Asteroids

612342 2002FC help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.936

Aphelion (Q)

4.688

Eccentricity (e)

0.667

Inclination (i)

6.7

deg

Orbit period (P)

1722.5

Earth MOID

0.03404

U parameter

0.0

Next Earth close approach

Date

2040-05-13

Nominal distance (from Earth center)

0.06027

9015829

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.1

mag

Diameter

400 - 900*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2002-03-16

Observatory

Lowell Observatory-LONEOS

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

2.812188

1-sigma variation

2.456E-8

Unit

Eccentricity (e)

Value

0.667145

1-sigma variation

2.065E-8

Unit

Inclination (i)

Value

6.7271

1-sigma variation

5.348E-6

Unit

Long. of Ascending Node (Ω)

Value

49.8131

1-sigma variation

3.586E-5

Unit

Arg. of Perihelion (ω)

Value

195.7828

1-sigma variation

3.053E-5

Unit

Mean Anomaly (M)

Value

332.54426

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.936052

1-sigma variation

Unit

Aphelion distance

Value

4.688325

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

3.368162

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.061006

1-sigma variation

Unit

MOID

Value

0.034036

1-sigma variation

Unit

Orbit Period

Value

1722.5231

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.03016E-16	6.87517E-17	-1.26906E-14	4.05020E-13	-8.89440E-14	-2.46680E-13
e	6.87517E-17	4.26511E-16	-4.44244E-14	5.50400E-13	-4.82697E-13	-5.48994E-15
i	-1.26906E-14	-4.44244E-14	2.85996E-11	-1.59880E-11	3.91600E-12	4.02434E-13
Ω	4.05020E-13	5.50400E-13	-1.59880E-11	1.28601E-9	-1.02403E-9	-1.12991E-10
ω	-8.89440E-14	-4.82697E-13	3.91600E-12	-1.02403E-9	9.32176E-10	-6.25167E-12
M	-2.46680E-13	-5.48994E-15	4.02434E-13	-1.12991E-10	-6.25167E-12	1.45247E-10

Date of computation: 2025-09-10 00:30 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

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

19.061

Unit

mag

Source

[3]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[3]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[4]

Diameter

Value

400 - 900*

Unit

Source

[4]

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]	EARN	1.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	ESA Aegis	ESA orbit determination and impact monitoring system
[4]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

6973

Unit

Source

[1]

Unobserved

Value

1664

Unit

Source

[1]

Normalized RMS of residuals

Value

0.668266

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2002-03-16.23919

Unit

Source

[2]

Last Observation

Value

2021-04-18.184059

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

240 (1)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2002-05-24

Unit

Source

[3]

Last Observation

Value

2002-06-06

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

4 (0)

Unit

Source

[1]

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
[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 612342 2002FC from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1954-05-24 14:00	< 1 min	0.0479554	0.0479547	0.0000002
EARTH	1978-05-21 08:22	< 1 min	0.0403367	0.0403355	0.0000004
EARTH	2002-06-01 15:48	< 1 s	0.0659529	0.0659528	0.0000000
EARTH	2040-05-13 01:16	< 1 min	0.0602671	0.0602650	0.0000007
EARTH	2101-06-20 11:55	< 1 min	0.0980665	0.0980659	0.0000002

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
346.22376652	112.25675228	0.03314238	MINIMUM
11.03332700	167.28044091	0.08710724	MINIMUM
6.55118593	157.33808178	0.08774772	SADDLE
0.76685032	324.32752777	1.92348231	SADDLE
180.19140243	323.39875546	3.70714487	SADDLE
180.09302593	143.35829282	5.70594658	MAXIMUM

Download:

MOID Plots

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