Asteroids

2022EC5 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.869

Aphelion (Q)

1.578

Eccentricity (e)

0.289

Inclination (i)

7.3

deg

Orbit period (P)

494.4

Earth MOID

0.00314

U parameter

7.0

Next Earth close approach

Date

2040-11-09

Nominal distance (from Earth center)

0.13809

20658173

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.3

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-03-10

Observatory

ATLAS-HKO, Haleakala

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

1.223575

1-sigma variation

0.000185

Unit

Eccentricity (e)

Value

0.289468

1-sigma variation

0.000146

Unit

Inclination (i)

Value

7.2715

1-sigma variation

0.0035

Unit

Long. of Ascending Node (Ω)

Value

168.4470

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

294.9977

1-sigma variation

0.0007

Unit

Mean Anomaly (M)

Value

88.86200

1-sigma variation

0.27355

Unit

Perihelion distance

Value

0.869389

1-sigma variation

Unit

Aphelion distance

Value

1.577760

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.006256

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.269970

1-sigma variation

Unit

MOID

Value

0.003137

1-sigma variation

Unit

Orbit Period

Value

494.3610

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.42607E-8	2.70225E-8	6.40707E-7	4.20709E-8	1.00371E-7	-5.06326E-5
e	2.70225E-8	2.13150E-8	5.05475E-7	3.31582E-8	7.87326E-8	-3.99353E-5
i	6.40707E-7	5.05475E-7	1.19952E-5	7.84301E-7	1.83755E-6	-9.46858E-4
Ω	4.20709E-8	3.31582E-8	7.84301E-7	5.22874E-8	1.30826E-7	-6.21790E-5
ω	1.00371E-7	7.87326E-8	1.83755E-6	1.30826E-7	4.23147E-7	-1.48397E-4
M	-5.06326E-5	-3.99353E-5	-9.46858E-4	-6.21790E-5	-1.48397E-4	7.48281E-2

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

26.253

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

15 - 30*

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

1521

Unit

Source

[1]

Normalized RMS of residuals

Value

0.579515

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-03-10.519837

Unit

Source

[2]

Last Observation

Value

2022-03-15.421486

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

65 (3)

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 2022EC5 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	1959-03-01 22:52	> 1 w	0.0484448	0.0017384	0.0777526
EARTH	1969-12-12 19:28	> 1 w	0.1525230	0.1310110	0.0101426
EARTH	1980-10-22 18:02	723.8	0.1307510	0.1050540	0.0100842
EARTH	1985-03-20 13:37	127.9	0.1787107	0.1749693	0.0012471
EARTH	1996-02-28 18:48	> 1 d	0.0571972	0.0004951	0.0367894
EARTH	2006-11-01 14:24	> 1 d	0.1084298	0.0936424	0.0097630
EARTH	2022-03-07 18:04	< 1 min	0.0054196	0.0054109	0.0000029
EARTH	2040-11-09 14:40	> 1 d	0.1380914	0.0942677	0.0179097
EARTH	2045-03-12 14:07	> 1 d	0.0532503	0.0014520	0.0309962
EARTH	2059-10-24 02:21	> 1 d	0.1073026	0.0944263	0.0212101
EARTH	2064-02-27 23:33	> 1 w	0.0632030	0.0028410	0.0619757
EARTH	2082-11-08 21:35	> 1 d	0.1363028	0.1075064	0.0107551
EARTH	2087-03-13 14:19	335.5	0.0575293	0.0471494	0.0034605
EARTH	2101-10-25 03:11	> 1 d	0.1056750	0.0948130	0.0219732
EARTH	2106-02-28 18:31	> 1 w	0.0624370	0.0034956	0.0607073
EARTH	2124-11-01 02:36	506.4	0.1137870	0.1095515	0.0014505

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
49.79562090	65.27223782	0.00248276	MINIMUM
304.26032791	291.87725209	0.09371457	MINIMUM
352.30798076	352.05743294	0.15896720	SADDLE
178.01995065	180.84551206	0.57824987	SADDLE
359.48688160	181.58647606	1.88438780	SADDLE
180.55418044	2.75692855	2.55713744	MAXIMUM

Download:

MOID Plots

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