Asteroids

2022SB4 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.571

Aphelion (Q)

4.077

Eccentricity (e)

0.754

Inclination (i)

3.5

deg

Orbit period (P)

1294.1

Earth MOID

0.01116

U parameter

7.8

Next Earth close approach

Date

2072-03-05

Nominal distance (from Earth center)

0.19547

29241338

Maximum Brightness

24.7

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

24 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-20

Observatory

Pan-STARRS 1, 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.324057

1-sigma variation

0.003267

Unit

Eccentricity (e)

Value

0.754442

1-sigma variation

0.000439

Unit

Inclination (i)

Value

3.4900

1-sigma variation

0.0020

Unit

Long. of Ascending Node (Ω)

Value

184.6033

1-sigma variation

0.0135

Unit

Arg. of Perihelion (ω)

Value

78.8119

1-sigma variation

0.0151

Unit

Mean Anomaly (M)

Value

279.11584

1-sigma variation

0.60285

Unit

Perihelion distance

Value

0.570691

1-sigma variation

Unit

Aphelion distance

Value

4.077422

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.124065

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.170914

1-sigma variation

Unit

MOID

Value

0.011160

1-sigma variation

Unit

Orbit Period

Value

1294.1019

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.06761E-5	1.43334E-6	6.47517E-6	-4.39951E-5	4.92879E-5	-1.96978E-3
e	1.43334E-6	1.92435E-7	8.69330E-7	-5.90664E-6	6.61718E-6	-2.64456E-4
i	6.47517E-6	8.69330E-7	3.92754E-6	-2.66839E-5	2.98949E-5	-1.19469E-3
Ω	-4.39951E-5	-5.90664E-6	-2.66839E-5	1.81300E-4	-2.03111E-4	8.11727E-3
ω	4.92879E-5	6.61718E-6	2.98949E-5	-2.03111E-4	2.27556E-4	-9.09380E-3
M	-1.96978E-3	-2.64456E-4	-1.19469E-3	8.11727E-3	-9.09380E-3	3.63432E-1

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

25.256

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

24 - 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

[-]

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

953

Unit

Source

[1]

Normalized RMS of residuals

Value

0.599903

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-20.292851

Unit

Source

[2]

Last Observation

Value

2022-10-01.266639

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

35 (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 2022SB4 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
VENUS	1962-07-06 04:53	> 1 mo	0.0240878	0.0239696	0.0400856
EARTH	1962-09-12 17:09	> 1 w	0.0630769	0.0193162	0.3605982
EARTH	1969-09-26 03:34	> 1 w	0.1894568	0.0178978	0.5726271
EARTH	1994-03-22 22:50	> 1 mo	0.1434469	0.0175571	0.7119547
VENUS	2015-06-05 04:21	> 1 w	0.0215792	0.0170023	0.0647959
EARTH	2022-09-17 07:36	< 1 min	0.0288046	0.0287597	0.0000150
EARTH	2072-03-05 11:06	> 1 w	0.1954663	0.0057511	0.3693971
EARTH	2086-09-03 17:05	> 1 mo	0.1633631	0.0015743	0.4844025
MARS	2090-05-07 23:23	> 1 w	0.0122073	0.0034179	0.4610368

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
319.64086342	71.84558697	0.01104168	MINIMUM
40.98092537	252.06276702	0.01287810	MINIMUM
0.53627160	162.34769136	0.44161804	SADDLE
0.46781183	342.17722379	1.55941756	SADDLE
180.07685554	341.54425770	3.09840902	SADDLE
180.05996144	161.54035807	5.09397253	MAXIMUM

Download:

MOID Plots

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