Asteroids

2026DA1 help

Last update: 2026-02-23 13:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.017

Aphelion (Q)

1.374

Eccentricity (e)

0.149

Inclination (i)

0.7

deg

Orbit period (P)

477.5

Earth MOID

0.02726

U parameter

7.1

Next Earth close approach

Date

2026-03-04

Nominal distance (from Earth center)

0.03314

4957587

Maximum Brightness

20.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-19

Observatory

Pan-STARRS 2, Haleakala

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

1.195570

1-sigma variation

0.000224

Unit

Eccentricity (e)

Value

0.149133

1-sigma variation

0.000139

Unit

Inclination (i)

Value

0.6877

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

150.0052

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

0.4469

1-sigma variation

0.0120

Unit

Mean Anomaly (M)

Value

290.82711

1-sigma variation

0.01539

Unit

Perihelion distance

Value

1.017271

1-sigma variation

Unit

Aphelion distance

Value

1.373868

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.028038

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.361727

1-sigma variation

Unit

MOID

Value

0.027262

1-sigma variation

Unit

Orbit Period

Value

477.4861

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.03358E-8	3.12412E-8	1.28322E-7	-3.82395E-7	1.82822E-6	3.13759E-6
e	3.12412E-8	1.94206E-8	7.86744E-8	-2.35714E-7	1.18310E-6	1.91190E-6
i	1.28322E-7	7.86744E-8	3.59867E-7	-1.02732E-6	3.12800E-6	9.12217E-6
Ω	-3.82395E-7	-2.35714E-7	-1.02732E-6	2.99636E-6	-1.13304E-5	-2.57138E-5
ω	1.82822E-6	1.18310E-6	3.12800E-6	-1.13304E-5	1.43346E-4	5.76042E-5
M	3.13759E-6	1.91190E-6	9.12217E-6	-2.57138E-5	5.76042E-5	2.36852E-4

Date of computation: 2026-02-23 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

26.522

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

13 - 29*

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

0.6

Unit

Source

[1]

Normalized RMS of residuals

Value

0.661047

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-19.246723

Unit

Source

[2]

Last Observation

Value

2026-02-23.29369

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (0)

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 2026DA1 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	1966-02-09 00:46	> 1 d	0.0603126	0.0154173	0.0150185
EARTH	1978-12-25 07:54	> 1 mo	0.1491225	0.0214246	0.0600697
EARTH	1979-03-22 02:16	> 1 d	0.1335088	0.0031977	0.0805298
EARTH	1996-02-02 00:21	> 1 d	0.1271594	0.0004748	0.0801465
EARTH	1996-04-17 13:24	> 1 mo	0.1430339	0.0715681	0.0649271
EARTH	2009-03-12 16:08	> 1 d	0.0616636	0.0002840	0.0254460
EARTH	2026-03-04 09:47	19.5	0.0331394	0.0330450	0.0000315
MARS	2041-05-05 07:16	> 1 d	0.0370592	0.0358414	0.0033694
EARTH	2047-03-21 23:18	> 1 d	0.1119928	0.0032660	0.0369001
EARTH	2072-02-21 02:05	> 1 w	0.0323590	0.0116977	0.0183617
EARTH	2089-03-15 02:57	> 1 mo	0.0590399	0.0004739	0.3920634
MARS	2097-09-18 14:58	> 1 mo	0.0395942	0.0291923	0.0933160
EARTH	2110-03-24 21:57	> 1 mo	0.1141072	0.0037289	2.3737323

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
4.97310664	54.13853185	0.02726240	MINIMUM
183.88055426	233.06509300	0.36222745	SADDLE
5.32510629	234.52755212	2.02874240	SADDLE
183.78412190	52.96935079	2.36374721	MAXIMUM

Download:

MOID Plots

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