Asteroids

2022EC2 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.915

Aphelion (Q)

3.406

Eccentricity (e)

0.577

Inclination (i)

3.1

deg

Orbit period (P)

1159.8

Earth MOID

0.01198

U parameter

8.7

Next Earth close approach

Date

2041-06-01

Nominal distance (from Earth center)

0.05873

8785961

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.9

mag

Diameter

11 - 25*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-03-02

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

2.160290

1-sigma variation

0.009424

Unit

Eccentricity (e)

Value

0.576517

1-sigma variation

0.001721

Unit

Inclination (i)

Value

3.1011

1-sigma variation

0.0070

Unit

Long. of Ascending Node (Ω)

Value

161.1819

1-sigma variation

0.0166

Unit

Arg. of Perihelion (ω)

Value

51.7299

1-sigma variation

0.0279

Unit

Mean Anomaly (M)

Value

111.11864

1-sigma variation

3.07481

Unit

Perihelion distance

Value

0.914846

1-sigma variation

Unit

Aphelion distance

Value

3.405733

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.071796

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.234765

1-sigma variation

Unit

MOID

Value

0.011980

1-sigma variation

Unit

Orbit Period

Value

1159.7554

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.88049E-5	1.62168E-5	6.63595E-5	-1.56103E-4	2.62448E-4	-2.89759E-2
e	1.62168E-5	2.96139E-6	1.21180E-5	-2.85063E-5	4.79264E-5	-5.29134E-3
i	6.63595E-5	1.21180E-5	4.95879E-5	-1.16647E-4	1.96112E-4	-2.16523E-2
Ω	-1.56103E-4	-2.85063E-5	-1.16647E-4	2.74403E-4	-4.61342E-4	5.09345E-2
ω	2.62448E-4	4.79264E-5	1.96112E-4	-4.61342E-4	7.75727E-4	-8.56335E-2
M	-2.89759E-2	-5.29134E-3	-2.16523E-2	5.09345E-2	-8.56335E-2	9.45447E0

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

26.888

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

11 - 25*

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

1526

Unit

Source

[1]

Normalized RMS of residuals

Value

0.456898

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-03-02.295325

Unit

Source

[2]

Last Observation

Value

2022-03-09.419707

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (1)

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 2022EC2 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	1971-05-25 04:07	> 1 mo	0.0757325	0.0571966	0.3903455
EARTH	1987-02-23 13:20	> 1 mo	0.1973930	0.0054524	0.9379687
EARTH	2006-06-19 13:18	> 1 mo	0.1309776	0.0557970	0.5497069
EARTH	2022-03-09 14:37	< 1 min	0.0276342	0.0274035	0.0000769
EARTH	2041-06-01 13:23	> 1 mo	0.0587305	0.0547545	0.2093281
EARTH	2076-02-27 07:58	> 1 mo	0.1750798	0.0095313	3.5107387
EARTH	2095-04-20 09:32	> 1 mo	0.0988308	0.0402311	0.5184603
EARTH	2114-06-07 20:05	> 1 mo	0.0568386	0.0537044	0.3491117

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
339.03844677	71.37818586	0.01183851	MINIMUM
23.20276124	154.41028337	0.05472759	MINIMUM
2.63192334	115.67272764	0.10169144	SADDLE
1.45928623	293.40652916	1.90879235	SADDLE
180.42712323	292.06875007	2.41281880	SADDLE
180.35883617	112.03690581	4.41229782	MAXIMUM

Download:

MOID Plots

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