Asteroids

189008 1996FR3 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.448

Aphelion (Q)

3.889

Eccentricity (e)

0.793

Inclination (i)

8.0

deg

Orbit period (P)

1166.3

Earth MOID

0.08786

U parameter

0.0

Next Earth close approach

Date

2031-03-08

Nominal distance (from Earth center)

0.09394

14052897

Maximum Brightness

14.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

16.4

mag

Diameter

1400 - 3000*

Taxonomic type

Rotation period (T)

5.360

Discovery Information

Discovery Date

1996-03-26

Observatory

Haleakala-NEAT/GEODSS

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

2.168465

1-sigma variation

4.567E-9

Unit

Eccentricity (e)

Value

0.793406

1-sigma variation

4.497E-8

Unit

Inclination (i)

Value

8.0392

1-sigma variation

9.195E-6

Unit

Long. of Ascending Node (Ω)

Value

27.1389

1-sigma variation

2.562E-5

Unit

Arg. of Perihelion (ω)

Value

36.7492

1-sigma variation

2.593E-5

Unit

Mean Anomaly (M)

Value

137.13583

1-sigma variation

4.100E-6

Unit

Perihelion distance

Value

0.447992

1-sigma variation

Unit

Aphelion distance

Value

3.888939

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.504651

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.199621

1-sigma variation

Unit

MOID

Value

0.087864

1-sigma variation

Unit

Orbit Period

Value

1166.3454

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.08608E-17	-9.94640E-17	3.74568E-15	5.17831E-15	3.46080E-15	-1.47363E-14
e	-9.94640E-17	2.02266E-15	-8.58596E-14	-3.21826E-14	-1.71620E-13	6.75354E-14
i	3.74568E-15	-8.58596E-14	8.45504E-11	-7.02022E-12	1.69308E-11	-2.69085E-12
Ω	5.17831E-15	-3.21826E-14	-7.02022E-12	6.56217E-10	-6.45995E-10	-2.80231E-12
ω	3.46080E-15	-1.71620E-13	1.69308E-11	-6.45995E-10	6.72595E-10	-6.65265E-12
M	-1.47363E-14	6.75354E-14	-2.69085E-12	-2.80231E-12	-6.65265E-12	1.68102E-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

5.360

Unit

Source

[3]

Quality

Value

Unit

Source

[3]

Amplitude

Value

0.57

Unit

mag

Source

[3]

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

16.404

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[5]

Diameter

Value

1400 - 3000*

Unit

Source

[5]

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

[6]

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]	EARN	1.) Warner, B.D. (2015) MPB 42, 256-266. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2015 MARCH-JUNE)(35 NEAs)
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	Estimation	Estimated from absolute magnitude
[6]	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

11720

Unit

Source

[1]

Unobserved

Value

150

Unit

Source

[1]

Normalized RMS of residuals

Value

0.565114

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1993-04-26.27826

Unit

Source

[2]

Last Observation

Value

2025-05-28.36603

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

596 (4)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2015-03-13

Unit

Source

[3]

Last Observation

Value

2015-03-13

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

1 (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 189008 1996FR3 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	1964-03-08 00:03	< 1 min	0.0996866	0.0996860	0.0000002
EARTH	2008-08-07 16:38	< 1 s	0.1554273	0.1554266	0.0000002
EARTH	2031-03-08 05:03	< 1 min	0.0939378	0.0939373	0.0000002
EARTH	2059-08-20 02:05	< 1 min	0.1708098	0.1708084	0.0000005
EARTH	2075-08-07 10:01	< 1 min	0.1718907	0.1718897	0.0000003
MARS	2095-02-11 17:37	< 1 min	0.0343708	0.0343698	0.0000004
EARTH	2098-03-04 06:52	< 1 min	0.1462021	0.1462011	0.0000003

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
47.20215196	65.40041913	0.08791411	MINIMUM
312.92212984	218.27377671	0.13111538	MINIMUM
359.77701836	321.99833902	0.54215109	SADDLE
359.25074005	140.52754910	1.45935695	SADDLE
180.02964688	141.23576107	2.88086084	SADDLE
179.80242991	321.16249429	4.87314687	MAXIMUM

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MOID Plots

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