Asteroids

2023AQ help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.524

Aphelion (Q)

3.728

Eccentricity (e)

0.754

Inclination (i)

11.5

deg

Orbit period (P)

1132.4

Earth MOID

0.01866

U parameter

7.9

Next Earth close approach

Date

2032-08-04

Nominal distance (from Earth center)

0.07752

11596846

Maximum Brightness

20.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.7

mag

Diameter

80 - 170*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-01-13

Observatory

Mt. Lemmon 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.126245

1-sigma variation

0.003361

Unit

Eccentricity (e)

Value

0.753537

1-sigma variation

0.000455

Unit

Inclination (i)

Value

11.5391

1-sigma variation

0.0075

Unit

Long. of Ascending Node (Ω)

Value

292.6976

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

280.6551

1-sigma variation

0.0037

Unit

Mean Anomaly (M)

Value

316.34111

1-sigma variation

0.74255

Unit

Perihelion distance

Value

0.524040

1-sigma variation

Unit

Aphelion distance

Value

3.728450

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.211134

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.083589

1-sigma variation

Unit

MOID

Value

0.018659

1-sigma variation

Unit

Orbit Period

Value

1132.4486

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.12932E-5	1.52977E-6	2.51910E-5	5.71596E-6	-1.23587E-5	-2.49537E-3
e	1.52977E-6	2.07221E-7	3.41232E-6	7.74270E-7	-1.67391E-6	-3.38019E-4
i	2.51910E-5	3.41232E-6	5.61924E-5	1.27505E-5	-2.75700E-5	-5.56622E-3
Ω	5.71596E-6	7.74270E-7	1.27505E-5	2.89323E-6	-6.25693E-6	-1.26301E-3
ω	-1.23587E-5	-1.67391E-6	-2.75700E-5	-6.25693E-6	1.35702E-5	2.73078E-3
M	-2.49537E-3	-3.38019E-4	-5.56622E-3	-1.26301E-3	2.73078E-3	5.51379E-1

Date of computation: 2025-09-10 00:30 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

22.666

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

80 - 170*

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

983

Unit

Source

[1]

Normalized RMS of residuals

Value

0.579225

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-01-13.402735

Unit

Source

[2]

Last Observation

Value

2023-01-17.677659

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

76 (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

Close Approaches for 2023AQ 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	1967-07-22 20:00	> 1 w	0.1682350	0.0445938	0.2159673
EARTH	1989-01-07 20:18	> 1 w	0.1843463	0.0007756	0.5214037
EARTH	2023-01-17 01:40	< 1 s	0.0279813	0.0279307	0.0000169
EARTH	2032-08-04 00:29	> 1 w	0.0775201	0.0609926	0.0831678
EARTH	2054-01-11 10:40	> 1 w	0.1338350	0.0184678	0.4160800
VENUS	2078-11-30 20:16	> 1 w	0.0335835	0.0114969	0.3457730
VENUS	2081-12-29 03:58	> 1 d	0.0208357	0.0107217	0.0378901
EARTH	2091-01-21 17:40	> 1 mo	0.0750728	0.0369426	0.6036209
EARTH	2100-08-02 05:14	> 1 mo	0.0812422	0.0812309	0.0127135
EARTH	2125-01-29 07:16	> 1 mo	0.1889574	0.0368216	2.3508602

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
315.21537270	15.35563774	0.01841578	MINIMUM
45.32302785	207.44411419	0.06032901	MINIMUM
0.65412775	111.42975414	0.50314617	SADDLE
1.15107458	292.81859124	1.51047890	SADDLE
180.06535357	291.61972873	2.76046059	SADDLE
180.28582231	111.70665263	4.71840233	MAXIMUM

Download:

MOID Plots

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