Asteroids

2016DK1 help

Last update: 2023-12-08 16:01 UTC

Orbital Properties

Epoch

60200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.912

Aphelion (Q)

1.813

Eccentricity (e)

0.331

Inclination (i)

0.8

deg

Orbit period (P)

581.0

Earth MOID

0.00170

U parameter

7.2

Next Earth close approach

Date

2051-02-20

Nominal distance (from Earth center)

0.01396

2088246

Maximum Brightness

20.4

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

12*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-02-27

Observatory

Mt. Lemmon Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.362712

1-sigma variation

0.000321

Unit

Eccentricity (e)

Value

0.330759

1-sigma variation

0.000182

Unit

Inclination (i)

Value

0.7674

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

336.3143

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

125.7938

1-sigma variation

0.0007

Unit

Mean Anomaly (M)

Value

295.32309

1-sigma variation

0.61408

Unit

Perihelion distance

Value

0.911982

1-sigma variation

Unit

Aphelion distance

Value

1.813442

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.494553

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.025681

1-sigma variation

Unit

MOID

Value

0.001705

1-sigma variation

Unit

Orbit Period

Value

581.0379

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.02752E-7	5.82264E-8	1.23004E-7	-1.37237E-7	-2.01398E-7	-1.96844E-4
e	5.82264E-8	3.29957E-8	6.97036E-8	-7.77601E-8	-1.14257E-7	-1.11546E-4
i	1.23004E-7	6.97036E-8	1.47298E-7	-1.64004E-7	-2.41607E-7	-2.35642E-4
Ω	-1.37237E-7	-7.77601E-8	-1.64004E-7	1.86573E-7	2.63774E-7	2.62908E-4
ω	-2.01398E-7	-1.14257E-7	-2.41607E-7	2.63774E-7	4.33175E-7	3.85811E-4
M	-1.96844E-4	-1.11546E-4	-2.35642E-4	2.62908E-4	3.85811E-4	3.77099E-1

Date of computation: 2023-12-05 12:52 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

27.379

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

12*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

2823

Unit

Source

[1]

Normalized RMS of residuals

Value

0.554224

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-02-27.16982

Unit

Source

[2]

Last Observation

Value

2016-03-16.495854

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

74 (3)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close approaches for 2016DK1 from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1955-12-27 16:55	> 1 w	0.0730387	0.0688318	0.0014129
EARTH	1967-02-27 00:14	> 1 d	0.0733000	0.0013221	0.0582480
EARTH	1985-11-24 12:49	> 1 w	0.0328068	0.0129332	0.0184518
EARTH	2004-11-08 17:27	> 1 d	0.0585618	0.0128664	0.0237134
EARTH	2016-02-20 17:16	< 1 min	0.0157944	0.0157692	0.0000084
EARTH	2023-11-19 02:22	> 1 d	0.0133313	0.0130005	0.0034886
EARTH	2051-02-20 08:17	> 1 mo	0.0139591	0.0000307	1.1254941
EARTH	2059-03-03 09:51	> 1 mo	0.1194704	0.0008150	29.1072449
MARS	2091-07-29 18:39	> 1 mo	0.0181504	0.0174745	15.3124874
EARTH	2095-11-06 16:53	> 1 mo	0.1220435	0.0132064	101.5260272
EARTH	2103-11-20 19:22	> 1 mo	0.0134979	0.0130119	26.1530413
EARTH	2111-11-16 07:18	> 1 mo	0.0357192	0.0130924	1993.4583041

Download as:

