Asteroids

525477 2005FC3 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.810

Aphelion (Q)

3.136

Eccentricity (e)

0.590

Inclination (i)

9.9

deg

Orbit period (P)

1012.2

Earth MOID

0.07580

U parameter

0.0

Next Earth close approach

Date

2030-07-11

Nominal distance (from Earth center)

0.19329

28915888

Maximum Brightness

19.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.3

mag

Diameter

400 - 800*

Taxonomic type

Rotation period (T)

30.89

Discovery Information

Discovery Date

2005-03-17

Observatory

Mt. Lemmon 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

1.972869

1-sigma variation

2.954E-9

Unit

Eccentricity (e)

Value

0.589584

1-sigma variation

2.439E-8

Unit

Inclination (i)

Value

9.8638

1-sigma variation

8.197E-6

Unit

Long. of Ascending Node (Ω)

Value

157.8927

1-sigma variation

1.333E-5

Unit

Arg. of Perihelion (ω)

Value

88.4258

1-sigma variation

1.648E-5

Unit

Mean Anomaly (M)

Value

129.41119

1-sigma variation

3.840E-6

Unit

Perihelion distance

Value

0.809697

1-sigma variation

Unit

Aphelion distance

Value

3.136041

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.275512

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.298033

1-sigma variation

Unit

MOID

Value

0.075802

1-sigma variation

Unit

Orbit Period

Value

1012.1521

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.72820E-18	-6.08870E-17	1.45863E-14	-4.02466E-15	2.58032E-15	-9.76197E-15
e	-6.08870E-17	5.95005E-16	-9.39677E-14	2.54142E-14	-6.52736E-15	6.85302E-14
i	1.45863E-14	-9.39677E-14	6.71987E-11	-8.98404E-12	1.55128E-11	-1.75137E-11
Ω	-4.02466E-15	2.54142E-14	-8.98404E-12	1.77707E-10	-2.06825E-10	1.52697E-11
ω	2.58032E-15	-6.52736E-15	1.55128E-11	-2.06825E-10	2.71751E-10	-2.47264E-11
M	-9.76197E-15	6.85302E-14	-1.75137E-11	1.52697E-11	-2.47264E-11	1.47446E-11

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

4.300

30.89

Unit

Source

[5]

[1]

Quality

Value

Unit

Source

[5]

Amplitude

Value

0.17

0.04

Unit

mag

Source

[1]

[5]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

171

Unit

Source

[1]

Spinvector B

Value

Unit

Source

[1]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[2]

[3]

Taxonomy (all)

Value

Unit

Source

[4]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

19.318

Unit

mag

Source

[6]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[6]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[7]

Diameter

Value

400 - 800*

Unit

Source

[7]

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.) Near-Earth Asteroid Lightcurve Analysis at the Center for Solar System Studies: 2019 January-April, B.D. Warner
[2]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[3]	EARN	1.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59
[4]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[5]	EARN	1.) R. Behrend Courbes des lumiere, Observatoire de Geneve website
[6]	ESA Aegis	ESA orbit determination and impact monitoring system
[7]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

5356

Unit

Source

[1]

Unobserved

Value

2227

Unit

Source

[1]

Normalized RMS of residuals

Value

0.470788

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2005-02-04.165216

Unit

Source

[2]

Last Observation

Value

2019-10-05.46016

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

435 (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

[-]

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 525477 2005FC3 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	1958-03-13 16:43	< 1 min	0.1721420	0.1721403	0.0000006
MARS	1958-07-21 20:38	< 1 min	0.0418584	0.0418576	0.0000003
EARTH	1994-04-04 21:20	< 1 min	0.1435483	0.1435476	0.0000002
EARTH	2005-08-03 16:16	< 1 s	0.0841478	0.0841475	0.0000001
EARTH	2019-03-24 09:26	< 1 s	0.0770360	0.0770358	0.0000001
EARTH	2030-07-11 22:48	< 1 min	0.1932908	0.1932902	0.0000002
EARTH	2066-08-16 03:37	< 1 min	0.1852906	0.1852890	0.0000005
EARTH	2080-03-25 11:41	< 1 min	0.0851696	0.0851691	0.0000002
EARTH	2091-07-16 00:11	< 1 min	0.1781861	0.1781851	0.0000003
EARTH	2116-03-31 18:39	< 1 min	0.1171065	0.1171057	0.0000003

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
324.97502267	79.17091900	0.07599065	MINIMUM
36.49332372	210.84293136	0.07953829	MINIMUM
0.97901983	145.34313449	0.25644364	SADDLE
0.90140020	325.20367504	1.78951298	SADDLE
180.25836980	324.37087274	2.17071083	SADDLE
180.22859665	144.36025122	4.13810211	MAXIMUM

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MOID Plots

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