Asteroids

363790 2005JE46 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.852

Aphelion (Q)

2.954

Eccentricity (e)

0.552

Inclination (i)

8.3

deg

Orbit period (P)

958.9

Earth MOID

0.02902

U parameter

0.0

Next Earth close approach

Date

2026-11-13

Nominal distance (from Earth center)

0.05145

7696595

Maximum Brightness

13.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.8

mag

Diameter

700 - 1700*

Taxonomic type

C/X/T

Rotation period (T)

Discovery Information

Discovery Date

2005-05-10

Observatory

Lincoln Laboratory ETS, New Mexico

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

1.903100

1-sigma variation

2.499E-9

Unit

Eccentricity (e)

Value

0.552179

1-sigma variation

1.156E-8

Unit

Inclination (i)

Value

8.2716

1-sigma variation

3.299E-6

Unit

Long. of Ascending Node (Ω)

Value

238.3330

1-sigma variation

6.094E-6

Unit

Arg. of Perihelion (ω)

Value

114.7554

1-sigma variation

6.353E-6

Unit

Mean Anomaly (M)

Value

240.67828

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.852247

1-sigma variation

Unit

Aphelion distance

Value

2.953953

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.706933

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.086518

1-sigma variation

Unit

MOID

Value

0.029022

1-sigma variation

Unit

Orbit Period

Value

958.9388

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.24642E-18	-2.53735E-17	1.09596E-15	-7.39732E-16	8.33423E-15	-1.52061E-14
e	-2.53735E-17	1.33551E-16	6.25580E-15	-2.68983E-14	-4.76735E-15	6.21878E-14
i	1.09596E-15	6.25580E-15	1.08822E-11	-1.74969E-11	1.34437E-11	-1.46355E-12
Ω	-7.39732E-16	-2.68983E-14	-1.74969E-11	3.71311E-11	-3.21733E-11	3.16000E-13
ω	8.33423E-15	-4.76735E-15	1.34437E-11	-3.21733E-11	4.03601E-11	-1.96160E-11
M	-1.52061E-14	6.21878E-14	-1.46355E-12	3.16000E-13	-1.96160E-11	3.71898E-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

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

C/X/T

Unit

Source

[1]

Taxonomy (all)

Value

C/X/T

Unit

Source

[1]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

17.781

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[3]

Diameter

Value

700 - 1700*

Unit

Source

[3]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.31

0.752

0.406

Unit

R-I

B-V

V-R

Source

[4]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Visual S

Radar R

Unit

Source

[5]

[6]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)
[2]	ESA Aegis	ESA orbit determination and impact monitoring system
[3]	Estimation	Estimated from absolute magnitude
[4]	EARN	1.) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)
[5]	EARN	1.) Binzel, R.P. et al. (2006) LPSC 37, 1491. (The MIT-Hawaii-IRTF joint campaign for NEO spectral reconnaissance.) 2.) Binzel, R.P. et al. href="http://smass.mit.edu/minus.html"> Webpage
[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

14866

Unit

Source

[1]

Unobserved

Value

241

Unit

Source

[1]

Normalized RMS of residuals

Value

0.463903

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1984-06-22.48155

Unit

Source

[2]

Last Observation

Value

2025-03-05.336776

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

931 (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

2005-11-02

Unit

Source

[3]

Last Observation

Value

2013-06-27

Unit

Source

[3]

Delay (Discarded)

Value

4 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

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 363790 2005JE46 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	1963-07-29 23:46	< 1 min	0.1538967	0.1538960	0.0000002
EARTH	1984-09-26 23:57	< 1 min	0.1848511	0.1848508	0.0000001
EARTH	2005-11-08 00:06	< 1 s	0.0359506	0.0359505	0.0000000
EARTH	2026-11-13 19:57	< 1 min	0.0514486	0.0514479	0.0000002
EARTH	2034-07-12 07:29	< 1 min	0.1297723	0.1297721	0.0000000
EARTH	2055-08-14 18:56	< 1 min	0.1825205	0.1825203	0.0000001
EARTH	2076-10-13 07:39	< 1 min	0.1539531	0.1539526	0.0000002
EARTH	2097-11-11 00:54	< 1 min	0.0258609	0.0258607	0.0000001
EARTH	2105-07-12 19:23	< 1 min	0.1388587	0.1388564	0.0000008

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
30.84926675	306.10339566	0.02897175	MINIMUM
325.61890209	190.86666332	0.12243252	MINIMUM
355.01101238	242.72639203	0.19892321	SADDLE
358.12339797	68.59309612	1.84228566	SADDLE
179.21448807	70.36270243	1.97227274	SADDLE
179.71889909	250.63174269	3.95266696	MAXIMUM

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MOID Plots

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