Asteroids

2023GQ2 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.984

Aphelion (Q)

2.305

Eccentricity (e)

0.402

Inclination (i)

36.8

deg

Orbit period (P)

770.1

Earth MOID

0.00054

U parameter

1.7

Next Earth close approach

Date

2028-11-16

Nominal distance (from Earth center)

0.01016

1519371

Maximum Brightness

12.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.6

mag

Diameter

300 - 700*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-04-12

Observatory

Kitt Peak-Bok

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.644191

1-sigma variation

9.159E-8

Unit

Eccentricity (e)

Value

0.401783

1-sigma variation

0.000001

Unit

Inclination (i)

Value

36.8435

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

53.8243

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

349.3662

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

120.32672

1-sigma variation

0.00030

Unit

Perihelion distance

Value

0.983584

1-sigma variation

Unit

Aphelion distance

Value

2.304798

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.000537

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.267877

1-sigma variation

Unit

MOID

Value

0.000540

1-sigma variation

Unit

Orbit Period

Value

770.0639

1-sigma variation

Unit

U parameter

Value

1.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.38879E-15	3.04081E-14	-5.74485E-12	5.64682E-12	6.91313E-12	-2.69874E-11
e	3.04081E-14	5.95094E-13	-5.21091E-11	6.21984E-11	-2.03473E-11	-1.20646E-10
i	-5.74485E-12	-5.21091E-11	8.73706E-9	-9.53315E-9	3.79418E-10	2.02621E-8
Ω	5.64682E-12	6.21984E-11	-9.53315E-9	1.08721E-8	-1.84445E-9	-2.04362E-8
ω	6.91313E-12	-2.03473E-11	3.79418E-10	-1.84445E-9	1.21749E-8	-2.02452E-8
M	-2.69874E-11	-1.20646E-10	2.02621E-8	-2.04362E-8	-2.02452E-8	8.85209E-8

Date of computation: 2025-07-29 02:36 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

19.643

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

300 - 700*

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

4858

Unit

Source

[1]

Unobserved

Value

847

Unit

Source

[1]

Normalized RMS of residuals

Value

0.661511

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2010-01-07.331068

Unit

Source

[2]

Last Observation

Value

2023-04-27.22541

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

52 (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 2023GQ2 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	1950-11-16 13:36	1.5	0.0043399	0.0042737	0.0000221
EARTH	1969-11-08 06:44	1.3	0.1525851	0.1525288	0.0000188
EARTH	2009-11-24 14:10	< 1 min	0.1658591	0.1658553	0.0000013
EARTH	2028-11-16 13:33	< 1 min	0.0101564	0.0101248	0.0000105
EARTH	2064-11-14 02:29	66.2	0.0399567	0.0372513	0.0009018
EARTH	2083-11-26 03:56	101.9	0.1830097	0.1785023	0.0015026
EARTH	2119-11-14 15:11	380.2	0.0665799	0.0510436	0.0051794

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
6.95829280	312.28615309	0.00053981	MINIMUM
168.18968123	116.33961263	1.31560769	SADDLE
347.07972267	107.47042267	1.98131286	SADDLE
181.70133374	303.61074870	3.29189370	MAXIMUM

Download:

MOID Plots

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