Asteroids

2025DX1 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.600

Aphelion (Q)

1.258

Eccentricity (e)

0.354

Inclination (i)

19.3

deg

Orbit period (P)

326.9

Earth MOID

0.06774

U parameter

8.7

Next Earth close approach

Date

2025-02-27

Nominal distance (from Earth center)

0.07448

11142500

Maximum Brightness

21.6

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-20

Observatory

Mt. Lemmon Survey

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

0.928793

1-sigma variation

0.001331

Unit

Eccentricity (e)

Value

0.354189

1-sigma variation

0.004026

Unit

Inclination (i)

Value

19.2923

1-sigma variation

0.4427

Unit

Long. of Ascending Node (Ω)

Value

330.5246

1-sigma variation

0.0184

Unit

Arg. of Perihelion (ω)

Value

316.2469

1-sigma variation

0.0982

Unit

Mean Anomaly (M)

Value

341.33014

1-sigma variation

0.40552

Unit

Perihelion distance

Value

0.599825

1-sigma variation

Unit

Aphelion distance

Value

1.257761

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.363868

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.102517

1-sigma variation

Unit

MOID

Value

0.067740

1-sigma variation

Unit

Orbit Period

Value

326.9465

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.77120E-6	5.32772E-6	5.65387E-4	2.33627E-5	-1.06918E-4	5.37529E-4
e	5.32772E-6	1.62057E-5	1.75342E-3	7.26632E-5	-2.97690E-4	1.60157E-3
i	5.65387E-4	1.75342E-3	1.95966E-1	8.15907E-3	-2.71063E-2	1.67078E-1
Ω	2.33627E-5	7.26632E-5	8.15907E-3	3.39929E-4	-1.09221E-3	6.88602E-3
ω	-1.06918E-4	-2.97690E-4	-2.71063E-2	-1.09221E-3	9.63903E-3	-3.44925E-2
M	5.37529E-4	1.60157E-3	1.67078E-1	6.88602E-3	-3.44925E-2	1.64450E-1

Date of computation: 2025-02-22 05:00 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

25.581

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 - 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

0.505301

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-20.305933

Unit

Source

[2]

Last Observation

Value

2025-02-22.12964

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

14 (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 2025DX1 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	1957-02-24 06:47	> 1 mo	0.1374291	0.0752061	0.5782627
EARTH	1974-02-26 15:12	> 1 w	0.0980914	0.0683758	0.4850605
EARTH	1991-02-27 17:56	> 1 d	0.0765860	0.0665858	0.2072975
EARTH	2008-02-28 05:41	> 1 d	0.0714636	0.0665668	0.0627088
EARTH	2025-02-27 11:20	29.3	0.0744830	0.0698546	0.0015428
EARTH	2042-02-27 03:49	> 1 d	0.0920632	0.0684608	0.1297728
EARTH	2059-02-25 08:03	> 1 w	0.1348172	0.0762727	0.2738795
EARTH	2068-02-26 23:33	> 1 w	0.1588502	0.0701921	0.3510258
EARTH	2076-02-21 17:02	> 1 w	0.1843844	0.0941110	0.2782646
EARTH	2085-02-27 09:12	> 1 d	0.1092678	0.0686685	0.2516371
EARTH	2102-03-01 01:05	> 1 d	0.0882345	0.0681388	0.1060245
EARTH	2119-03-01 07:58	236.4	0.0890629	0.0747494	0.0060770

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
251.28128665	55.97907301	0.06774033	MINIMUM
71.17698827	276.09307998	0.28562915	MINIMUM
154.40148485	348.27244077	0.40303546	SADDLE
343.66345730	161.75054440	0.47025567	SADDLE
354.80360705	358.60456473	1.57215888	SADDLE
183.50425809	188.47690091	2.25968024	MAXIMUM

Download:

MOID Plots

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