Asteroids

2025DA6 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.886

Aphelion (Q)

1.758

Eccentricity (e)

0.330

Inclination (i)

1.9

deg

Orbit period (P)

555.3

Earth MOID

0.01702

U parameter

7.6

Next Earth close approach

Date

2056-10-20

Nominal distance (from Earth center)

0.03809

5698476

Maximum Brightness

20.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-23

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.322117

1-sigma variation

0.000649

Unit

Eccentricity (e)

Value

0.329892

1-sigma variation

0.000416

Unit

Inclination (i)

Value

1.9058

1-sigma variation

0.0027

Unit

Long. of Ascending Node (Ω)

Value

172.8683

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

274.5163

1-sigma variation

0.0031

Unit

Mean Anomaly (M)

Value

342.30305

1-sigma variation

0.25694

Unit

Perihelion distance

Value

0.885961

1-sigma variation

Unit

Aphelion distance

Value

1.758274

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.154920

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.203231

1-sigma variation

Unit

MOID

Value

0.017023

1-sigma variation

Unit

Orbit Period

Value

555.2690

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.21711E-7	2.70354E-7	1.72797E-6	-4.21298E-7	-2.00210E-6	-1.66853E-4
e	2.70354E-7	1.73322E-7	1.10783E-6	-2.70183E-7	-1.28373E-6	-1.06967E-4
i	1.72797E-6	1.10783E-6	7.09222E-6	-1.75511E-6	-8.23329E-6	-6.83643E-4
Ω	-4.21298E-7	-2.70183E-7	-1.75511E-6	5.06298E-7	2.04272E-6	1.66600E-4
ω	-2.00210E-6	-1.28373E-6	-8.23329E-6	2.04272E-6	9.65221E-6	7.92018E-4
M	-1.66853E-4	-1.06967E-4	-6.83643E-4	1.66600E-4	7.92018E-4	6.60168E-2

Date of computation: 2026-03-17 23:26 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

25.433

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

22 - 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

386

Unit

Source

[1]

Normalized RMS of residuals

Value

0.459691

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-23.493791

Unit

Source

[2]

Last Observation

Value

2025-03-11.187721

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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

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 2025DA6 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	1951-11-05 12:05	> 1 mo	0.0548548	0.0196340	1.0775536
EARTH	1955-02-08 10:23	> 1 mo	0.0250764	0.0180397	0.6685026
EARTH	1986-10-26 12:41	> 1 w	0.0227243	0.0199062	0.0307876
EARTH	1990-01-26 07:43	> 1 mo	0.0649099	0.0150517	0.0638725
EARTH	1993-02-26 14:01	> 1 d	0.1979068	0.0154292	0.0915364
MARS	2016-04-20 01:38	382.8	0.0479904	0.0367093	0.0152914
EARTH	2021-11-03 08:26	> 1 d	0.0501692	0.0232777	0.0103132
EARTH	2025-02-06 06:27	1.1	0.0313041	0.0311774	0.0000423
EARTH	2056-10-20 12:31	> 1 w	0.0380920	0.0204550	0.1079554
EARTH	2059-12-16 17:24	> 1 w	0.1030453	0.0953867	0.0026404
EARTH	2063-02-14 08:25	> 1 d	0.0256749	0.0154518	0.0342122
EARTH	2091-10-17 13:40	> 1 mo	0.0832102	0.0205583	0.4505890
EARTH	2094-12-15 05:55	> 1 mo	0.1023117	0.0423052	0.0244026
EARTH	2098-02-18 09:41	> 1 w	0.0612549	0.0154661	0.2420897
EARTH	2126-11-01 08:04	> 1 mo	0.0367920	0.0213719	1.3861557

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
40.32890429	40.14540586	0.01693056	MINIMUM
318.20390718	290.42843622	0.02045065	MINIMUM
359.07687967	345.05315569	0.10281908	SADDLE
179.57501694	165.62581369	0.74210812	SADDLE
359.16064732	165.17846149	1.90338312	SADDLE
179.61137236	345.65661598	2.74213309	MAXIMUM

Download:

MOID Plots

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