Asteroids

2025QL7 help

Last update: 2025-09-03 13:31 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

7.4

Next Earth close approach

Date

2025-09-11

Nominal distance (from Earth center)

0.03894

5825862

Maximum Brightness

19.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.1

mag

Diameter

40 - 90*

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

1.214485

1-sigma variation

0.000368

Unit

Eccentricity (e)

Value

0.339290

1-sigma variation

0.000287

Unit

Inclination (i)

Value

9.3833

1-sigma variation

0.0082

Unit

Long. of Ascending Node (Ω)

Value

156.5918

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

273.6977

1-sigma variation

0.0058

Unit

Mean Anomaly (M)

Value

6.63243

1-sigma variation

0.00882

Unit

Perihelion distance

Value

0.802422

1-sigma variation

Unit

Aphelion distance

Value

1.626548

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.060840

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.088243

1-sigma variation

Unit

MOID

Value

0.027700

1-sigma variation

Unit

Orbit Period

Value

488.8623

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.35775E-7	1.05908E-7	3.02683E-6	2.48370E-7	-2.11742E-6	3.25048E-6
e	1.05908E-7	8.26163E-8	2.36090E-6	1.93744E-7	-1.65104E-6	2.53562E-6
i	3.02683E-6	2.36090E-6	6.74808E-5	5.53686E-6	-4.72087E-5	7.24578E-5
Ω	2.48370E-7	1.93744E-7	5.53686E-6	4.54424E-7	-3.87233E-6	5.94625E-6
ω	-2.11742E-6	-1.65104E-6	-4.72087E-5	-3.87233E-6	3.30802E-5	-5.06779E-5
M	3.25048E-6	2.53562E-6	7.24578E-5	5.94625E-6	-5.06779E-5	7.78248E-5

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

24.139

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

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.562185

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

2025-09-03.176346

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

48 (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 2025QL7 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	1950-09-14 19:20	> 1 w	0.0709307	0.0354138	0.1916811
EARTH	1954-09-25 12:09	> 1 mo	0.1555722	0.0165931	0.2156306
EARTH	1971-01-29 13:34	> 1 mo	0.1606735	0.0004040	0.1538699
EARTH	1975-02-12 14:08	> 1 w	0.0718073	0.0284041	0.1210796
EARTH	1979-02-17 10:09	> 1 d	0.0323790	0.0297596	0.0285332
EARTH	1983-02-22 18:08	> 1 d	0.1193451	0.0276643	0.0746939
EARTH	2021-09-06 08:51	796.3	0.1032663	0.0716744	0.0108979
EARTH	2025-09-11 13:48	< 1 min	0.0389435	0.0388464	0.0000323
EARTH	2029-09-17 18:55	1236.0	0.1050892	0.0738831	0.0106811
EARTH	2033-10-19 06:05	> 1 w	0.1972195	0.1569732	0.0134767
EARTH	2046-01-28 01:42	> 1 w	0.1623917	0.0393727	0.0410890
EARTH	2050-02-12 23:23	> 1 d	0.0674909	0.0265329	0.0509324
EARTH	2054-02-18 03:43	> 1 d	0.0360045	0.0278207	0.0343118
EARTH	2058-02-24 11:57	> 1 d	0.1497661	0.0247650	0.0543210
EARTH	2092-09-07 02:58	1074.3	0.0950072	0.0496569	0.0167263
EARTH	2096-09-13 01:50	671.1	0.0487719	0.0420077	0.0051101
EARTH	2100-09-25 06:19	906.1	0.1525310	0.1379803	0.0048763
EARTH	2113-01-31 11:04	> 1 d	0.1553624	0.1225665	0.0109320
EARTH	2117-02-16 05:23	> 1 d	0.0386073	0.0263354	0.0117794
EARTH	2121-02-22 02:37	> 1 d	0.0807456	0.0289301	0.0198866
EARTH	2125-02-27 22:36	1207.0	0.1959358	0.1356878	0.0201393

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
58.91450596	45.99694961	0.02770002	MINIMUM
297.44487440	248.01739517	0.03847896	MINIMUM
357.67035939	326.36090896	0.23434860	SADDLE
178.78147257	147.83684152	0.64601219	SADDLE
358.03424529	146.89600608	1.81191654	SADDLE
179.20056836	328.14762921	2.60439575	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out