Asteroids

2025FY11 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.841

Aphelion (Q)

1.095

Eccentricity (e)

0.131

Inclination (i)

3.7

deg

Orbit period (P)

347.7

Earth MOID

0.00358

U parameter

4.4

Next Earth close approach

Date

2026-08-20

Nominal distance (from Earth center)

0.04922

7363843

Maximum Brightness

26.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.8

mag

Diameter

5 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-27

Observatory

University of Arizona 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.967670

1-sigma variation

0.000002

Unit

Eccentricity (e)

Value

0.131353

1-sigma variation

0.000012

Unit

Inclination (i)

Value

3.6927

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

8.4836

1-sigma variation

3.646E-5

Unit

Arg. of Perihelion (ω)

Value

65.6533

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

191.99501

1-sigma variation

0.00087

Unit

Perihelion distance

Value

0.840563

1-sigma variation

Unit

Aphelion distance

Value

1.094777

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.099434

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.007160

1-sigma variation

Unit

MOID

Value

0.003580

1-sigma variation

Unit

Orbit Period

Value

347.6877

1-sigma variation

Unit

U parameter

Value

4.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.68939E-12	-2.87583E-11	-8.27888E-10	-8.51590E-11	1.02349E-9	-1.78156E-9
e	-2.87583E-11	1.51923E-10	4.44950E-9	4.37722E-10	-4.81122E-9	7.86102E-9
i	-8.27888E-10	4.44950E-9	1.32226E-7	1.25015E-8	-1.34337E-7	2.13262E-7
Ω	-8.51590E-11	4.37722E-10	1.25015E-8	1.32908E-9	-1.49399E-8	2.53725E-8
ω	1.02349E-9	-4.81122E-9	-1.34337E-7	-1.49399E-8	2.04183E-7	-3.83735E-7
M	-1.78156E-9	7.86102E-9	2.13262E-7	2.53725E-8	-3.83735E-7	7.57607E-7

Date of computation: 2026-06-04 23:11 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

28.8

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

5 - 10*

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

435

Unit

Source

[1]

Normalized RMS of residuals

Value

0.601521

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-27.329482

Unit

Source

[2]

Last Observation

Value

2025-03-29.88118

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

80 (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 2025FY11 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	1963-05-01 05:25	> 1 d	0.0769867	0.0716374	0.0018022
EARTH	1963-10-26 11:40	> 1 d	0.1458945	0.1430058	0.0009806
EARTH	1964-08-02 20:02	142.2	0.1529363	0.1424816	0.0034973
EARTH	1979-04-03 00:17	249.9	0.0366336	0.0350683	0.0005222
EARTH	1979-11-08 01:36	761.1	0.1576786	0.1574271	0.0000841
EARTH	1980-08-02 16:39	27.6	0.1200721	0.1185204	0.0005178
EARTH	1994-03-28 06:56	11.0	0.0924644	0.0918004	0.0002213
EARTH	1994-12-13 09:10	248.9	0.1635087	0.1634569	0.0000173
EARTH	1995-08-09 13:14	4.1	0.0492988	0.0491425	0.0000525
EARTH	2010-04-12 04:03	91.2	0.0549536	0.0547220	0.0000772
EARTH	2010-10-30 12:39	167.7	0.1533337	0.1532290	0.0000349
EARTH	2011-08-01 05:20	7.4	0.1508775	0.1505068	0.0001236
EARTH	2025-03-26 21:09	< 1 min	0.0033323	0.0033313	0.0000003
EARTH	2025-12-01 22:54	11.2	0.1537290	0.1536840	0.0000150
EARTH	2026-08-20 00:01	3.1	0.0492243	0.0492005	0.0000079
EARTH	2044-03-30 13:39	14.4	0.1821973	0.1810502	0.0003824
EARTH	2045-02-05 07:59	716.8	0.1175227	0.1168265	0.0002321
EARTH	2045-05-09 06:10	450.2	0.0902654	0.0898064	0.0001532
EARTH	2045-10-25 22:20	479.6	0.1344420	0.1341539	0.0000963
EARTH	2046-08-09 21:08	17.0	0.1220921	0.1211777	0.0003050
EARTH	2064-03-27 18:44	29.9	0.0213310	0.0208570	0.0001581
EARTH	2064-11-15 21:38	17.0	0.1537898	0.1536734	0.0000388
EARTH	2065-08-09 12:16	33.8	0.0782850	0.0780398	0.0000818
EARTH	2081-03-26 09:44	84.5	0.0506752	0.0405824	0.0033650
EARTH	2081-12-09 01:17	> 1 d	0.1571550	0.1570569	0.0000345
EARTH	2082-08-18 07:21	284.9	0.0527712	0.0508421	0.0007343
EARTH	2099-03-26 06:59	62.9	0.0259865	0.0014627	0.0087651
EARTH	2099-12-10 02:40	1179.1	0.1539089	0.1503759	0.0011835
EARTH	2100-08-26 04:39	> 1 d	0.0589569	0.0536321	0.0028923
EARTH	2119-03-26 22:02	> 1 d	0.0428730	0.0016175	0.2288728
EARTH	2119-12-21 04:34	> 1 mo	0.1499880	0.1452583	0.0030736
EARTH	2120-07-17 12:36	> 1 mo	0.0936813	0.0150702	0.0421754
EARTH	2120-09-16 07:48	> 1 mo	0.0857451	0.0436708	0.0567623
EARTH	2121-08-08 05:42	> 1 d	0.1952978	0.1178226	0.0259508

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
104.85089708	83.99590874	0.00290092	MINIMUM
258.14483494	224.57817385	0.04841204	MINIMUM
184.79675241	156.75814178	0.10069081	SADDLE
0.63711642	334.14758594	0.15412939	SADDLE
355.70568226	148.63065298	1.85602229	SADDLE
176.18118173	329.10243709	2.07980440	MAXIMUM

Download:

MOID Plots

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