Asteroids

2025QU11 help

Last update: 2025-08-30 03:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.874

Aphelion (Q)

1.321

Eccentricity (e)

0.204

Inclination (i)

5.4

deg

Orbit period (P)

420.0

Earth MOID

0.00373

U parameter

8.7

Next Earth close approach

Date

2033-08-18

Nominal distance (from Earth center)

0.19763

29565099

Maximum Brightness

22.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.8

mag

Diameter

50 - 100*

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

1.097650

1-sigma variation

0.001973

Unit

Eccentricity (e)

Value

0.203600

1-sigma variation

0.001829

Unit

Inclination (i)

Value

5.4082

1-sigma variation

0.0438

Unit

Long. of Ascending Node (Ω)

Value

175.1454

1-sigma variation

0.0564

Unit

Arg. of Perihelion (ω)

Value

254.4506

1-sigma variation

0.1785

Unit

Mean Anomaly (M)

Value

7.60002

1-sigma variation

0.16868

Unit

Perihelion distance

Value

0.874168

1-sigma variation

Unit

Aphelion distance

Value

1.321131

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.117138

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.007705

1-sigma variation

Unit

MOID

Value

0.003732

1-sigma variation

Unit

Orbit Period

Value

420.0433

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.89426E-6	3.60101E-6	8.61956E-5	1.11344E-4	-3.48994E-4	3.32592E-4
e	3.60101E-6	3.34491E-6	8.01623E-5	1.03103E-4	-3.19710E-4	3.06698E-4
i	8.61956E-5	8.01623E-5	1.92176E-3	2.46880E-3	-7.63338E-3	7.33582E-3
Ω	1.11344E-4	1.03103E-4	2.46880E-3	3.18497E-3	-9.94981E-3	9.50128E-3
ω	-3.48994E-4	-3.19710E-4	-7.63338E-3	-9.94981E-3	3.18750E-2	-2.99754E-2
M	3.32592E-4	3.06698E-4	7.33582E-3	9.50128E-3	-2.99754E-2	2.84531E-2

Date of computation: 2025-08-30 03:45 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

23.805

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

50 - 100*

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

[-]

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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

0.713213

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-26.507299

Unit

Source

[2]

Last Observation

Value

2025-08-29.576987

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

10 (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 2025QU11 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	1950-02-17 15:10	> 1 d	0.0806246	0.0501131	0.0712190
EARTH	1956-09-06 22:21	1275.9	0.1177477	0.0833142	0.0114779
EARTH	1964-11-19 07:04	> 1 mo	0.1364161	0.1076961	0.0150753
EARTH	1973-02-19 02:39	> 1 d	0.1111211	0.0482667	0.1430832
EARTH	1979-09-10 11:23	> 1 w	0.0754943	0.0067488	0.1776182
EARTH	1987-11-28 07:59	> 1 w	0.1394237	0.1288189	0.0035625
EARTH	1988-03-19 03:44	> 1 d	0.1917639	0.1751330	0.0055688
EARTH	1996-02-19 21:10	> 1 d	0.1054788	0.0481051	0.1409634
EARTH	2002-09-08 23:32	> 1 w	0.0986012	0.0061642	0.2333977
EARTH	2010-08-21 17:00	> 1 mo	0.1934075	0.0548654	0.1525399
EARTH	2010-11-16 23:39	> 1 mo	0.1350748	0.1043439	0.0426709
EARTH	2019-02-18 15:30	> 1 d	0.0809191	0.0486915	0.0966418
EARTH	2025-09-07 21:38	5.2	0.1160606	0.1131005	0.0009867
EARTH	2033-08-18 18:11	> 1 mo	0.1976305	0.0565885	0.1011136
EARTH	2033-11-19 07:49	> 1 mo	0.1363993	0.1065784	0.0265268
EARTH	2042-02-19 16:07	> 1 w	0.1035930	0.0474010	0.2174580
EARTH	2048-09-09 23:55	> 1 w	0.0818975	0.0051589	0.2511396
EARTH	2056-11-28 16:42	> 1 mo	0.1397364	0.1236174	0.0062148
EARTH	2057-03-19 15:53	> 1 w	0.1912214	0.1211485	0.0252143
EARTH	2065-02-20 02:27	> 1 d	0.1103249	0.0465886	0.1570473
EARTH	2071-09-10 08:28	> 1 w	0.0897760	0.0045688	0.2789656
EARTH	2079-08-18 02:06	> 1 mo	0.1999349	0.0598327	0.1678453
EARTH	2079-11-21 17:14	> 1 mo	0.1374503	0.1121414	0.0394325
EARTH	2088-02-19 19:43	> 1 d	0.0849116	0.0472609	0.1183998
EARTH	2094-09-08 22:22	589.3	0.1143078	0.1053020	0.0030026
EARTH	2102-08-21 02:57	> 1 mo	0.1959785	0.0566011	0.1286439
EARTH	2102-11-20 20:41	> 1 mo	0.1365603	0.1058771	0.0336962
EARTH	2111-02-21 10:25	> 1 w	0.0979631	0.0462421	0.2714314
EARTH	2117-09-11 07:58	> 1 w	0.0903380	0.0038105	0.2981018
EARTH	2125-11-30 05:56	> 1 mo	0.1400009	0.1222224	0.0080527

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
294.72489614	252.81620983	0.00373229	MINIMUM
66.33975596	45.26734925	0.04816689	MINIMUM
2.14775208	331.41559564	0.14026834	SADDLE
180.17143087	147.96258502	0.32323777	SADDLE
357.25817517	145.50019545	1.88757234	SADDLE
177.69907894	325.93349746	2.30509865	MAXIMUM

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MOID Plots

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