Asteroids

2023TG2 help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.903

Aphelion (Q)

2.891

Eccentricity (e)

0.524

Inclination (i)

56.5

deg

Orbit period (P)

954.5

Earth MOID

0.08302

U parameter

7.0

Next Earth close approach

Date

2057-09-08

Nominal distance (from Earth center)

0.1587

23740982

Maximum Brightness

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

19.6

mag

Diameter

300 - 700*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-10-03

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.897162

1-sigma variation

0.000619

Unit

Eccentricity (e)

Value

0.524110

1-sigma variation

0.000153

Unit

Inclination (i)

Value

56.5084

1-sigma variation

0.0038

Unit

Long. of Ascending Node (Ω)

Value

351.4886

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

340.2087

1-sigma variation

0.0048

Unit

Mean Anomaly (M)

Value

231.04330

1-sigma variation

0.11485

Unit

Perihelion distance

Value

0.902841

1-sigma variation

Unit

Aphelion distance

Value

2.891484

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.083958

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.720887

1-sigma variation

Unit

MOID

Value

0.083022

1-sigma variation

Unit

Orbit Period

Value

954.4545

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.82667E-7	9.48584E-8	2.35690E-6	5.50074E-7	2.94866E-6	-7.10442E-5
e	9.48584E-8	2.35177E-8	5.84348E-7	1.35635E-7	7.29829E-7	-1.76105E-5
i	2.35690E-6	5.84348E-7	1.45268E-5	3.37161E-6	1.81260E-5	-4.37555E-4
Ω	5.50074E-7	1.35635E-7	3.37161E-6	9.53178E-7	4.46197E-6	-1.02232E-4
ω	2.94866E-6	7.29829E-7	1.81260E-5	4.46197E-6	2.30742E-5	-5.47595E-4
M	-7.10442E-5	-1.76105E-5	-4.37555E-4	-1.02232E-4	-5.47595E-4	1.31898E-2

Date of computation: 2025-02-19 13:28 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

19.617

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

Unit

Source

[1]

Unobserved

Value

546

Unit

Source

[1]

Normalized RMS of residuals

Value

0.40879

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-10-03.108923

Unit

Source

[2]

Last Observation

Value

2023-11-10.1744

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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 2023TG2 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	1989-09-23 13:05	> 1 d	0.1875310	0.0941789	0.0829918
EARTH	2023-09-15 09:28	1.2	0.0836681	0.0836589	0.0000031
EARTH	2057-09-08 00:15	> 1 d	0.1586987	0.0871509	0.0826146
EARTH	2104-09-22 21:50	> 1 w	0.1574312	0.0834086	0.2048947

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
11.64392317	246.77023483	0.08338183	MINIMUM
335.25267166	18.92309776	1.80779045	SADDLE
164.63040473	48.43772602	1.98800422	SADDLE
184.66581949	235.36157378	3.87339626	MAXIMUM

Download:

MOID Plots

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