Asteroids

2022EN3 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.911

Aphelion (Q)

1.942

Eccentricity (e)

0.361

Inclination (i)

28.5

deg

Orbit period (P)

622.3

Earth MOID

0.01955

U parameter

7.6

Next Earth close approach

Date

2068-03-11

Nominal distance (from Earth center)

0.04912

7348594

Maximum Brightness

20.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.1

mag

Diameter

25 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-03-08

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

1.426493

1-sigma variation

0.000725

Unit

Eccentricity (e)

Value

0.361351

1-sigma variation

0.000326

Unit

Inclination (i)

Value

28.4585

1-sigma variation

0.0137

Unit

Long. of Ascending Node (Ω)

Value

168.3052

1-sigma variation

1.520E-5

Unit

Arg. of Perihelion (ω)

Value

52.0285

1-sigma variation

0.0147

Unit

Mean Anomaly (M)

Value

153.73154

1-sigma variation

0.65591

Unit

Perihelion distance

Value

0.911028

1-sigma variation

Unit

Aphelion distance

Value

1.941958

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.022013

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.587550

1-sigma variation

Unit

MOID

Value

0.019550

1-sigma variation

Unit

Orbit Period

Value

622.3045

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.25622E-7	2.36338E-7	9.95032E-6	1.09795E-8	-1.06886E-5	-4.75535E-4
e	2.36338E-7	1.06266E-7	4.47401E-6	4.93698E-9	-4.80588E-6	-2.13817E-4
i	9.95032E-6	4.47401E-6	1.88369E-4	2.07880E-7	-2.02339E-4	-9.00214E-3
Ω	1.09795E-8	4.93698E-9	2.07880E-7	2.31123E-10	-2.23194E-7	-9.93327E-6
ω	-1.06886E-5	-4.80588E-6	-2.02339E-4	-2.23194E-7	2.17393E-4	9.67010E-3
M	-4.75535E-4	-2.13817E-4	-9.00214E-3	-9.93327E-6	9.67010E-3	4.30221E-1

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

25.098

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

25 - 60*

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

1527

Unit

Source

[1]

Normalized RMS of residuals

Value

0.582596

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-03-07.32696

Unit

Source

[2]

Last Observation

Value

2022-03-12.381741

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

69 (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 2022EN3 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	1976-03-04 00:28	> 1 w	0.1205333	0.0149959	0.1728903
EARTH	1993-03-16 23:12	> 1 d	0.1439377	0.0114490	0.1317662
EARTH	2022-03-10 02:28	< 1 s	0.0195369	0.0195048	0.0000107
EARTH	2068-03-11 22:33	> 1 w	0.0491223	0.0191907	0.1715220
EARTH	2097-03-08 19:48	> 1 d	0.0332236	0.0198129	0.1076141
EARTH	2114-03-20 19:05	> 1 d	0.1889149	0.0060233	0.1359019

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
323.80165678	66.99758280	0.01862244	MINIMUM
72.64478182	216.90135829	0.39946695	MINIMUM
29.14355179	160.71101113	0.49051904	SADDLE
195.57984200	307.08617664	1.10836493	SADDLE
9.85319281	309.64826670	1.85997067	SADDLE
174.97112938	112.42572894	2.90317566	MAXIMUM

Download:

MOID Plots

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