Asteroids

2022EA1 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.911

Aphelion (Q)

1.342

Eccentricity (e)

0.191

Inclination (i)

4.1

deg

Orbit period (P)

436.6

Earth MOID

0.01480

U parameter

7.0

Next Earth close approach

Date

2028-03-03

Nominal distance (from Earth center)

0.13099

19595708

Maximum Brightness

25.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-03-01

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

1.126359

1-sigma variation

0.000155

Unit

Eccentricity (e)

Value

0.191394

1-sigma variation

0.000179

Unit

Inclination (i)

Value

4.0754

1-sigma variation

0.0036

Unit

Long. of Ascending Node (Ω)

Value

340.5078

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

254.4028

1-sigma variation

0.0036

Unit

Mean Anomaly (M)

Value

151.83352

1-sigma variation

0.24887

Unit

Perihelion distance

Value

0.910781

1-sigma variation

Unit

Aphelion distance

Value

1.341938

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.134628

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.041356

1-sigma variation

Unit

MOID

Value

0.014803

1-sigma variation

Unit

Orbit Period

Value

436.6303

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.40593E-8	2.78066E-8	5.63114E-7	2.51261E-8	5.59088E-7	-3.86030E-5
e	2.78066E-8	3.21399E-8	6.50983E-7	2.90338E-8	6.47011E-7	-4.46160E-5
i	5.63114E-7	6.50983E-7	1.31933E-5	5.87799E-7	1.31482E-5	-9.03549E-4
Ω	2.51261E-8	2.90338E-8	5.87799E-7	2.67124E-8	5.81067E-7	-4.03131E-5
ω	5.59088E-7	6.47011E-7	1.31482E-5	5.81067E-7	1.33091E-5	-8.97242E-4
M	-3.86030E-5	-4.46160E-5	-9.03549E-4	-4.03131E-5	-8.97242E-4	6.19383E-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

27.064

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

10 - 23*

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

1533

Unit

Source

[1]

Normalized RMS of residuals

Value

0.488575

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-02-27.252

Unit

Source

[2]

Last Observation

Value

2022-03-09.138903

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

29 (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 2022EA1 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	1954-06-27 08:40	> 1 mo	0.1049863	0.0274056	0.0910936
EARTH	1960-04-17 21:03	> 1 mo	0.1017163	0.0191511	0.0423167
EARTH	1966-03-10 15:09	> 1 d	0.0279936	0.0138595	0.0361643
EARTH	1985-07-28 13:41	197.7	0.0551744	0.0508369	0.0015385
EARTH	1991-03-21 14:09	> 1 d	0.0570162	0.0134403	0.0155874
EARTH	1997-02-28 13:02	959.9	0.1959547	0.1421322	0.0179506
EARTH	2010-08-07 13:01	933.6	0.1108880	0.0723578	0.0134151
EARTH	2016-06-16 22:41	> 1 d	0.1131348	0.1047794	0.0027942
EARTH	2022-03-14 04:23	< 1 min	0.0207226	0.0206694	0.0000177
EARTH	2028-03-03 12:58	487.1	0.1309892	0.1077814	0.0077435
EARTH	2047-08-11 11:44	1202.3	0.1897231	0.1241846	0.0220920
EARTH	2053-08-02 12:00	> 1 d	0.0490781	0.0405852	0.0134126
EARTH	2059-07-19 07:48	> 1 w	0.0811448	0.0352261	0.0216036
EARTH	2065-02-12 21:25	> 1 w	0.1941835	0.1347039	0.0204410
EARTH	2065-05-19 09:40	> 1 w	0.1207052	0.1162132	0.0015721
EARTH	2065-08-28 03:26	> 1 w	0.1921212	0.1390841	0.0185824
EARTH	2071-03-27 14:24	> 1 w	0.0718881	0.0194293	0.0177929
EARTH	2077-03-11 05:15	386.8	0.0213452	0.0154427	0.0026690
EARTH	2096-08-06 13:45	> 1 d	0.0946703	0.0375915	0.0543454
EARTH	2102-06-24 14:34	> 1 mo	0.1081449	0.0418729	0.0233040
EARTH	2108-03-21 02:27	> 1 w	0.0537428	0.0135734	0.0341443
EARTH	2114-03-05 23:22	977.1	0.1211698	0.0851119	0.0120577

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
305.91393196	69.08612287	0.01431571	MINIMUM
62.96094393	207.35440142	0.04079406	MINIMUM
5.99585048	140.15036352	0.12254711	SADDLE
183.42171227	316.89300277	0.36220061	SADDLE
3.87693627	317.55567187	1.89811609	SADDLE
182.51941164	136.16730175	2.35348606	MAXIMUM

Download:

MOID Plots

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