Asteroids

2014AF16 help

Last update: 2026-01-06 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.928

Aphelion (Q)

2.657

Eccentricity (e)

0.482

Inclination (i)

3.1

deg

Orbit period (P)

876.6

Earth MOID

0.00006

U parameter

0.0

Next Earth close approach

Date

2057-03-19

Nominal distance (from Earth center)

0.051

7629594

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.2

mag

Diameter

25 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-01-03

Observatory

Catalina Sky Survey

ORBIT VISUALISATION TOOLS

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.792572

1-sigma variation

5.440E-10

Unit

Eccentricity (e)

Value

0.482188

1-sigma variation

2.936E-8

Unit

Inclination (i)

Value

3.0903

1-sigma variation

5.282E-6

Unit

Long. of Ascending Node (Ω)

Value

287.7728

1-sigma variation

1.289E-5

Unit

Arg. of Perihelion (ω)

Value

214.2176

1-sigma variation

2.014E-5

Unit

Mean Anomaly (M)

Value

329.79158

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.928214

1-sigma variation

Unit

Aphelion distance

Value

2.656929

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.271023

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.000226

1-sigma variation

Unit

MOID

Value

0.000060

1-sigma variation

Unit

Orbit Period

Value

876.6237

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.95961E-19	9.48009E-18	6.24055E-16	1.15852E-15	5.49743E-15	-2.12863E-15
e	9.48009E-18	8.61983E-16	3.22282E-14	1.28886E-14	4.57083E-13	-1.35279E-13
i	6.24055E-16	3.22282E-14	2.78943E-11	-3.12763E-11	5.33686E-11	-6.78153E-12
Ω	1.15852E-15	1.28886E-14	-3.12763E-11	1.66207E-10	-1.43563E-10	-7.65931E-12
ω	5.49743E-15	4.57083E-13	5.33686E-11	-1.43563E-10	4.05630E-10	-7.65034E-11
M	-2.12863E-15	-1.35279E-13	-6.78153E-12	-7.65931E-12	-7.65034E-11	2.51800E-11

Date of computation: 2026-01-06 13:01 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

25.155

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

25 - 60*

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 Aegis	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

4381

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.463626

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-01-03.36262

Unit

Source

[2]

Last Observation

Value

2025-12-31.900588

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

94 (0)

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

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

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

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

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 2014AF16 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1956-04-01 13:35	< 1 min	0.1079800	0.1079777	0.0000008
EARTH	1985-02-13 23:31	< 1 min	0.0693260	0.0693256	0.0000001
EARTH	2014-01-05 05:09	< 1 s	0.0159557	0.0159556	0.0000000
EARTH	2026-01-04 16:05	< 1 s	0.0205324	0.0205323	0.0000000
EARTH	2057-03-19 18:25	< 1 min	0.0510007	0.0510004	0.0000001
EARTH	2069-01-01 00:42	< 1 min	0.0454865	0.0454809	0.0000019
EARTH	2088-04-07 00:41	< 1 min	0.1492488	0.1492284	0.0000068
EARTH	2100-01-04 01:03	2.0	0.0317336	0.0317051	0.0000095
EARTH	2119-01-28 06:54	44.4	0.0520797	0.0519380	0.0000472

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
339.37120362	6.34695166	0.00006022	MINIMUM
21.82982351	75.82671243	0.05086712	MINIMUM
3.97702478	46.59693203	0.06774435	SADDLE
180.53923725	221.20975404	1.64381607	SADDLE
1.39788602	222.27724792	1.94174308	SADDLE
180.40170232	41.12166828	3.64430071	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out