Asteroids

2022DX help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.013

Aphelion (Q)

1.210

Eccentricity (e)

0.089

Inclination (i)

0.2

deg

Orbit period (P)

428.2

Earth MOID

0.01403

U parameter

5.5

Next Earth close approach

Date

2028-12-13

Nominal distance (from Earth center)

0.14904

22295566

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.2

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-02-22

Observatory

Calar Alto-Schmidt

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

1.111776

1-sigma variation

0.000017

Unit

Eccentricity (e)

Value

0.088738

1-sigma variation

0.000013

Unit

Inclination (i)

Value

0.2025

1-sigma variation

2.702E-5

Unit

Long. of Ascending Node (Ω)

Value

152.1332

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

28.9211

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

47.41326

1-sigma variation

0.02738

Unit

Perihelion distance

Value

1.013119

1-sigma variation

Unit

Aphelion distance

Value

1.210432

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.034071

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.183932

1-sigma variation

Unit

MOID

Value

0.014031

1-sigma variation

Unit

Orbit Period

Value

428.1778

1-sigma variation

Unit

U parameter

Value

5.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.01495E-10	2.23052E-10	4.67818E-10	2.95094E-8	-8.81018E-9	-4.75409E-7
e	2.23052E-10	1.65019E-10	3.46101E-10	2.18317E-8	-6.51832E-9	-3.51717E-7
i	4.67818E-10	3.46101E-10	7.30224E-10	4.60198E-8	-1.39030E-8	-7.37672E-7
Ω	2.95094E-8	2.18317E-8	4.60198E-8	2.92363E-6	-8.98384E-7	-4.65310E-5
ω	-8.81018E-9	-6.51832E-9	-1.39030E-8	-8.98384E-7	3.01881E-7	1.38853E-5
M	-4.75409E-7	-3.51717E-7	-7.37672E-7	-4.65310E-5	1.38853E-5	7.49649E-4

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

28.178

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

6 - 14*

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

1259

Unit

Source

[1]

Normalized RMS of residuals

Value

0.702011

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-02-22.98537

Unit

Source

[2]

Last Observation

Value

2022-04-06.30182

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

53 (1)

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 2022DX 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	1950-12-06 09:29	> 1 d	0.1485535	0.1427099	0.0019481
EARTH	1951-05-01 06:04	411.5	0.1858532	0.1708636	0.0049966
EARTH	1971-02-23 18:48	292.5	0.1777027	0.1651659	0.0041790
EARTH	1971-07-11 03:59	> 1 d	0.1450805	0.1401094	0.0016570
EARTH	1978-04-06 17:50	> 1 d	0.0185967	0.0149156	0.0012270
EARTH	1984-08-13 16:35	1395.4	0.1993751	0.1985812	0.0002646
EARTH	1996-12-23 01:19	> 1 d	0.1430686	0.1406585	0.0008033
EARTH	1997-05-02 18:28	76.5	0.1564496	0.1513998	0.0016833
EARTH	2003-03-01 14:53	78.1	0.1427232	0.1359711	0.0022507
EARTH	2003-06-29 21:02	> 1 d	0.1358167	0.1323958	0.0011404
EARTH	2015-11-14 13:12	1108.7	0.1985665	0.1980888	0.0001592
EARTH	2022-03-19 20:38	< 1 min	0.0218378	0.0218304	0.0000025
EARTH	2028-12-13 08:42	> 1 d	0.1490367	0.1478249	0.0004039
EARTH	2029-05-08 11:45	36.2	0.1861158	0.1830354	0.0010268
EARTH	2049-03-04 07:40	79.9	0.1468801	0.1388656	0.0026715
EARTH	2049-07-08 13:26	> 1 d	0.1321642	0.1284217	0.0012476
EARTH	2056-04-21 20:14	458.0	0.0376103	0.0335719	0.0013465
EARTH	2069-04-15 14:01	> 1 w	0.0193521	0.0016681	0.0184621
EARTH	2075-03-17 07:25	> 1 d	0.0597481	0.0018782	0.0594260
EARTH	2081-08-17 12:11	> 1 mo	0.1959948	0.1036473	0.0307971
EARTH	2100-01-09 23:30	> 1 mo	0.1328683	0.0066355	0.3502964
EARTH	2100-05-10 17:23	> 1 w	0.1332020	0.0032178	0.6569515
EARTH	2106-03-18 15:34	> 1 mo	0.0564903	0.0026881	0.3935110
EARTH	2125-03-31 15:34	> 1 mo	0.0200200	0.0032023	3.3735536

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
10.13629216	88.96873531	0.01509240	MINIMUM
188.73174975	267.58038012	0.20870265	SADDLE
10.40823800	269.26511386	2.01460013	SADDLE
188.69960260	87.54984337	2.20837299	MAXIMUM

Download:

MOID Plots

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