Asteroids

2013ED68 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.959

Aphelion (Q)

1.949

Eccentricity (e)

0.340

Inclination (i)

0.5

deg

Orbit period (P)

640.6

Earth MOID

0.00172

U parameter

9.0

Next Earth close approach

Date

2029-04-20

Nominal distance (from Earth center)

0.0455

6806375

Maximum Brightness

41.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.2

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2013-03-13

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.454367

1-sigma variation

0.240926

Unit

Eccentricity (e)

Value

0.340341

1-sigma variation

0.089662

Unit

Inclination (i)

Value

0.4728

1-sigma variation

5.1629

Unit

Long. of Ascending Node (Ω)

Value

344.4341

1-sigma variation

129.8790

Unit

Arg. of Perihelion (ω)

Value

222.5600

1-sigma variation

113.9950

Unit

Mean Anomaly (M)

Value

133.43296

1-sigma variation

205.67200

Unit

Perihelion distance

Value

0.959386

1-sigma variation

Unit

Aphelion distance

Value

1.949347

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.706318

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.037083

1-sigma variation

Unit

MOID

Value

0.001722

1-sigma variation

Unit

Orbit Period

Value

640.6329

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.80455E-2	2.16018E-2	-1.24388E0	-3.12912E1	2.74644E1	-4.95518E1
e	2.16018E-2	8.03918E-3	-4.62912E-1	-1.16451E1	1.02210E1	-1.84409E1
i	-1.24388E0	-4.62912E-1	2.66554E1	6.70549E2	-5.88544E2	1.06186E3
Ω	-3.12912E1	-1.16451E1	6.70549E2	1.68685E4	-1.48055E4	2.67124E4
ω	2.74644E1	1.02210E1	-5.88544E2	-1.48055E4	1.29949E4	-2.34456E4
M	-4.95518E1	-1.84409E1	1.06186E3	2.67124E4	-2.34456E4	4.23010E4

Date of computation: 2026-03-17 23:26 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

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

28.189

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

6 - 14*

Unit

Source

[2]

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]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

4811

Unit

Source

[1]

Normalized RMS of residuals

Value

0.379958

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2013-03-13.27165

Unit

Source

[2]

Last Observation

Value

2013-03-15.33499

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2013ED68 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1956-05-30 13:58	> 1 mo	0.0621937	0.0216566	2.0552007
EARTH	1967-05-16 06:02	> 1 w	0.0220807	0.0207488	0.0165885
EARTH	1978-04-08 09:02	> 1 mo	0.0364176	0.0084173	0.4806018
EARTH	1989-03-20 10:24	> 1 w	0.0099610	0.0015057	0.0326070
EARTH	2013-03-16 02:36	< 1 min	0.0035859	0.0035814	0.0000015
EARTH	2022-03-16 21:22	> 1 d	0.0018353	0.0016303	0.0071024
EARTH	2029-04-20 17:10	> 1 mo	0.0454978	0.0452951	0.0334502
MARS	2032-05-24 02:34	> 1 mo	0.0217600	0.0170468	5.8125509
EARTH	2036-05-26 08:33	> 1 mo	0.0086102	0.0081700	3.4437926
EARTH	2066-03-26 19:18	> 1 mo	0.0236770	0.0040411	1071.7051512
EARTH	2089-03-02 19:00	> 1 mo	0.1006691	0.0038208	20388.5222815
EARTH	2096-06-07 12:03	> 1 mo	0.0745802	0.0080979	14304.3867271
MARS	2118-12-01 17:58	> 1 mo	0.0406367	0.0205684	29244.2541203
EARTH	2119-05-29 16:21	> 1 mo	0.0105091	0.0078936	23844.7877461

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
337.84986565	73.56820696	0.00163363	MINIMUM
27.29449958	143.28978119	0.00832546	MINIMUM
2.84047259	108.76542292	0.04668472	SADDLE
181.34271855	287.12695018	0.95360534	SADDLE
2.69554522	288.56859174	1.95512753	SADDLE
181.34884525	107.13618168	2.95499998	MAXIMUM

Download:

MOID Plots

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