Asteroids

2026EL3 help

Last update: 2026-03-22 13:16 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.729

Aphelion (Q)

2.029

Eccentricity (e)

0.472

Inclination (i)

0.6

deg

Orbit period (P)

591.5

Earth MOID

0.00077

U parameter

7.3

Next Earth close approach

Date

2030-10-07

Nominal distance (from Earth center)

0.04485

6709701

Maximum Brightness

24.6

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

27.9

mag

Diameter

7 - 16*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-14

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

1.379070

1-sigma variation

0.000441

Unit

Eccentricity (e)

Value

0.471591

1-sigma variation

0.000237

Unit

Inclination (i)

Value

0.6117

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

14.6100

1-sigma variation

0.0016

Unit

Arg. of Perihelion (ω)

Value

76.9528

1-sigma variation

0.0012

Unit

Mean Anomaly (M)

Value

85.68602

1-sigma variation

0.04653

Unit

Perihelion distance

Value

0.728713

1-sigma variation

Unit

Aphelion distance

Value

2.029427

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.028841

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.197378

1-sigma variation

Unit

MOID

Value

0.000766

1-sigma variation

Unit

Orbit Period

Value

591.5318

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.94445E-7	1.04393E-7	1.52923E-7	-6.30095E-7	4.38027E-7	-2.05160E-5
e	1.04393E-7	5.60463E-8	8.21066E-8	-3.38426E-7	2.35253E-7	-1.10145E-5
i	1.52923E-7	8.21066E-8	1.20873E-7	-5.14122E-7	3.61873E-7	-1.61348E-5
Ω	-6.30095E-7	-3.38426E-7	-5.14122E-7	2.62569E-6	-1.97328E-6	6.64760E-5
ω	4.38027E-7	2.35253E-7	3.61873E-7	-1.97328E-6	1.52123E-6	-4.62122E-5
M	-2.05160E-5	-1.10145E-5	-1.61348E-5	6.64760E-5	-4.62122E-5	2.16465E-3

Date of computation: 2026-03-22 13:16 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

27.863

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 - 16*

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

[-]

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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

0.666462

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-13.4253

Unit

Source

[2]

Last Observation

Value

2026-03-22.16943

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (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 2026EL3 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	1955-09-30 18:55	> 1 w	0.0487134	0.0009321	0.1413731
EARTH	1964-02-25 12:14	> 1 w	0.1312369	0.0028995	0.0431037
EARTH	1968-10-06 16:04	> 1 d	0.0413606	0.0037828	0.0125303
MARS	1969-04-09 00:17	557.0	0.0164710	0.0132682	0.0041355
VENUS	1972-03-06 03:05	> 1 w	0.0182481	0.0015516	0.0246946
EARTH	1977-03-18 14:29	> 1 d	0.1061869	0.0043146	0.0931657
EARTH	1995-02-22 00:38	> 1 w	0.1451865	0.0032103	0.0566832
MARS	1998-01-03 22:35	> 1 d	0.0352836	0.0341583	0.0118040
EARTH	1999-10-17 19:20	> 1 w	0.1212769	0.0022227	0.0478319
VENUS	2014-08-23 22:50	> 1 d	0.0365541	0.0203498	0.0055137
EARTH	2017-09-30 04:30	1414.6	0.0635886	0.0126895	0.0169892
VENUS	2019-07-05 02:44	> 1 d	0.0222666	0.0040180	0.0125720
EARTH	2026-03-12 14:11	< 1 s	0.0057153	0.0057066	0.0000029
EARTH	2030-10-07 10:31	> 1 d	0.0448516	0.0010827	0.0147133
EARTH	2039-02-07 08:16	> 1 d	0.1907824	0.1609464	0.0099454
MARS	2042-08-16 16:41	479.5	0.0152216	0.0133333	0.0052195
EARTH	2043-09-26 21:48	1247.4	0.1188422	0.0710571	0.0159289
MARS	2058-03-12 14:49	200.7	0.0348719	0.0334987	0.0014399
EARTH	2073-03-21 23:28	799.2	0.1508184	0.1148285	0.0119983
EARTH	2086-03-17 15:20	1205.4	0.0681331	0.0230685	0.0150763
EARTH	2090-11-06 01:20	> 1 d	0.1876617	0.1718419	0.0052734
VENUS	2095-10-17 01:43	495.5	0.0215245	0.0186926	0.0009466
EARTH	2099-03-14 03:21	450.4	0.0069281	0.0035530	0.0033213
EARTH	2121-10-08 03:18	> 1 w	0.0206176	0.0001485	0.2347947

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
305.53430773	266.79514948	0.00076641	MINIMUM
53.65588460	66.60869116	0.00406708	MINIMUM
359.44941202	346.54046455	0.25537647	SADDLE
179.80046050	166.93136457	1.01312283	SADDLE
359.42025293	166.50255425	1.74509205	SADDLE
179.80341103	346.93662966	3.01331580	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026EL3

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2075-10-04.419	79214.419	-3.981	0.60 ± 0.003	2.00E6	1.71E-10	4.05E-2	-11.06
2078-10-03.817	80309.817	-2.908	1.28 ± 0.003	3.17E6	1.24E-9	4.05E-2	-10.22
2081-10-04.126	81406.126	3.737	0.07 ± 0.003	4.27E6	2.29E-10	4.09E-2	-10.98
2090-10-05.776	84694.776	-3.817	0.41 ± 0.027	1.17E6	6.14E-10	4.06E-2	-10.62
2097-10-04.376	87250.376	-3.548	0.50 ± 0.003	1.66E6	1.09E-9	4.02E-2	-10.41
2105-10-05.894	90172.894	4.387	0.36 ± 0.003	2.06E6	3.26E-11	4.10E-2	-11.98
2105-10-05.911	90172.911	-2.258	0.41 ± 0.003	2.00E7	3.93E-9	4.04E-2	-9.90
2120-10-04.829	95650.829	-3.967	0.28 ± 0.003	1.18E7	3.33E-11	4.04E-2	-12.05


Based on 64 optical observations (of which 2 are rejected as outliers) from 2026/03/13.425 to 2026/03/22.169.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.32 and 1.32 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260322 141820.564 UTC.

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