Asteroids

2026ES help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.695

Aphelion (Q)

3.347

Eccentricity (e)

0.656

Inclination (i)

6.7

deg

Orbit period (P)

1049.5

Earth MOID

0.00639

U parameter

7.5

Next Earth close approach

Date

2049-03-02

Nominal distance (from Earth center)

0.13392

20034768

Maximum Brightness

26.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

8 - 17*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-08

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

2.021072

1-sigma variation

0.001489

Unit

Eccentricity (e)

Value

0.656126

1-sigma variation

0.000292

Unit

Inclination (i)

Value

6.7429

1-sigma variation

0.0027

Unit

Long. of Ascending Node (Ω)

Value

166.7681

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

79.1910

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

15.53915

1-sigma variation

0.01444

Unit

Perihelion distance

Value

0.694995

1-sigma variation

Unit

Aphelion distance

Value

3.347149

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.032534

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.305023

1-sigma variation

Unit

MOID

Value

0.006389

1-sigma variation

Unit

Orbit Period

Value

1049.4727

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.21775E-6	4.34542E-7	4.02441E-6	1.16646E-7	-5.13684E-7	-2.15026E-5
e	4.34542E-7	8.51442E-8	7.88491E-7	2.28478E-8	-1.00419E-7	-4.21319E-6
i	4.02441E-6	7.88491E-7	7.31024E-6	2.12915E-7	-9.44408E-7	-3.90189E-5
Ω	1.16646E-7	2.28478E-8	2.12915E-7	6.37273E-9	-2.91639E-8	-1.13087E-6
ω	-5.13684E-7	-1.00419E-7	-9.44408E-7	-2.91639E-8	1.79442E-7	4.97727E-6
M	-2.15026E-5	-4.21319E-6	-3.90189E-5	-1.13087E-6	4.97727E-6	2.08483E-4

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

27.696

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

8 - 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

0.648443

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-08.376611

Unit

Source

[2]

Last Observation

Value

2026-03-10.129588

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

38 (2)

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 2026ES 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
VENUS	1966-03-17 01:15	> 1 mo	0.0360256	0.0283199	65.8243073
EARTH	1977-08-19 05:29	> 1 mo	0.0463895	0.0440146	4.5905359
EARTH	1980-03-08 09:16	> 1 w	0.0020450	0.0012382	0.2037064
EARTH	2003-02-27 03:26	> 1 w	0.1838340	0.0017925	0.1819228
MARS	2015-01-05 01:18	> 1 d	0.0290326	0.0289128	0.0060447
EARTH	2026-03-10 13:33	< 1 s	0.0070589	0.0070503	0.0000029
EARTH	2049-03-02 04:29	> 1 d	0.1339242	0.0066539	0.1289328
EARTH	2069-03-09 05:19	> 1 d	0.0105544	0.0078314	0.0361748
EARTH	2103-08-21 12:08	> 1 w	0.0379920	0.0370593	0.0481881
VENUS	2120-08-20 08:57	> 1 mo	0.0396977	0.0387488	0.2374194
EARTH	2123-08-31 07:59	> 1 mo	0.1723922	0.0305412	2.0550448

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
320.74118858	64.56688294	0.00638854	MINIMUM
40.99365002	221.04054837	0.04548453	MINIMUM
1.38827870	143.72132568	0.33293911	SADDLE
1.02672950	322.92953158	1.67920529	SADDLE
180.26874689	321.78327035	2.36941171	SADDLE
180.16754627	141.74167724	4.35515007	MAXIMUM

Download:

MOID Plots

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