Asteroids

2022TG1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.970

Aphelion (Q)

1.806

Eccentricity (e)

0.301

Inclination (i)

0.3

deg

Orbit period (P)

597.0

Earth MOID

0.00323

U parameter

6.3

Next Earth close approach

Date

2040-08-17

Nominal distance (from Earth center)

0.03713

5554246

Maximum Brightness

30.5

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-10-04

Observatory

ATLAS-MLO, Mauna Loa

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

1.387633

1-sigma variation

0.000091

Unit

Eccentricity (e)

Value

0.301286

1-sigma variation

0.000050

Unit

Inclination (i)

Value

0.2582

1-sigma variation

3.957E-5

Unit

Long. of Ascending Node (Ω)

Value

255.9215

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

82.5877

1-sigma variation

0.0015

Unit

Mean Anomaly (M)

Value

346.42064

1-sigma variation

0.06964

Unit

Perihelion distance

Value

0.969559

1-sigma variation

Unit

Aphelion distance

Value

1.805707

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.193696

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.332618

1-sigma variation

Unit

MOID

Value

0.003228

1-sigma variation

Unit

Orbit Period

Value

597.0495

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.29747E-9	4.54377E-9	3.60315E-9	6.81992E-8	-1.31597E-7	-6.34364E-6
e	4.54377E-9	2.48821E-9	1.97310E-9	3.73516E-8	-7.20690E-8	-3.47384E-6
i	3.60315E-9	1.97310E-9	1.56540E-9	2.93825E-8	-5.69047E-8	-2.75471E-6
Ω	6.81992E-8	3.73516E-8	2.93825E-8	6.37365E-7	-1.16076E-6	-5.21391E-5
ω	-1.31597E-7	-7.20690E-8	-5.69047E-8	-1.16076E-6	2.16871E-6	1.00608E-4
M	-6.34364E-6	-3.47384E-6	-2.75471E-6	-5.21391E-5	1.00608E-4	4.84989E-3

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

25.581

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

20 - 50*

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

[-]

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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

1057

Unit

Source

[1]

Normalized RMS of residuals

Value

0.515305

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-04.318406

Unit

Source

[2]

Last Observation

Value

2022-11-05.21599

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

294 (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 2022TG1 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	1962-10-22 02:49	> 1 mo	0.0887391	0.0124067	8.6554030
EARTH	1976-07-06 23:45	> 1 mo	0.1111011	0.0002477	10.8134469
EARTH	1993-07-22 23:13	> 1 d	0.0018115	0.0010064	0.0086758
EARTH	2001-10-23 06:07	835.9	0.1849509	0.1507159	0.0114123
EARTH	2014-06-30 18:51	390.3	0.1872771	0.1722207	0.0050188
EARTH	2022-10-04 02:47	< 1 s	0.0072142	0.0072110	0.0000011
EARTH	2040-08-17 06:47	> 1 d	0.0371278	0.0289005	0.0027445
EARTH	2058-07-29 06:01	> 1 d	0.0114058	0.0032635	0.0102733
EARTH	2081-10-15 01:43	> 1 mo	0.0841414	0.0034094	0.8170118
EARTH	2086-07-13 18:18	> 1 mo	0.0613427	0.0032839	0.4969624
EARTH	2109-09-20 05:45	> 1 mo	0.0257527	0.0033397	1.6395539

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
332.91043604	200.20374503	0.00322678	MINIMUM
22.30227213	267.33081907	0.00415743	MINIMUM
357.53153716	233.69520309	0.03999307	SADDLE
178.67148075	54.88499618	0.81507293	SADDLE
357.56155142	53.72137910	1.96001547	SADDLE
178.64573910	234.85830116	2.81481776	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2022TG1

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2101-09-29.128	88705.128	0.141	1.67 ± 0.003	2.55E5	6.67E-6	4.77E-1	-5.80
2104-09-28.253	89800.253	-0.094	0.74 ± 0.000	5.82E7	2.78E-8	4.75E-1	-8.20
2106-10-01.115	90533.115	0.688	1.20 ± 0.006	8.42E4	1.38E-5	4.75E-1	-5.51
2110-10-03.953	91996.953	2.457	0.74 ± 0.002	6.63E6	1.19E-8	4.78E-1	-8.59
2112-07-19.336	92651.336	0.777	0.62 ± 0.016	9.59E7	1.27E-8	4.78E-1	-8.57
2117-10-04.105	94554.105	0.101	0.44 ± 0.000	7.43E5	2.31E-6	4.76E-1	-6.34
2120-10-04.533	95650.533	-0.104	2.11 ± 0.005	1.51E6	4.00E-7	4.75E-1	-7.11


Based on 294 optical observations (of which 2 are rejected as outliers) from 2022/10/04.318 to 2022/11/05.216.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.16 and 2.16 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250805 130500.123 UTC.

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