Asteroids

2025DA help

Last update: 2025-02-22 05:04 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.647

Aphelion (Q)

4.928

Eccentricity (e)

0.768

Inclination (i)

5.7

deg

Orbit period (P)

1700.2

Earth MOID

0.07318

U parameter

9.0

Next Earth close approach

Date

2039-01-16

Nominal distance (from Earth center)

0.09982

14932224

Maximum Brightness

20.2

mag

Risk

Object is in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

22.1

mag

Diameter

100 - 230*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-16

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.787864

1-sigma variation

0.047500

Unit

Eccentricity (e)

Value

0.767780

1-sigma variation

0.004121

Unit

Inclination (i)

Value

5.6941

1-sigma variation

0.0368

Unit

Long. of Ascending Node (Ω)

Value

8.0531

1-sigma variation

0.2165

Unit

Arg. of Perihelion (ω)

Value

32.9662

1-sigma variation

0.2589

Unit

Mean Anomaly (M)

Value

30.46470

1-sigma variation

0.80061

Unit

Perihelion distance

Value

0.647398

1-sigma variation

Unit

Aphelion distance

Value

4.928329

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.304828

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.217864

1-sigma variation

Unit

MOID

Value

0.073181

1-sigma variation

Unit

Orbit Period

Value

1700.2225

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.25630E-3	1.95727E-4	1.74799E-3	-1.02680E-2	1.22634E-2	-3.80295E-2
e	1.95727E-4	1.69798E-5	1.51591E-4	-8.90303E-4	1.06316E-3	-3.29896E-3
i	1.74799E-3	1.51591E-4	1.35578E-3	-7.97103E-3	9.52551E-3	-2.94615E-2
Ω	-1.02680E-2	-8.90303E-4	-7.97103E-3	4.68937E-2	-5.60624E-2	1.73061E-1
ω	1.22634E-2	1.06316E-3	9.52551E-3	-5.60624E-2	6.70441E-2	-2.06689E-1
M	-3.80295E-2	-3.29896E-3	-2.94615E-2	1.73061E-1	-2.06689E-1	6.40981E-1

Date of computation: 2025-02-19 16:27 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

22.078

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

100 - 230*

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

0.628723

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-13.383345

Unit

Source

[2]

Last Observation

Value

2025-02-19.34478

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

30 (1)

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 2025DA from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1967-08-22 05:59	> 1 mo	0.1887470	0.1358607	7.7618595
EARTH	1991-09-17 04:33	> 1 mo	0.1968051	0.1465406	3.1131215
JUPITER	1994-05-21 15:22	> 1 mo	0.6046796	0.0492408	0.3512565
JUPITER	2018-02-28 13:22	> 1 mo	0.6499964	0.5715747	0.0283171
EARTH	2025-01-23 12:29	8.1	0.1154893	0.1136466	0.0006142
EARTH	2039-01-16 04:58	> 1 mo	0.0998157	0.0913981	0.8387060
EARTH	2089-08-12 21:01	> 1 mo	0.0614867	0.0560948	0.9705113
JUPITER	2101-01-27 18:33	> 1 mo	0.6681207	0.3343500	0.1575563
EARTH	2103-08-28 08:46	> 1 mo	0.0940031	0.0199109	1.4524346
EARTH	2118-01-23 20:58	> 1 w	0.0872357	0.0483415	0.2469623
JUPITER	2124-11-03 13:17	> 1 w	0.6172914	0.5391076	0.0475700

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.54384651	220.20082338	0.07318059	MINIMUM
32.62084301	16.44260409	0.09150667	MINIMUM
359.55584313	298.69512022	0.34725962	SADDLE
359.04815855	117.33305924	1.65440123	SADDLE
179.91554411	118.45912866	3.92249747	SADDLE
179.82605647	298.42931333	5.91919395	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025DA

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS	TS
2123-01-30.369	96498.369	0.955	0.000	0.25 ± 1.249	7.38E6	3.86E-8	1.12E-5	-5.91	0


Based on 30 optical observations (of which 1 are rejected as outliers) from 2025/02/13.383 to 2025/02/19.345.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.11 and 1.11 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250219 170933.256 UTC.

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Download Impactor Table as: