Asteroids

2025RF help

Last update: 2025-09-03 13:31 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.497

Aphelion (Q)

3.269

Eccentricity (e)

0.736

Inclination (i)

5.2

deg

Orbit period (P)

943.8

Earth MOID

0.01002

U parameter

7.8

Next Earth close approach

Date

2049-03-12

Nominal distance (from Earth center)

0.17334

25930964

Maximum Brightness

25.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

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

1.882983

1-sigma variation

0.002011

Unit

Eccentricity (e)

Value

0.736080

1-sigma variation

0.000356

Unit

Inclination (i)

Value

5.2206

1-sigma variation

0.0035

Unit

Long. of Ascending Node (Ω)

Value

334.0783

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

107.6966

1-sigma variation

0.0013

Unit

Mean Anomaly (M)

Value

11.96425

1-sigma variation

0.01377

Unit

Perihelion distance

Value

0.496956

1-sigma variation

Unit

Aphelion distance

Value

3.269010

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.100125

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.285110

1-sigma variation

Unit

MOID

Value

0.010022

1-sigma variation

Unit

Orbit Period

Value

943.7742

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.04591E-6	7.15989E-7	6.99763E-6	1.71754E-6	-2.51913E-6	-2.76980E-5
e	7.15989E-7	1.26708E-7	1.23828E-6	3.03860E-7	-4.45308E-7	-4.90159E-6
i	6.99763E-6	1.23828E-6	1.22026E-5	3.07088E-6	-4.46873E-6	-4.79064E-5
Ω	1.71754E-6	3.03860E-7	3.07088E-6	8.30450E-7	-1.18677E-6	-1.17595E-5
ω	-2.51913E-6	-4.45308E-7	-4.46873E-6	-1.18677E-6	1.78356E-6	1.72515E-5
M	-2.76980E-5	-4.90159E-6	-4.79064E-5	-1.17595E-5	1.72515E-5	1.89619E-4

Date of computation: 2025-09-03 13:31 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

26.465

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

14 - 30*

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

1.0

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.802288

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-01.868317

Unit

Source

[2]

Last Observation

Value

2025-09-02.82867

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (1)

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 2025RF 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	1950-09-13 12:01	> 1 mo	0.1828991	0.0017047	1.1185043
EARTH	1974-03-21 19:53	> 1 w	0.0385124	0.0383218	0.0242254
EARTH	1994-08-24 17:11	> 1 w	0.1800198	0.0058600	0.2247434
EARTH	2005-03-29 06:18	> 1 w	0.1454676	0.0415201	0.1704435
EARTH	2025-09-02 22:12	< 1 s	0.0100842	0.0100694	0.0000049
EARTH	2056-09-07 10:39	> 1 w	0.0780259	0.0129312	0.2328369
EARTH	2080-03-19 00:46	> 1 d	0.0808966	0.0473488	0.0693825
EARTH	2087-09-14 12:09	1391.4	0.1771424	0.1297525	0.0158142
EARTH	2111-03-18 12:15	> 1 w	0.1191141	0.0494790	0.1746570
EARTH	2118-09-12 04:27	> 1 w	0.1257532	0.0170712	0.2203485

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
309.00237175	239.83314398	0.01002120	MINIMUM
50.03373449	79.62531347	0.04274282	MINIMUM
359.11323410	338.96716829	0.49143364	SADDLE
359.26194873	159.36001786	1.51280544	SADDLE
179.84802973	160.37800178	2.25683045	SADDLE
179.93719357	340.41640781	4.25009551	MAXIMUM

Download:

MOID Plots

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