Asteroids

162416 2000EH26 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.968

Aphelion (Q)

2.741

Eccentricity (e)

0.478

Inclination (i)

0.4

deg

Orbit period (P)

922.2

Earth MOID

0.00108

U parameter

0.5

Next Earth close approach

Date

2048-03-30

Nominal distance (from Earth center)

0.11817

17678046

Maximum Brightness

19.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.5

mag

Diameter

141

Taxonomic type

Rotation period (T)

>24

Discovery Information

Discovery Date

2000-03-04

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

1.854140

1-sigma variation

1.748E-8

Unit

Eccentricity (e)

Value

0.478090

1-sigma variation

8.198E-9

Unit

Inclination (i)

Value

0.4023

1-sigma variation

1.027E-5

Unit

Long. of Ascending Node (Ω)

Value

215.2568

1-sigma variation

0.0012

Unit

Arg. of Perihelion (ω)

Value

19.2525

1-sigma variation

0.0012

Unit

Mean Anomaly (M)

Value

39.97613

1-sigma variation

0.00006

Unit

Perihelion distance

Value

0.967694

1-sigma variation

Unit

Aphelion distance

Value

2.740587

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.022771

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.617591

1-sigma variation

Unit

MOID

Value

0.001078

1-sigma variation

Unit

Orbit Period

Value

922.1729

1-sigma variation

Unit

U parameter

Value

0.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.05680E-16	5.06286E-17	1.17796E-14	-1.17249E-12	1.10650E-12	-9.81754E-13
e	5.06286E-17	6.72125E-17	-2.52671E-14	3.92471E-12	-3.80670E-12	-2.12212E-13
i	1.17796E-14	-2.52671E-14	1.05417E-10	-7.12003E-9	7.11166E-9	-3.81207E-11
Ω	-1.17249E-12	3.92471E-12	-7.12003E-9	1.36607E-6	-1.36483E-6	3.70487E-9
ω	1.10650E-12	-3.80670E-12	7.11166E-9	-1.36483E-6	1.36397E-6	-3.63374E-9
M	-9.81754E-13	-2.12212E-13	-3.81207E-11	3.70487E-9	-3.63374E-9	3.20883E-9

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

>24

Unit

Source

[1]

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

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

21.528

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.181

Unit

Source

[3]

Diameter

Value

141

Unit

Source

[3]

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.) href="http://echo.jpl.nasa.gov/~lance/radar.nea.periods.html"> L.Benner, JPL Radar website
[2]	ESA Aegis	ESA orbit determination and impact monitoring system
[3]	EARN	1.) Mueller, M. et al. (2011) Astron. J. 141, 109. (ExploreNEOs. III. PHYSICAL CHARACTERIZATION OF 65 POTENTIAL SPACECRAFT TARGET ASTEROIDS)
[4]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage 2.) Benner, L.A.M. et al. (2001) B.A.A.S. 33, 918. (Recent radar observations of four near-earth asteroids) (2000EH26, 2000YA,4183,1999JM8)

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

1944

Unit

Source

[1]

Unobserved

Value

7424

Unit

Source

[1]

Normalized RMS of residuals

Value

0.488456

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2000-03-04.2472

Unit

Source

[2]

Last Observation

Value

2005-06-30.1756

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

59 (6)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2000-05-05

Unit

Source

[3]

Last Observation

Value

2000-05-06

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

4 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

6 (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 162416 2000EH26 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	1995-03-27 16:24	< 1 min	0.1610756	0.1610736	0.0000007
EARTH	2000-05-07 00:18	< 1 s	0.0405886	0.0405886	0.0000000
EARTH	2005-07-04 05:11	< 1 min	0.1168023	0.1168004	0.0000007
EARTH	2048-03-30 17:01	< 1 min	0.1181704	0.1181578	0.0000042
EARTH	2053-05-24 10:27	1.7	0.0425194	0.0425178	0.0000005
EARTH	2058-07-08 00:45	< 1 min	0.1493926	0.1493907	0.0000007
EARTH	2106-04-21 15:59	7.1	0.0092703	0.0092257	0.0000149

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
343.57536064	104.06673013	0.00101076	MINIMUM
18.88801708	163.28317373	0.00542756	MINIMUM
1.33650131	133.82171048	0.04338697	SADDLE
180.45613415	312.79712481	1.75172073	SADDLE
1.27022870	313.72484292	1.95649444	SADDLE
180.46495465	132.80788417	3.75152208	MAXIMUM

Download:

MOID Plots

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