Asteroids

2025DX2 help

Last update: 2025-02-23 10:01 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.493

Aphelion (Q)

1.392

Eccentricity (e)

0.477

Inclination (i)

13.1

deg

Orbit period (P)

334.3

Earth MOID

0.02987

U parameter

7.7

Next Earth close approach

Date

2025-02-23

Nominal distance (from Earth center)

0.03139

4695863

Maximum Brightness

20.3

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-21

Observatory

Kitt Peak-Bok

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

0.942688

1-sigma variation

0.000297

Unit

Eccentricity (e)

Value

0.476776

1-sigma variation

0.000609

Unit

Inclination (i)

Value

13.1347

1-sigma variation

0.0245

Unit

Long. of Ascending Node (Ω)

Value

147.7717

1-sigma variation

0.0023

Unit

Arg. of Perihelion (ω)

Value

131.8567

1-sigma variation

0.0051

Unit

Mean Anomaly (M)

Value

5.09294

1-sigma variation

0.04976

Unit

Perihelion distance

Value

0.493237

1-sigma variation

Unit

Aphelion distance

Value

1.392138

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.079990

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.458715

1-sigma variation

Unit

MOID

Value

0.029872

1-sigma variation

Unit

Orbit Period

Value

334.3105

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.83261E-8	1.81062E-7	7.26992E-6	6.79276E-7	-1.51022E-6	1.47867E-5
e	1.81062E-7	3.71252E-7	1.49119E-5	1.39428E-6	-3.09267E-6	3.03172E-5
i	7.26992E-6	1.49119E-5	5.99679E-4	5.61917E-5	-1.24037E-4	1.21759E-3
Ω	6.79276E-7	1.39428E-6	5.61917E-5	5.28606E-6	-1.15655E-5	1.13821E-4
ω	-1.51022E-6	-3.09267E-6	-1.24037E-4	-1.15655E-5	2.59463E-5	-2.52625E-4
M	1.47867E-5	3.03172E-5	1.21759E-3	1.13821E-4	-2.52625E-4	2.47580E-3

Date of computation: 2025-02-22 20:00 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

25.623

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

20 - 40*

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

1.0

Unit

Source

[1]

Normalized RMS of residuals

Value

0.49155

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-20.526643

Unit

Source

[2]

Last Observation

Value

2025-02-22.538427

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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 2025DX2 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	1950-02-21 11:50	> 1 w	0.0788722	0.0284950	0.4602565
EARTH	1971-02-23 19:46	> 1 w	0.1361246	0.0327315	0.2618555
EARTH	1982-02-23 15:00	> 1 d	0.0301023	0.0289813	0.0250450
EARTH	1993-02-20 09:54	> 1 d	0.1111729	0.0294442	0.0771955
EARTH	2014-02-24 03:36	766.2	0.1210526	0.0434061	0.0282565
EARTH	2025-02-23 14:02	< 1 min	0.0313899	0.0312486	0.0000471
EARTH	2036-02-21 10:03	1320.4	0.1098511	0.0340536	0.0289734
EARTH	2057-02-22 19:16	> 1 d	0.1616581	0.0380766	0.0574716
EARTH	2068-02-25 03:32	605.4	0.0660914	0.0313880	0.0636390
EARTH	2079-02-23 07:59	> 1 d	0.0489474	0.0312121	0.0488024
EARTH	2090-02-19 21:50	> 1 d	0.1483021	0.0545299	0.0327186
EARTH	2111-02-25 16:43	848.9	0.1263699	0.0505897	0.0271865
EARTH	2122-02-25 12:45	1280.5	0.0383338	0.0323561	0.0299321

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
262.57035222	51.66874164	0.02987159	MINIMUM
89.80085811	296.11473587	0.21411056	MINIMUM
173.81245418	354.51352195	0.45674495	SADDLE
355.43299531	170.10262886	0.53829964	SADDLE
358.45278700	355.38881682	1.47196291	SADDLE
181.19442427	178.87567879	2.40005409	MAXIMUM

Download:

MOID Plots

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