:54 S 07 58 43.750 +17 28 52.72 V C57
2021-12-20 09:43:54 s 1 +144315.80 1 +289800.24 8540.0 C57