Asteroids

2025DA7 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.959

Aphelion (Q)

4.108

Eccentricity (e)

0.621

Inclination (i)

3.2

deg

Orbit period (P)

1472.8

Earth MOID

0.00344

U parameter

9.0

Next Earth close approach

Date

2029-04-30

Nominal distance (from Earth center)

0.00624

933926

Maximum Brightness

16.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-22

Observatory

University of Arizona 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.533389

1-sigma variation

0.027103

Unit

Eccentricity (e)

Value

0.621492

1-sigma variation

0.004130

Unit

Inclination (i)

Value

3.1838

1-sigma variation

0.0160

Unit

Long. of Ascending Node (Ω)

Value

43.8699

1-sigma variation

0.0852

Unit

Arg. of Perihelion (ω)

Value

147.2862

1-sigma variation

0.0646

Unit

Mean Anomaly (M)

Value

107.25401

1-sigma variation

1.71984

Unit

Perihelion distance

Value

0.958908

1-sigma variation

Unit

Aphelion distance

Value

4.107870

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.269908

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012576

1-sigma variation

Unit

MOID

Value

0.003442

1-sigma variation

Unit

Orbit Period

Value

1472.8255

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.34555E-4	1.11935E-4	4.33576E-4	2.11453E-3	-1.51226E-3	-4.66123E-2
e	1.11935E-4	1.70572E-5	6.60704E-5	3.22214E-4	-2.30438E-4	-7.10301E-3
i	4.33576E-4	6.60704E-5	2.55932E-4	1.24474E-3	-8.89409E-4	-2.75132E-2
Ω	2.11453E-3	3.22214E-4	1.24474E-3	7.26440E-3	-5.47294E-3	-1.34197E-1
ω	-1.51226E-3	-2.30438E-4	-8.89409E-4	-5.47294E-3	4.17824E-3	9.59786E-2
M	-4.66123E-2	-7.10301E-3	-2.75132E-2	-1.34197E-1	9.59786E-2	2.95786E0

Date of computation: 2026-06-04 23:11 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

24.342

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

40 - 80*

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

501

Unit

Source

[1]

Normalized RMS of residuals

Value

0.442142

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-22.200638

Unit

Source

[2]

Last Observation

Value

2025-02-26.17752

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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2025DA7 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	1966-05-28 12:18	> 1 mo	0.0325448	0.0144984	755.6747316
EARTH	1997-05-30 18:55	> 1 mo	0.1456919	0.0104111	114.9295643
EARTH	2001-05-13 22:25	> 1 mo	0.0067002	0.0063392	0.6389368
EARTH	2005-03-23 04:43	> 1 mo	0.1019768	0.0842209	0.3675616
EARTH	2009-02-09 10:27	> 1 mo	0.0992009	0.0531659	1.5889471
EARTH	2013-02-23 23:47	> 1 mo	0.0524549	0.0505580	0.2083673
EARTH	2017-02-15 15:10	> 1 mo	0.0882780	0.0518587	0.5758318
EARTH	2021-02-06 18:27	> 1 w	0.1870046	0.0537532	0.4047493
EARTH	2025-03-12 00:08	3.5	0.0451485	0.0443333	0.0002717
EARTH	2029-04-30 00:54	> 1 mo	0.0062429	0.0026665	0.2416099
EARTH	2033-04-04 16:22	> 1 mo	0.0486942	0.0369116	1.2494924
MARS	2033-06-24 19:27	> 1 mo	0.0323013	0.0311274	1.9719379
EARTH	2037-05-07 06:33	> 1 mo	0.0742759	0.0086677	13.7082398
MARS	2082-05-10 21:35	> 1 mo	0.0292275	0.0287143	0.8860699
EARTH	2086-03-07 11:32	> 1 mo	0.1249338	0.0369271	7.2258542

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
14.59705005	118.68397486	0.00304910	MINIMUM
349.77418668	67.98610080	0.04543511	MINIMUM
358.66343377	86.10107696	0.05097891	SADDLE
1.25227211	271.45223684	1.95952235	SADDLE
180.27143661	270.26876524	3.10762243	SADDLE
180.32404127	90.29421393	5.10808519	MAXIMUM

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MOID Plots

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