Asteroids

2025DR3 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.105

Aphelion (Q)

1.375

Eccentricity (e)

0.109

Inclination (i)

9.1

deg

Orbit period (P)

504.2

Earth MOID

0.16194

U parameter

8.4

Next Earth close approach

Date

2043-07-05

Nominal distance (from Earth center)

0.19715

29493609

Maximum Brightness

22.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.7

mag

Diameter

30 - 70*

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.239760

1-sigma variation

0.001674

Unit

Eccentricity (e)

Value

0.108814

1-sigma variation

0.000627

Unit

Inclination (i)

Value

9.1137

1-sigma variation

0.0617

Unit

Long. of Ascending Node (Ω)

Value

141.8603

1-sigma variation

0.0120

Unit

Arg. of Perihelion (ω)

Value

71.8008

1-sigma variation

0.0153

Unit

Mean Anomaly (M)

Value

143.41987

1-sigma variation

0.33728

Unit

Perihelion distance

Value

1.104857

1-sigma variation

Unit

Aphelion distance

Value

1.374664

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.197262

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.254277

1-sigma variation

Unit

MOID

Value

0.161943

1-sigma variation

Unit

Orbit Period

Value

504.2025

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.80367E-6	1.04848E-6	1.03250E-4	1.99785E-5	-2.32199E-5	-5.64740E-4
e	1.04848E-6	3.92974E-7	3.85687E-5	7.44291E-6	-8.49694E-6	-2.11250E-4
i	1.03250E-4	3.85687E-5	3.80451E-3	7.37145E-4	-8.64172E-4	-2.07948E-2
Ω	1.99785E-5	7.44291E-6	7.37145E-4	1.43288E-4	-1.71454E-4	-4.02241E-3
ω	-2.32199E-5	-8.49694E-6	-8.64172E-4	-1.71454E-4	2.32762E-4	4.66408E-3
M	-5.64740E-4	-2.11250E-4	-2.07948E-2	-4.02241E-3	4.66408E-3	1.13759E-1

Date of computation: 2025-11-24 16:53 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

24.721

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

30 - 70*

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

367

Unit

Source

[1]

Normalized RMS of residuals

Value

0.414178

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-21.281284

Unit

Source

[2]

Last Observation

Value

2025-03-03.348561

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (2)

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

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 2025DR3 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	1956-03-05 15:34	> 1 mo	0.1659594	0.1635423	0.1451644
EARTH	1985-03-22 06:28	> 1 mo	0.1688417	0.1646397	0.1023468
EARTH	2014-06-16 08:45	> 1 mo	0.1949384	0.1946355	0.0055110
EARTH	2025-02-28 16:54	49.8	0.1759063	0.1726063	0.0011000
EARTH	2043-07-05 13:16	> 1 mo	0.1971526	0.1957987	0.0231560
EARTH	2054-03-13 01:23	> 1 mo	0.1631075	0.1629946	0.0069931
EARTH	2083-03-26 11:21	> 1 mo	0.1742448	0.1678082	0.1846011
EARTH	2112-06-21 02:03	> 1 mo	0.1930532	0.1927813	0.0380267
EARTH	2123-03-04 22:01	> 1 mo	0.1728646	0.1679743	0.2560325

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
323.20376862	70.49685639	0.16194319	MINIMUM
53.11896681	170.86331164	0.19289789	MINIMUM
25.96131961	140.75670175	0.19621735	SADDLE
190.36610608	302.16000240	0.42256557	SADDLE
8.09703048	300.49720181	2.09162240	SADDLE
184.65415775	117.01623543	2.37581463	MAXIMUM

Download:

MOID Plots

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