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
2021-12-29 04:43:53 s 1 -161463.11 1 +32867.386 1380.0 C57
2021-12-29 04:53:53 S 07 23 24.341 +26 16 49.01 V C57
2021-12-29 04:53:53 s 1 -161111.06 3 +31939.856 8330.0 C57
2021-12-29 05:03:53 S 07 23 22.630 +26 17 09.92 V C57
2021-12-29 05:03:53 s 1 -160754.96 1 +31011.517 7520.0 C57
2021-12-29 05:13:53 S 07 23 20.981 +26 17 29.98 V C57
2021-12-29 05:13:53 s 1 -160394.77 4 +30082.387 8830.0 C57
2021-12-29 05:23:53 S 07 23 19.442 +26 17 50.71 V C57
2021-12-29 05:23:53 s 1 -160030.47 4 +29152.481 2130.0 C57
2021-12-29 05:33:53 S 07 23 18.096 +26 18 10.73 V C57
2021-12-29 05:33:53 s 1 -159662.03 1 +28221.817 7300.0 C57
2021-12-29 05:43:53 S 07 23 16.692 +26 18 33.41 V C57
2021-12-29 05:43:53 s 1 -159289.41 6 +27290.410 4220.0 C57
2021-12-29 05:53:53 S 07 23 14.863 +26 18 51.44 V C57
2021-12-29 05:53:53 s 1 -158912.59 8 +26358.279 2760.0 C57
2021-12-29 06:03:53 S 07 23 13.409 +26 19 14.12 V C57
2021-12-29 06:03:53 s 1 -158531.54 8 +25425.442 2800.0 C57
2021-12-29 06:13:53 S 07 23 11.734 +26 19 34.75 V C57
2021-12-29 06:13:53 s 1 -158146.23 5 +24491.917 4210.0 C57
2021-12-29 06:23:53 S 07 23 09.979 +26 19 54.80 V C57
2021-12-29 06:23:53 s 1 -157756.62 8 +23557.722 6860.0 C57
2021-12-29 06:43:53 S 07 23 06.818 +26 20 32.17 V C57
2021-12-29 06:43:53 s 1 -156964.40 9 +21687.402 5390.0 C57
2021-12-29 07:03:53 S 07 23 04.399 +26 21 13.18 V C57
2021-12-29 07:03:53 s 1 -156154.64 1 +19814.638 7340.0 C57
2021-12-29 07:13:53 S 07 23 02.738 +26 21 38.95 V C57
2021-12-29 07:13:53 s 1 -155743.09 7 +18877.392 4270.0 C57
2021-12-29 07:23:53 S 07 23 01.404 +26 22 01.16 V C57
2021-12-29 07:23:53 s 1 -155327.07 0 +17939.597 1660.0 C57
2021-12-29 07:33:53 S 07 22 59.666 +26 22 13.91 V C57
2021-12-29 07:33:53 s 1 -154906.52 7 +17001.276 9380.0 C57
2021-12-29 07:43:53 S 07 22 57.811 +26 22 36.34 V C57
2021-12-29 07:43:53 s 1 -154481.43 6 +16062.451 7290.0 C57
2021-12-29 07:53:53 S 07 22 56.702 +26 22 59.56 V C57
2021-12-29 07:53:53 s 1 -154051.76 5 +15123.145 5260.0 C57
2021-12-29 08:03:53 S 07 22 55.106 +26 23 15.36 V C57
2021-12-29 08:03:53 s 1 -153617.47 9 +14183.381 3140.0 C57
2021-12-29 08:13:53 S 07 22 53.527 +26 23 40.16 V C57
2021-12-29 08:13:53 s 1 -153178.54 5 +13243.183 810.0 C57
2021-12-29 08:23:53 S 07 22 52.015 +26 24 03.49 V C57
2021-12-29 08:23:53 s 1 -152734.93 0 +12302.575 8120.0 C57
2021-12-29 08:43:53 S 07 22 49.056 +26 24 43.85 V C57
2021-12-29 08:43:53 s 1 -151833.52 1 +10420.230 1120.0 C57
2021-12-29 08:53:53 S 07 22 47.448 +26 25 06.49 V C57
2021-12-29 08:53:53 s 1 -151375.65 8 + 9478.545 6520.0 C57
2021-12-29 09:03:53 S 07 22 46.039 +26 25 25.46 V C57
2021-12-29 09:03:53 s 1 -150912.97 7 + 8536.552 1010.0 C57
2021-12-29 09:13:53 S 07 22 44.328 +26 25 44.90 V C57
2021-12-29 09:13:53 s 1 -150445.44 2 + 7594.280 4430.0 C57
2021-12-29 09:23:53 S 07 22 42.802 +26 26 02.58 V C57