Asteroids

2026EJ1 help

Last update: 2026-03-12 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.857

Aphelion (Q)

1.993

Eccentricity (e)

0.398

Inclination (i)

0.2

deg

Orbit period (P)

621.3

Earth MOID

0.00067

U parameter

6.9

Next Earth close approach

Date

2031-07-22

Nominal distance (from Earth center)

0.07916

11842897

Maximum Brightness

25.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.8

mag

Diameter

7 - 17*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-07

Observatory

GINOP-KHK, Piszkesteto

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

1.424942

1-sigma variation

0.000288

Unit

Eccentricity (e)

Value

0.398368

1-sigma variation

0.000153

Unit

Inclination (i)

Value

0.2448

1-sigma variation

0.0002

Unit

Long. of Ascending Node (Ω)

Value

121.7189

1-sigma variation

0.0223

Unit

Arg. of Perihelion (ω)

Value

107.4120

1-sigma variation

0.0205

Unit

Mean Anomaly (M)

Value

26.11416

1-sigma variation

0.00628

Unit

Perihelion distance

Value

0.857291

1-sigma variation

Unit

Aphelion distance

Value

1.992592

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.380209

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.052957

1-sigma variation

Unit

MOID

Value

0.000669

1-sigma variation

Unit

Orbit Period

Value

621.2896

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.26790E-8	4.41256E-8	4.80265E-8	6.21980E-6	-5.68084E-6	-1.80436E-6
e	4.41256E-8	2.35503E-8	2.56458E-8	3.32260E-6	-3.03480E-6	-9.63031E-7
i	4.80265E-8	2.56458E-8	2.84752E-8	3.74360E-6	-3.42642E-6	-1.04938E-6
Ω	6.21980E-6	3.32260E-6	3.74360E-6	4.97541E-4	-4.56095E-4	-1.36016E-4
ω	-5.68084E-6	-3.03480E-6	-3.42642E-6	-4.56095E-4	4.18208E-4	1.24241E-4
M	-1.80436E-6	-9.63031E-7	-1.04938E-6	-1.36016E-4	1.24241E-4	3.93820E-5

Date of computation: 2026-03-12 13:01 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

27.757

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

7 - 17*

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

0.623348

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-07.830869

Unit

Source

[2]

Last Observation

Value

2026-03-10.79448

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (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 2026EJ1 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	1952-05-24 16:47	> 1 mo	0.1524580	0.0016601	0.1791688
EARTH	1957-06-22 06:41	> 1 mo	0.1098865	0.0024665	0.1313419
EARTH	1962-07-12 12:47	> 1 mo	0.0287671	0.0021016	0.6216393
EARTH	1967-07-17 05:04	> 1 d	0.0091055	0.0021253	0.0278492
EARTH	1989-02-25 03:23	> 1 d	0.1925871	0.0946392	0.0326533
EARTH	1994-03-26 16:20	> 1 w	0.0879143	0.0028957	0.0341146
EARTH	1999-06-11 05:43	> 1 w	0.1322171	0.0736099	0.0195359
EARTH	2004-07-25 15:53	> 1 d	0.1228214	0.0020018	0.0425017
EARTH	2026-03-11 19:43	< 1 s	0.0052835	0.0052778	0.0000019
EARTH	2031-07-22 11:17	952.6	0.0791649	0.0512725	0.0092976
EARTH	2043-04-05 13:32	> 1 w	0.1109184	0.0669967	0.0146444
EARTH	2060-05-27 12:32	> 1 w	0.1468976	0.1279836	0.0063050
EARTH	2072-02-29 02:35	> 1 d	0.1485369	0.0374621	0.0370489
EARTH	2077-07-10 03:11	> 1 d	0.0403846	0.0006252	0.0293869
EARTH	2089-03-02 16:40	> 1 d	0.1098077	0.0031532	0.0657301
EARTH	2094-07-05 04:11	> 1 w	0.0686870	0.0004805	0.0790802
MARS	2101-06-25 08:41	> 1 d	0.0412562	0.0383975	0.0255692
EARTH	2111-06-01 13:44	> 1 w	0.1445106	0.0957969	0.0162403

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
44.01163033	188.13835767	0.00066869	MINIMUM
319.51494559	65.16555493	0.00315958	MINIMUM
2.06472871	126.97888947	0.15260466	SADDLE
180.88698749	305.69742960	1.00213534	SADDLE
2.02919517	306.94213293	1.84761276	SADDLE
180.90515479	125.71682644	3.00228544	MAXIMUM

Download:

MOID Plots

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