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
2021-12-21 02:43:54 S 07 55 56.086 +18 17 55.97 V C57
2021-12-21 02:43:54 s 1 +116457.46 0 +330539.34 3270.0 C57
2021-12-21 02:53:54 S 07 55 54.461 +18 18 25.70 V C57
2021-12-21 02:53:54 s 1 +116161.01 3 +330881.41 9560.0 C57
2021-12-21 03:13:54 S 07 55 51.053 +18 19 23.41 V C57
2021-12-21 03:13:54 s 1 +115566.95 4 +331562.31 8030.0 C57
2021-12-21 03:23:54 S 07 55 49.267 +18 19 50.45 V C57
2021-12-21 03:23:54 s 1 +115269.34 3 +331901.14 230.0 C57
2021-12-21 03:33:54 S 07 55 47.722 +18 20 17.81 V C57
2021-12-21 03:33:54 s 1 +114971.34 8 +332238.89 1090.0 C57
2021-12-21 03:43:54 S 07 55 46.022 +18 20 50.03 V C57
2021-12-21 03:43:54 s 1 +114672.97 0 +332575.55 600.0 C57
2021-12-21 03:53:54 S 07 55 44.628 +18 21 16.78 V C57
2021-12-21 03:53:54 s 1 +114374.21 1 +332911.14 8770.0 C57
2021-12-21 04:03:54 S 07 55 43.200 +18 21 42.55 V C57
2021-12-21 04:03:54 s 1 +114075.07 1 +333245.64 5620.0 C57
2021-12-21 04:13:54 S 07 55 41.083 +18 22 16.00 V C57
2021-12-21 04:13:54 s 1 +113775.55 3 +333579.07 1140.0 C57
2021-12-21 04:33:54 S 07 55 37.987 +18 23 10.00 V C57
2021-12-21 04:33:54 s 1 +113175.39 0 +334242.70 8250.0 C57
2021-12-21 04:43:54 S 07 55 36.137 +18 23 38.29 V C57
2021-12-21 04:43:54 s 1 +112874.74 7 +334572.90 9850.0 C57
2021-12-21 05:03:54 S 07 55 33.065 +18 24 33.52 V C57
2021-12-21 05:03:54 s 1 +112272.34 8 +335230.08 9170.0 C57
2021-12-21 05:13:54 S 07 55 31.097 +18 25 06.49 V C57
2021-12-21 05:13:54 s 1 +111970.59 5 +335557.06 6890.0 C57
2021-12-21 05:23:54 S 07 55 29.465 +18 25 32.48 V C57
2021-12-21 05:23:54 s 1 +111668.47 5 +335882.97 3350.0 C57
2021-12-21 05:33:54 S 07 55 27.972 +18 25 58.55 V C57
2021-12-21 05:33:54 s 1 +111365.98 9 +336207.80 8530.0 C57
2021-12-21 05:43:54 S 07 55 26.246 +18 26 29.22 V C57
2021-12-21 05:43:54 s 1 +111063.13 9 +336531.57 2450.0 C57
2021-12-21 05:53:54 S 07 55 24.461 +18 26 58.99 V C57
2021-12-21 05:53:54 s 1 +110759.92 7 +336854.26 5110.0 C57
2021-12-21 06:03:54 S 07 55 22.822 +18 27 26.03 V C57
2021-12-21 06:03:54 s 1 +110456.35 4 +337175.88 6520.0 C57
2021-12-21 06:13:54 S 07 55 20.995 +18 27 56.09 V C57
2021-12-21 06:13:54 s 1 +110152.42 2 +337496.44 6680.0 C57
2021-12-21 06:23:54 S 07 55 19.670 +18 28 21.76 V C57
2021-12-21 06:23:54 s 1 +109848.13 2 +337815.92 5610.0 C57
2021-12-21 06:33:54 S 07 55 18.041 +18 28 50.12 V C57
2021-12-21 06:33:54 s 1 +109543.48 6 +338134.34 3300.0 C57
2021-12-21 06:43:54 S 07 55 16.229 +18 29 17.23 V C57
2021-12-21 06:43:54 s 1 +109238.48 5 +338451.70 9770.0 C57
2021-12-21 06:53:54 S 07 55 14.609 +18 29 46.10 V C57
2021-12-21 06:53:54 s 1 +108933.13 2 +338767.98 5010.0 C57
2021-12-21 07:03:54 S 07 55 12.756 +18 30 18.07 V C57
2021-12-21 07:03:54 s 1 +108627.42 7 +339083.20 9050.0 C57
2021-12-21 07:13:54 S 07 55 11.395 +18 30 45.58 V C57
2021-12-21 07:13:54 s 1 +108321.37 1 +339397.36 1870.0 C57