Asteroids

2025QL7 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.802

Aphelion (Q)

1.627

Eccentricity (e)

0.339

Inclination (i)

9.4

deg

Orbit period (P)

488.9

Earth MOID

0.02770

U parameter

7.3

Next Earth close approach

Date

2029-09-17

Nominal distance (from Earth center)

0.10579

15825592

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.1

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-08-16

Observatory

WFST, Lenghu

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

1.214509

1-sigma variation

0.000306

Unit

Eccentricity (e)

Value

0.339309

1-sigma variation

0.000238

Unit

Inclination (i)

Value

9.3838

1-sigma variation

0.0069

Unit

Long. of Ascending Node (Ω)

Value

156.5918

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

273.6974

1-sigma variation

0.0049

Unit

Mean Anomaly (M)

Value

6.63302

1-sigma variation

0.00728

Unit

Perihelion distance

Value

0.802415

1-sigma variation

Unit

Aphelion distance

Value

1.626603

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.060847

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.088247

1-sigma variation

Unit

MOID

Value

0.027703

1-sigma variation

Unit

Orbit Period

Value

488.8769

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.37992E-8	7.27972E-8	2.09939E-6	1.71035E-7	-1.49052E-6	2.23006E-6
e	7.27972E-8	5.64979E-8	1.62933E-6	1.32740E-7	-1.15674E-6	1.73074E-6
i	2.09939E-6	1.62933E-6	4.69893E-5	3.82814E-6	-3.33597E-5	4.99124E-5
Ω	1.71035E-7	1.32740E-7	3.82814E-6	3.11939E-7	-2.71779E-6	4.06631E-6
ω	-1.49052E-6	-1.15674E-6	-3.33597E-5	-2.71779E-6	2.36928E-5	-3.54381E-5
M	2.23006E-6	1.73074E-6	4.99124E-5	4.06631E-6	-3.54381E-5	5.30198E-5

Date of computation: 2025-11-24 16:53 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

24.118

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

40 - 90*

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

181

Unit

Source

[1]

Normalized RMS of residuals

Value

0.546085

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-16.661956

Unit

Source

[2]

Last Observation

Value

2025-09-11.37094

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

51 (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

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 2025QL7 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	1950-09-13 12:45	> 1 w	0.0550021	0.0361985	0.2362866
EARTH	1954-09-21 13:14	> 1 mo	0.1366404	0.0260486	0.3038750
EARTH	1971-01-23 18:41	> 1 mo	0.1720693	0.0147957	0.1586564
EARTH	1975-02-11 20:40	> 1 w	0.0807443	0.0277495	0.1264462
EARTH	1979-02-17 03:51	> 1 d	0.0308321	0.0297868	0.0154530
EARTH	1983-02-22 12:10	> 1 d	0.1144715	0.0278172	0.0618869
EARTH	2021-09-06 07:56	661.0	0.1039788	0.0774696	0.0090669
EARTH	2025-09-11 13:48	< 1 min	0.0389455	0.0388638	0.0000272
EARTH	2029-09-17 20:31	1031.8	0.1057875	0.0796544	0.0088861
EARTH	2033-10-19 20:33	> 1 d	0.1980932	0.1651481	0.0110230
EARTH	2046-01-29 06:59	> 1 w	0.1596843	0.0555047	0.0347355
EARTH	2050-02-13 05:48	> 1 d	0.0641766	0.0267357	0.0419860
EARTH	2054-02-18 08:24	> 1 d	0.0383413	0.0277861	0.0308745
EARTH	2058-02-24 15:46	> 1 d	0.1529722	0.0458610	0.0369423
EARTH	2092-09-07 00:42	> 1 d	0.0965371	0.0402526	0.0488846
EARTH	2096-09-12 22:53	> 1 d	0.0476753	0.0402298	0.0290629
EARTH	2100-09-24 16:07	> 1 w	0.1498122	0.0241561	0.0703300
EARTH	2113-01-29 13:44	> 1 w	0.1602106	0.0048481	0.1133461
EARTH	2117-02-15 20:28	> 1 w	0.0429941	0.0263158	0.1067307
EARTH	2121-02-21 19:22	> 1 d	0.0751820	0.0253213	0.1193073
EARTH	2125-02-27 17:38	> 1 d	0.1916100	0.0212376	0.0804008

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
58.91341741	45.99662966	0.02770281	MINIMUM
297.44624074	248.01737338	0.03848099	MINIMUM
357.67052436	326.36077381	0.23435903	SADDLE
178.78159772	147.83665183	0.64606966	SADDLE
358.03434501	146.89579058	1.81190861	SADDLE
179.20064291	328.14739676	2.60445015	MAXIMUM

Download:

MOID Plots

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