2016DK1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2043-02-18.095	67298.095	-0.284	0.000	0.15 ± 0.001	1.51E4	9.68E-5	3.83E-6	-4.94
2047-02-17.897	68758.897	-0.285	0.000	0.08 ± 0.155	3.48E8	4.19E-9	1.65E-10	-9.38
2051-02-17.829	70219.829	-0.012	0.000	1.58 ± 0.001	2.59E4	3.32E-5	1.31E-6	-5.54
2051-02-18.066	70220.066	-0.269	0.000	1.44 ± 0.001	4.90E5	2.87E-6	1.13E-7	-6.60
2054-02-17.788	71315.788	-0.294	0.000	0.25 ± 0.003	2.70E6	5.35E-7	2.12E-8	-7.38
2060-02-18.338	73507.338	-0.288	0.000	0.76 ± 0.006	1.61E7	8.34E-8	3.30E-9	-8.26
2062-02-17.587	74237.587	-0.018	0.000	0.75 ± 0.001	3.05E6	4.64E-7	1.83E-8	-7.54
2062-02-17.827	74237.827	-0.269	0.000	1.34 ± 0.045	1.06E8	1.00E-8	3.97E-10	-9.20
2062-02-18.068	74238.068	-0.333	0.000	1.10 ± 0.001	6.14E4	1.95E-5	7.71E-7	-5.91
2062-02-18.143	74238.143	-0.438	0.000	0.93 ± 0.001	1.36E4	8.89E-5	3.52E-6	-5.25
2064-02-18.361	74968.361	-0.437	0.000	1.71 ± 0.000	6.77E7	9.32E-9	3.68E-10	-9.25
2070-02-17.615	77159.615	-0.028	0.000	0.65 ± 0.001	6.56E5	2.19E-6	8.65E-8	-6.94
2070-02-17.900	77159.900	-0.609	0.000	1.50 ± 0.001	7.78E5	1.01E-6	3.99E-8	-7.28
2070-02-17.974	77159.974	-0.338	0.000	1.86 ± 0.001	1.65E6	7.52E-7	2.98E-8	-7.40
2070-02-18.018	77160.018	-0.418	0.000	0.67 ± 0.001	4.65E5	2.81E-6	1.11E-7	-6.83
2073-02-17.746	78255.746	-0.589	3.062	1.91 ± 0.001	1.45E6	1.48E-11	5.85E-13	-12.14
2073-02-17.848	78255.848	-0.456	0.000	1.46 ± 0.001	6.88E5	1.87E-6	7.38E-8	-7.04
2078-02-17.606	80081.606	0.008	0.000	0.97 ± 0.011	2.46E7	5.34E-8	2.11E-9	-8.62
2078-02-18.114	80082.114	-0.440	0.000	1.15 ± 0.000	9.50E7	1.46E-8	5.76E-10	-9.18
2086-02-17.930	83003.930	0.147	0.000	1.13 ± 0.001	4.05E4	3.03E-5	1.20E-6	-5.92
2089-02-17.494	84099.494	-0.121	0.000	1.91 ± 0.001	9.63E5	9.21E-8	3.64E-9	-8.46
2094-02-17.878	85925.878	0.138	0.000	0.21 ± 0.004	2.09E5	7.20E-6	2.85E-7	-6.60
2097-02-17.648	87021.648	0.152	0.000	1.01 ± 0.001	3.25E6	4.01E-7	1.59E-8	-7.87
2097-02-17.766	87021.766	-3.483	1.552	1.91 ± 0.001	5.85E4	7.66E-11	3.01E-12	-11.59
2101-02-19.424	88483.424	-2.158	0.000	0.73 ± 0.001	7.48E5	1.84E-7	7.26E-9	-8.23
2104-02-19.464	89578.464	0.232	0.000	1.13 ± 0.000	2.47E6	5.61E-7	2.22E-8	-7.76
2104-02-19.694	89578.694	0.997	0.000	1.54 ± 0.005	2.12E5	4.16E-6	1.65E-7	-6.89
2105-02-18.658	89943.658	0.161	0.000	1.45 ± 0.001	5.65E5	1.73E-6	6.85E-8	-7.28
2106-02-20.248	90310.248	-0.872	0.000	1.91 ± 0.003	2.62E6	2.16E-8	8.52E-10	-9.19
2111-02-18.818	92134.818	0.203	0.000	1.05 ± 0.001	3.06E6	4.08E-7	1.61E-8	-7.94
2112-02-19.311	92500.311	0.253	0.000	0.19 ± 0.001	5.87E6	2.51E-7	9.90E-9	-8.15
2112-02-19.334	92500.334	0.232	0.000	0.62 ± 0.008	1.56E7	9.00E-8	3.56E-9	-8.60
2112-02-20.387	92501.387	-0.921	0.000	0.67 ± 0.003	8.70E5	1.08E-6	4.24E-8	-7.52
2112-02-20.567	92501.567	-0.888	0.000	0.31 ± 0.007	5.43E5	1.90E-6	7.47E-8	-7.28
2113-02-18.991	92865.991	1.883	0.000	1.55 ± 0.002	3.41E4	4.65E-6	1.84E-7	-6.89
2113-02-19.228	92866.228	-2.715	0.000	1.67 ± 0.002	2.22E5	8.78E-8	3.45E-9	-8.62
2113-02-19.825	92866.825	-0.882	0.000	1.50 ± 0.000	2.14E7	4.55E-8	1.80E-9	-8.90
2117-02-20.059	94328.059	-1.124	0.000	0.65 ± 0.006	5.86E6	1.30E-7	5.14E-9	-8.46
2118-02-18.662	94691.662	0.274	0.000	1.84 ± 0.001	1.04E5	4.00E-6	1.58E-7	-6.98
2118-02-18.704	94691.704	0.287	0.000	0.93 ± 0.001	6.27E4	2.07E-5	8.17E-7	-6.27
2118-02-19.744	94692.744	-2.158	0.000	0.55 ± 0.008	3.52E7	4.05E-9	1.59E-10	-9.98
2119-02-19.102	95057.102	0.427	0.000	1.20 ± 0.003	5.13E6	2.43E-7	9.63E-9	-8.20
2120-02-19.156	95422.156	0.236	0.000	1.57 ± 0.001	5.38E6	2.47E-7	9.77E-9	-8.20
2120-02-19.171	95422.171	0.480	0.000	1.36 ± 0.000	2.82E7	3.41E-8	1.35E-9	-9.06
2120-02-19.596	95422.596	-2.027	0.000	1.05 ± 0.000	1.14E6	1.63E-7	6.42E-9	-8.38


Based on 74 optical observations (of which 3 are rejected as outliers) from 2016/02/27.170 to 2016/03/16.496.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.91 and 1.91 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20220711 182921.569 UTC.

Download this part as:

Download Impactor Table as: