Asteroids

2026DL1 help

Last update: 2026-02-22 13:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.796

Aphelion (Q)

3.248

Eccentricity (e)

0.606

Inclination (i)

3.8

deg

Orbit period (P)

1050.0

Earth MOID

0.00736

U parameter

7.2

Next Earth close approach

Date

2028-10-18

Nominal distance (from Earth center)

0.05307

7938814

Maximum Brightness

21.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.2

mag

Diameter

24 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-19

Observatory

ATLAS South Africa, Sutherland

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.021782

1-sigma variation

0.000878

Unit

Eccentricity (e)

Value

0.606442

1-sigma variation

0.000190

Unit

Inclination (i)

Value

3.7656

1-sigma variation

0.0010

Unit

Long. of Ascending Node (Ω)

Value

156.1934

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

292.1967

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

343.09004

1-sigma variation

0.00971

Unit

Perihelion distance

Value

0.795690

1-sigma variation

Unit

Aphelion distance

Value

3.247875

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.049165

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.647773

1-sigma variation

Unit

MOID

Value

0.007365

1-sigma variation

Unit

Orbit Period

Value

1050.0261

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.70972E-7	1.66819E-7	9.10580E-7	-1.07540E-8	-2.10455E-7	8.52524E-6
e	1.66819E-7	3.60969E-8	1.96912E-7	-2.21005E-9	-4.60612E-8	1.84470E-6
i	9.10580E-7	1.96912E-7	1.09149E-6	-2.87547E-8	-1.98826E-7	1.00651E-5
Ω	-1.07540E-8	-2.21005E-9	-2.87547E-8	1.65145E-8	-4.78266E-8	-1.14890E-7
ω	-2.10455E-7	-4.60612E-8	-1.98826E-7	-4.78266E-8	2.64425E-7	-2.34581E-6
M	8.52524E-6	1.84470E-6	1.00651E-5	-1.14890E-7	-2.34581E-6	9.42722E-5

Date of computation: 2026-02-22 13:15 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

25.204

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

24 - 50*

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

0.560214

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-19.905215

Unit

Source

[2]

Last Observation

Value

2026-02-21.973991

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

72 (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

Close Approaches for 2026DL1 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	1954-02-11 00:23	> 1 d	0.0585295	0.0100098	0.0359281
EARTH	1956-10-07 13:24	> 1 d	0.1470194	0.0464317	0.0481540
EARTH	1977-02-28 13:51	> 1 d	0.1641899	0.0091745	0.0983117
EARTH	1979-10-30 16:08	> 1 w	0.0940313	0.0483560	0.0698254
1 Ceres	2000-11-21 05:28	> 1 d	0.0152497	0.0061002	0.0392071
EARTH	2003-02-01 21:46	> 1 w	0.1081860	0.0038167	0.0686339
EARTH	2026-02-19 00:21	< 1 s	0.0082961	0.0082889	0.0000024
EARTH	2028-10-18 02:01	> 1 d	0.0530677	0.0512393	0.0030165
EARTH	2052-02-01 07:47	> 1 w	0.1177912	0.0003181	0.1091414
EARTH	2054-10-08 01:54	> 1 w	0.1664513	0.0506727	0.1438564
EARTH	2078-02-04 20:03	> 1 w	0.0949046	0.0033817	0.0771732
EARTH	2080-10-13 08:15	> 1 d	0.1138237	0.0535586	0.0623807
EARTH	2104-02-21 05:45	> 1 w	0.0154223	0.0054279	0.1526319
EARTH	2106-10-27 15:37	> 1 mo	0.0678727	0.0548606	0.2908514
MARS	2124-02-08 06:22	> 1 mo	0.0449195	0.0052859	4.2795616

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
32.73077475	47.72280578	0.00736472	MINIMUM
326.42963417	285.26227482	0.04997317	MINIMUM
359.03324934	345.48182692	0.19596873	SADDLE
359.55010595	166.51579876	1.81256346	SADDLE
179.85691869	166.98896110	2.23289241	SADDLE
179.93794858	347.03166497	4.23045530	MAXIMUM

Download:

MOID Plots

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