Asteroids

2022DG2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.790

Aphelion (Q)

1.825

Eccentricity (e)

0.396

Inclination (i)

7.2

deg

Orbit period (P)

546.0

Earth MOID

0.00571

U parameter

6.3

Next Earth close approach

Date

2028-02-13

Nominal distance (from Earth center)

0.09223

13797707

Maximum Brightness

26.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.5

mag

Diameter

5 - 12*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-02-26

Observatory

Pan-STARRS 2, Haleakala

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

1.307435

1-sigma variation

0.000045

Unit

Eccentricity (e)

Value

0.396111

1-sigma variation

0.000114

Unit

Inclination (i)

Value

7.1578

1-sigma variation

0.0074

Unit

Long. of Ascending Node (Ω)

Value

155.9883

1-sigma variation

0.0026

Unit

Arg. of Perihelion (ω)

Value

283.7986

1-sigma variation

0.0271

Unit

Mean Anomaly (M)

Value

214.78610

1-sigma variation

0.27481

Unit

Perihelion distance

Value

0.789546

1-sigma variation

Unit

Aphelion distance

Value

1.825323

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.016454

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.206700

1-sigma variation

Unit

MOID

Value

0.005714

1-sigma variation

Unit

Orbit Period

Value

546.0450

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.01164E-9	-5.13086E-9	-3.33266E-7	1.15064E-7	1.21501E-6	1.23256E-5
e	-5.13086E-9	1.30882E-8	8.49932E-7	-2.93484E-7	-3.09921E-6	-3.14374E-5
i	-3.33266E-7	8.49932E-7	5.52221E-5	-1.90621E-5	-2.01277E-4	-2.04197E-3
Ω	1.15064E-7	-2.93484E-7	-1.90621E-5	6.58154E-6	6.94978E-5	7.05010E-4
ω	1.21501E-6	-3.09921E-6	-2.01277E-4	6.94978E-5	7.33888E-4	7.44452E-3
M	1.23256E-5	-3.14374E-5	-2.04197E-3	7.05010E-4	7.44452E-3	7.55204E-2

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

28.486

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

5 - 12*

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

1301

Unit

Source

[1]

Normalized RMS of residuals

Value

0.721447

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-02-24.389188

Unit

Source

[2]

Last Observation

Value

2022-02-27.169829

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (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 2022DG2 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	2016-03-01 14:11	808.1	0.1221178	0.0902178	0.0106352
EARTH	2019-02-25 19:25	711.9	0.0458224	0.0230273	0.0076569
EARTH	2022-02-22 08:33	< 1 min	0.0060862	0.0060763	0.0000033
EARTH	2025-02-19 16:59	964.7	0.0305611	0.0091550	0.0074821
EARTH	2028-02-13 05:50	1342.6	0.0922320	0.0731366	0.0063652
EARTH	2031-01-27 07:49	> 1 d	0.1557268	0.1451250	0.0035385
EARTH	2034-01-07 01:20	> 1 d	0.1967325	0.1935652	0.0010577
EARTH	2045-10-25 06:30	> 1 d	0.1776231	0.1685937	0.0030117
EARTH	2048-10-04 03:18	1268.6	0.1207474	0.1038498	0.0057336
EARTH	2051-09-27 20:55	993.1	0.0693264	0.0585232	0.0047649
EARTH	2054-09-23 10:34	1034.8	0.0607355	0.0570051	0.0036935
EARTH	2057-09-19 01:59	1203.2	0.1098618	0.0749137	0.0128645
EARTH	2060-09-14 11:27	1252.9	0.1858210	0.1350826	0.0172259

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
52.43582678	50.49219223	0.00584026	MINIMUM
303.84444774	260.18393756	0.05697986	MINIMUM
356.97605261	333.54640564	0.22339693	SADDLE
178.96331809	156.75859980	0.82695809	SADDLE
358.62526357	156.03932467	1.80114070	SADDLE
179.71230672	337.26486743	2.80547810	MAXIMUM

Download:

MOID Plots

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