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 05:13:53 s 1 -129932.95 8 +313350.57 4550.0 C57
2021-12-26 05:23:53 S 07 35 08.822 +23 38 59.50 V C57
2021-12-26 05:23:53 s 1 -130212.95 8 +312959.64 6950.0 C57
2021-12-26 05:33:53 S 07 35 07.344 +23 39 19.48 V C57
2021-12-26 05:33:53 s 1 -130492.49 9 +312567.61 7100.0 C57
2021-12-26 05:43:53 S 07 35 05.681 +23 39 46.12 V C57
2021-12-26 05:43:53 s 1 -130771.57 9 +312174.49 4990.0 C57
2021-12-26 05:53:53 S 07 35 03.972 +23 40 07.68 V C57
2021-12-26 05:53:53 s 1 -131050.19 7 +311780.27 600.0 C57
2021-12-26 06:03:53 S 07 35 02.167 +23 40 33.13 V C57
2021-12-26 06:03:53 s 1 -131328.35 1 +311384.96 3930.0 C57
2021-12-26 06:13:53 S 07 35 00.720 +23 40 55.52 V C57
2021-12-26 06:13:53 s 1 -131606.03 8 +310988.55 4970.0 C57
2021-12-26 06:33:53 S 07 34 57.202 +23 41 42.36 V C57
2021-12-26 06:33:53 s 1 -132160.00 5 +310192.44 150.0 C57
2021-12-26 06:43:53 S 07 34 55.332 +23 42 06.52 V C57
2021-12-26 06:43:53 s 1 -132436.28 2 +309792.74 4260.0 C57
2021-12-26 06:53:53 S 07 34 54.108 +23 42 29.74 V C57
2021-12-26 06:53:53 s 1 -132712.08 4 +309391.94 6060.0 C57
2021-12-26 07:03:53 S 07 34 52.243 +23 42 53.21 V C57
2021-12-26 07:03:53 s 1 -132987.41 0 +308990.04 5520.0 C57
2021-12-26 07:13:53 S 07 34 50.309 +23 43 21.50 V C57
2021-12-26 07:13:53 s 1 -133262.25 8 +308587.04 2630.0 C57
2021-12-26 07:23:53 S 07 34 49.109 +23 43 40.44 V C57
2021-12-26 07:23:53 s 1 -133536.62 7 +308182.93 7400.0 C57
2021-12-26 07:33:53 S 07 34 47.069 +23 44 04.24 V C57
2021-12-26 07:33:53 s 1 -133810.51 3 +307777.73 9800.0 C57
2021-12-26 07:43:53 S 07 34 45.487 +23 44 27.56 V C57
2021-12-26 07:43:53 s 1 -134083.91 5 +307371.42 9840.0 C57
2021-12-26 08:03:53 S 07 34 42.096 +23 45 15.98 V C57
2021-12-26 08:03:53 s 1 -134629.25 9 +306555.49 2770.0 C57
2021-12-26 08:13:53 S 07 34 40.296 +23 45 36.54 V C57
2021-12-26 08:13:53 s 1 -134901.19 8 +306145.87 5650.0 C57
2021-12-26 08:23:53 S 07 34 38.501 +23 46 04.48 V C57
2021-12-26 08:23:53 s 1 -135172.64 4 +305735.14 6130.0 C57
2021-12-26 08:33:53 S 07 34 37.025 +23 46 25.03 V C57
2021-12-26 08:33:53 s 1 -135443.59 6 +305323.30 4190.0 C57
2021-12-26 08:43:53 S 07 34 34.884 +23 46 51.06 V C57
2021-12-26 08:43:53 s 1 -135714.05 2 +304910.35 9820.0 C57
2021-12-26 08:53:53 S 07 34 33.677 +23 47 16.66 V C57
2021-12-26 08:53:53 s 1 -135984.01 0 +304496.30 3030.0 C57
2021-12-26 09:03:53 S 07 34 31.531 +23 47 38.65 V C57
2021-12-26 09:03:53 s 1 -136253.46 8 +304081.13 3800.0 C57
2021-12-26 09:13:53 S 07 34 29.962 +23 48 03.20 V C57
2021-12-26 09:13:53 s 1 -136522.42 4 +303664.85 2110.0 C57
2021-12-26 09:23:53 S 07 34 28.618 +23 48 22.75 V C57
2021-12-26 09:23:53 s 1 -136790.87 5 +303247.46 7970.0 C57
2021-12-26 09:33:53 S 07 34 26.714 +23 48 47.56 V C57
2021-12-26 09:33:53 s 1 -137058.82 0 +302828.96 1360.0 C57
2021-12-26 09:43:53 S 07 34 25.260 +23 49 09.95 V C57