Asteroids

2026EJ2 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.901

Aphelion (Q)

1.401

Eccentricity (e)

0.217

Inclination (i)

30.1

deg

Orbit period (P)

451.1

Earth MOID

0.02951

U parameter

7.8

Next Earth close approach

Date

2042-09-08

Nominal distance (from Earth center)

0.16299

24383517

Maximum Brightness

22.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

27 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-11

Observatory

Palomar Mountain--ZTF

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

1.151149

1-sigma variation

0.000612

Unit

Eccentricity (e)

Value

0.217003

1-sigma variation

0.000363

Unit

Inclination (i)

Value

30.1398

1-sigma variation

0.0283

Unit

Long. of Ascending Node (Ω)

Value

352.0058

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

251.2752

1-sigma variation

0.0674

Unit

Mean Anomaly (M)

Value

22.02855

1-sigma variation

0.03287

Unit

Perihelion distance

Value

0.901346

1-sigma variation

Unit

Aphelion distance

Value

1.400952

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.172775

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.031928

1-sigma variation

Unit

MOID

Value

0.029510

1-sigma variation

Unit

Orbit Period

Value

451.1239

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.74099E-7	2.21931E-7	1.73025E-5	6.15541E-7	-4.11995E-5	2.01030E-5
e	2.21931E-7	1.31663E-7	1.02648E-5	3.65175E-7	-2.44403E-5	1.19255E-5
i	1.73025E-5	1.02648E-5	8.00285E-4	2.84704E-5	-1.90547E-3	9.29762E-4
Ω	6.15541E-7	3.65175E-7	2.84704E-5	1.01285E-6	-6.77868E-5	3.30761E-5
ω	-4.11995E-5	-2.44403E-5	-1.90547E-3	-6.77868E-5	4.53753E-3	-2.21404E-3
M	2.01030E-5	1.19255E-5	9.29762E-4	3.30761E-5	-2.21404E-3	1.08032E-3

Date of computation: 2026-03-18 10:55 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

24.954

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

27 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.733819

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-11.349412

Unit

Source

[2]

Last Observation

Value

2026-03-16.398068

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

50 (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 2026EJ2 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	1953-09-07 21:37	154.8	0.1592741	0.1563265	0.0108776
EARTH	1958-03-15 21:28	> 1 d	0.0716651	0.0285085	0.0753189
EARTH	1979-03-19 16:16	> 1 d	0.1930384	0.0276165	0.1199138
EARTH	1984-03-08 17:54	> 1 d	0.1427765	0.0270816	0.1222249
EARTH	2000-09-08 07:50	> 1 d	0.1730114	0.1588991	0.0403871
EARTH	2005-03-12 09:03	> 1 d	0.0514070	0.0288785	0.0848894
EARTH	2021-09-08 08:25	189.2	0.1600605	0.1548404	0.0055867
EARTH	2026-03-13 14:28	< 1 min	0.0327715	0.0326732	0.0000328
EARTH	2042-09-08 19:05	935.2	0.1629937	0.1562102	0.0206305
EARTH	2047-03-13 01:17	> 1 d	0.0505727	0.0291193	0.0823012
EARTH	2063-09-10 01:31	> 1 d	0.1998515	0.1599258	0.0619488
EARTH	2068-03-08 15:39	> 1 d	0.1534851	0.0274102	0.1121484
EARTH	2079-09-09 03:28	949.4	0.1812544	0.1563666	0.0464896
EARTH	2084-03-16 12:50	> 1 d	0.0969837	0.0288620	0.0894076
EARTH	2100-09-09 07:13	226.7	0.1552508	0.1526177	0.0072531
EARTH	2105-03-14 00:26	> 1 d	0.0443198	0.0300088	0.0238887
EARTH	2126-03-08 22:07	> 1 d	0.1934583	0.0974813	0.0322911

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
301.34992880	67.83158541	0.02951035	MINIMUM
88.74877279	241.91841916	0.15430095	MINIMUM
15.65604721	157.98390645	0.51099258	SADDLE
195.60264086	330.84616250	0.72890284	SADDLE
8.65956285	327.80384101	1.82663750	SADDLE
169.63419875	127.65922202	2.34435783	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out