Asteroids

2025DV4 help

Last update: 2025-03-13 23:54 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.929

Aphelion (Q)

1.432

Eccentricity (e)

0.213

Inclination (i)

8.2

deg

Orbit period (P)

468.5

Earth MOID

0.04525

U parameter

7.5

Next Earth close approach

Date

2025-03-15

Nominal distance (from Earth center)

0.04606

6891102

Maximum Brightness

20.7

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-22

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

1.180568

1-sigma variation

0.000409

Unit

Eccentricity (e)

Value

0.212927

1-sigma variation

0.000343

Unit

Inclination (i)

Value

8.2223

1-sigma variation

0.0119

Unit

Long. of Ascending Node (Ω)

Value

339.5263

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

255.6113

1-sigma variation

0.0025

Unit

Mean Anomaly (M)

Value

357.74952

1-sigma variation

0.00982

Unit

Perihelion distance

Value

0.929193

1-sigma variation

Unit

Aphelion distance

Value

1.431943

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.181483

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.079380

1-sigma variation

Unit

MOID

Value

0.045253

1-sigma variation

Unit

Orbit Period

Value

468.5274

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.67240E-7	1.40080E-7	4.85236E-6	2.95041E-7	-9.99855E-7	4.01699E-6
e	1.40080E-7	1.17333E-7	4.06428E-6	2.47151E-7	-8.37198E-7	3.36453E-6
i	4.85236E-6	4.06428E-6	1.40791E-4	8.55937E-6	-2.90160E-5	1.16551E-4
Ω	2.95041E-7	2.47151E-7	8.55937E-6	5.21074E-7	-1.76010E-6	7.08552E-6
ω	-9.99855E-7	-8.37198E-7	-2.90160E-5	-1.76010E-6	6.03137E-6	-2.40362E-5
M	4.01699E-6	3.36453E-6	1.16551E-4	7.08552E-6	-2.40362E-5	9.64940E-5

Date of computation: 2025-03-11 14:31 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

25.423

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

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.608532

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-22.449702

Unit

Source

[2]

Last Observation

Value

2025-03-11.222209

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

33 (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 2025DV4 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	1957-05-16 11:50	> 1 d	0.1598468	0.1565304	0.0011071
EARTH	1957-08-08 20:55	570.7	0.1738719	0.1667047	0.0023906
EARTH	1966-03-17 21:36	> 1 d	0.0671688	0.0428910	0.0391471
EARTH	1975-03-12 18:29	> 1 d	0.0653888	0.0437669	0.0806417
EARTH	1998-08-03 00:52	> 1 d	0.1261269	0.0901676	0.0608810
EARTH	2007-07-31 03:44	341.0	0.1044818	0.0903346	0.0262026
EARTH	2016-04-12 19:01	> 1 w	0.1433089	0.0788592	0.0217023
EARTH	2025-03-15 06:41	< 1 min	0.0460642	0.0458685	0.0000652
EARTH	2034-03-08 17:06	> 1 d	0.1451668	0.0661856	0.0280548
EARTH	2048-08-05 17:37	> 1 d	0.1873787	0.0869915	0.0510472
EARTH	2057-07-31 17:41	> 1 d	0.0899547	0.0894525	0.0068690
EARTH	2066-08-03 16:23	> 1 w	0.1478135	0.0927421	0.0768190
EARTH	2075-03-20 12:53	> 1 w	0.0918546	0.0417531	0.1103809
EARTH	2084-03-13 08:20	> 1 d	0.0551456	0.0462102	0.0672722
EARTH	2107-08-04 14:26	> 1 d	0.1145500	0.0878314	0.0867737
EARTH	2116-08-01 07:34	> 1 d	0.1164050	0.0871316	0.0694793
EARTH	2125-03-23 17:00	> 1 w	0.1121221	0.0374349	0.0771510

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
309.30767593	70.97977798	0.04525341	MINIMUM
61.13714401	206.06050034	0.09023224	MINIMUM
8.65791341	142.98630074	0.16095107	SADDLE
184.17975086	316.61024559	0.47375653	SADDLE
3.64415931	316.63881544	1.91288468	SADDLE
181.67967733	134.60379529	2.43737012	MAXIMUM

Download:

MOID Plots

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