Asteroids

2025FA1 help

Last update: 2025-03-28 13:33 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.852

Aphelion (Q)

2.535

Eccentricity (e)

0.497

Inclination (i)

1.4

deg

Orbit period (P)

805.0

Earth MOID

0.00828

U parameter

7.3

Next Earth close approach

Date

2036-03-29

Nominal distance (from Earth center)

0.13992

20931800

Maximum Brightness

24.6

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-21

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

1.693525

1-sigma variation

0.000768

Unit

Eccentricity (e)

Value

0.496751

1-sigma variation

0.000258

Unit

Inclination (i)

Value

1.3652

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

197.0238

1-sigma variation

0.0012

Unit

Arg. of Perihelion (ω)

Value

284.0055

1-sigma variation

0.0021

Unit

Mean Anomaly (M)

Value

39.48894

1-sigma variation

0.02923

Unit

Perihelion distance

Value

0.852264

1-sigma variation

Unit

Aphelion distance

Value

2.534785

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.137817

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.451333

1-sigma variation

Unit

MOID

Value

0.008278

1-sigma variation

Unit

Orbit Period

Value

804.9814

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.90481E-7	1.98476E-7	4.62680E-7	2.00914E-7	-6.32661E-7	-2.24641E-5
e	1.98476E-7	6.67221E-8	1.55254E-7	7.04869E-8	-2.18267E-7	-7.55021E-6
i	4.62680E-7	1.55254E-7	3.73152E-7	3.66945E-8	-3.01240E-7	-1.76167E-5
Ω	2.00914E-7	7.04869E-8	3.66945E-8	1.45122E-6	-2.42325E-6	-7.47973E-6
ω	-6.32661E-7	-2.18267E-7	-3.01240E-7	-2.42325E-6	4.45833E-6	2.37558E-5
M	-2.24641E-5	-7.55021E-6	-1.76167E-5	-7.47973E-6	2.37558E-5	8.54645E-4

Date of computation: 2025-03-24 19:37 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

26.142

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

16 - 40*

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

0.657988

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-21.218101

Unit

Source

[2]

Last Observation

Value

2025-03-24.425822

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (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 2025FA1 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
MARS	1956-10-30 12:25	> 1 w	0.0311804	0.0245174	0.1402143
EARTH	1957-03-19 20:58	> 1 w	0.0302557	0.0095271	0.2687155
EARTH	1968-01-28 22:37	> 1 mo	0.1327714	0.0604538	0.0245838
MARS	1974-12-15 18:15	> 1 d	0.0243536	0.0212537	0.0525587
EARTH	1978-11-30 18:42	> 1 w	0.0231909	0.0170911	0.0640698
MARS	1988-02-13 21:56	> 1 d	0.0295147	0.0212943	0.0681576
EARTH	1989-11-17 04:20	> 1 w	0.1315769	0.0167961	0.1302728
MARS	2001-04-14 15:16	> 1 d	0.0343014	0.0216418	0.0605134
EARTH	2014-04-02 04:06	> 1 d	0.1958212	0.0559024	0.0467147
EARTH	2025-03-18 18:58	< 1 min	0.0154770	0.0154551	0.0000073
MARS	2027-08-15 18:47	459.8	0.0230960	0.0228320	0.0011088
EARTH	2036-03-29 05:29	> 1 d	0.1399204	0.0073021	0.0505723
EARTH	2066-11-16 23:16	> 1 d	0.1594520	0.0177556	0.1083812
EARTH	2077-11-27 09:17	> 1 w	0.0302117	0.0182979	0.0634353
EARTH	2088-11-22 20:27	> 1 w	0.0750552	0.0182332	0.1139014
EARTH	2124-04-03 22:22	> 1 w	0.1929045	0.0050974	0.3009827

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.97629585	73.46744307	0.00827824	MINIMUM
327.08863384	325.33409794	0.01796654	MINIMUM
0.52351188	19.34069565	0.13392712	SADDLE
180.20467119	199.03688355	1.51982268	SADDLE
0.64382618	199.53347050	1.86753104	SADDLE
180.21092834	19.03679211	3.51910803	MAXIMUM

Download:

MOID Plots

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