Asteroids

466130 2012FZ23 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.967

Aphelion (Q)

3.997

Eccentricity (e)

0.610

Inclination (i)

75.6

deg

Orbit period (P)

1428.5

Earth MOID

0.02964

U parameter

0.0

Next Earth close approach

Date

2055-03-17

Nominal distance (from Earth center)

0.08857

13250388

Maximum Brightness

17.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

18.2

mag

Diameter

770

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2012-03-23

Observatory

Siding Spring 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

2.482295

1-sigma variation

1.255E-8

Unit

Eccentricity (e)

Value

0.610387

1-sigma variation

2.240E-8

Unit

Inclination (i)

Value

75.6438

1-sigma variation

2.291E-5

Unit

Long. of Ascending Node (Ω)

Value

179.3220

1-sigma variation

2.147E-6

Unit

Arg. of Perihelion (ω)

Value

358.1266

1-sigma variation

1.399E-5

Unit

Mean Anomaly (M)

Value

171.90307

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.967135

1-sigma variation

Unit

Aphelion distance

Value

3.997455

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.029640

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.989948

1-sigma variation

Unit

MOID

Value

0.029640

1-sigma variation

Unit

Orbit Period

Value

1428.4945

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.57425E-16	2.91320E-17	5.54385E-14	-5.19336E-15	3.06272E-14	-1.24848E-13
e	2.91320E-17	5.01781E-16	-3.66108E-14	7.34582E-15	2.48594E-14	-3.53652E-14
i	5.54385E-14	-3.66108E-14	5.25019E-10	-2.33509E-11	-1.34472E-11	-6.95356E-12
Ω	-5.19336E-15	7.34582E-15	-2.33509E-11	4.61171E-12	4.42895E-13	1.42992E-12
ω	3.06272E-14	2.48594E-14	-1.34472E-11	4.42895E-13	1.95586E-10	-4.96495E-11
M	-1.24848E-13	-3.53652E-14	-6.95356E-12	1.42992E-12	-4.96495E-11	1.05077E-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

18.166

Unit

mag

Source

[3]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[3]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.148

Unit

Source

[1]

Diameter

Value

770

Unit

Source

[1]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) N. G. Simion et al, Spectral properties of near-Earth objects with low-Jovian Tisserand invariant (2021)
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	ESA Aegis	ESA orbit determination and impact monitoring system
[4]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

3070

Unit

Source

[1]

Unobserved

Value

1865

Unit

Source

[1]

Normalized RMS of residuals

Value

0.328186

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2012-03-23.445414

Unit

Source

[2]

Last Observation

Value

2020-08-18.31934

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

260 (9)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2012-03-26

Unit

Source

[3]

Last Observation

Value

2012-03-26

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

2 (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 466130 2012FZ23 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	2012-03-25 16:30	< 1 s	0.1349247	0.1349247	0.0000000
EARTH	2055-03-17 02:18	< 1 min	0.0885734	0.0885688	0.0000015

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
0.92752973	76.15563662	0.02867423	MINIMUM
325.67942034	226.61464061	1.92171855	SADDLE
35.06077352	282.12925628	1.94098767	SADDLE
3.29491552	257.33921703	1.97136120	MAXIMUM
179.13714869	256.74653855	2.99472106	SADDLE
180.47131499	76.90800618	4.99327018	MAXIMUM

Download:

MOID Plots

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