Asteroids

2025DF help

Last update: 2025-02-22 05:33 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.980

Aphelion (Q)

1.490

Eccentricity (e)

0.206

Inclination (i)

1.8

deg

Orbit period (P)

501.5

Earth MOID

0.00127

U parameter

5.0

Next Earth close approach

Date

2036-01-29

Nominal distance (from Earth center)

0.10646

15926085

Maximum Brightness

25.8

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

28.1

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-17

Observatory

Catalina Sky 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

1.235359

1-sigma variation

0.000011

Unit

Eccentricity (e)

Value

0.206421

1-sigma variation

0.000007

Unit

Inclination (i)

Value

1.7663

1-sigma variation

6.244E-6

Unit

Long. of Ascending Node (Ω)

Value

333.0954

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

195.8165

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

41.78968

1-sigma variation

0.00050

Unit

Perihelion distance

Value

0.980355

1-sigma variation

Unit

Aphelion distance

Value

1.490362

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.465895

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.002852

1-sigma variation

Unit

MOID

Value

0.001270

1-sigma variation

Unit

Orbit Period

Value

501.5197

1-sigma variation

Unit

U parameter

Value

5.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.21937E-10	7.97974E-11	1.67080E-11	7.10146E-10	-1.19955E-9	-5.47082E-9
e	7.97974E-11	5.22215E-11	1.10302E-11	4.64558E-10	-7.83987E-10	-3.58074E-9
i	1.67080E-11	1.10302E-11	3.89833E-11	2.03817E-11	3.49936E-11	-8.27570E-10
Ω	7.10146E-10	4.64558E-10	2.03817E-11	4.31154E-9	-7.38101E-9	-3.17221E-8
ω	-1.19955E-9	-7.83987E-10	3.49936E-11	-7.38101E-9	1.34677E-8	5.30104E-8
M	-5.47082E-9	-3.58074E-9	-8.27570E-10	-3.17221E-8	5.30104E-8	2.45880E-7

Date of computation: 2025-02-21 11:58 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

28.108

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

6 - 14*

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

0.659301

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-17.238576

Unit

Source

[2]

Last Observation

Value

2025-02-20.15507

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

82 (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 2025DF 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	1961-01-25 10:05	> 1 mo	0.1476292	0.0047600	67.0494635
EARTH	1974-02-28 06:16	> 1 mo	0.0042320	0.0016413	0.1466999
MARS	1992-03-03 20:29	551.0	0.0394259	0.0255260	0.0580329
EARTH	1996-02-10 16:21	> 1 d	0.0201503	0.0020942	0.0122899
EARTH	2012-02-08 12:37	314.2	0.0269287	0.0246457	0.0007613
EARTH	2025-02-19 07:08	< 1 s	0.0018623	0.0018622	0.0000000
EARTH	2036-01-29 22:02	96.3	0.1064593	0.1037354	0.0009080
EARTH	2062-04-28 18:35	43.4	0.0965650	0.0956908	0.0002915
EARTH	2073-04-06 18:12	269.5	0.0217708	0.0214885	0.0000993
EARTH	2084-05-03 16:32	377.5	0.1543096	0.1411199	0.0044027
EARTH	2102-01-25 02:26	396.5	0.1899039	0.1704923	0.0064711
EARTH	2113-02-14 00:41	> 1 d	0.0166040	0.0056884	0.0036387

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
345.45911983	48.09829348	0.00127038	MINIMUM
182.96617832	249.66454693	0.48455036	SADDLE
4.34792069	251.11756274	1.98607630	SADDLE
182.74175458	69.47508455	2.48409830	MAXIMUM

Download:

MOID Plots

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