Asteroids

2022SP2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.048

Aphelion (Q)

3.772

Eccentricity (e)

0.565

Inclination (i)

1.1

deg

Orbit period (P)

1366.6

Earth MOID

0.03842

U parameter

8.6

Next Earth close approach

Date

2037-09-09

Nominal distance (from Earth center)

0.06014

8996069

Maximum Brightness

21.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-17

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.410029

1-sigma variation

0.013222

Unit

Eccentricity (e)

Value

0.565278

1-sigma variation

0.002328

Unit

Inclination (i)

Value

1.1263

1-sigma variation

0.0034

Unit

Long. of Ascending Node (Ω)

Value

3.8763

1-sigma variation

0.0041

Unit

Arg. of Perihelion (ω)

Value

334.0321

1-sigma variation

0.0181

Unit

Mean Anomaly (M)

Value

309.70326

1-sigma variation

2.54569

Unit

Perihelion distance

Value

1.047693

1-sigma variation

Unit

Aphelion distance

Value

3.772366

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.084424

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.337277

1-sigma variation

Unit

MOID

Value

0.038417

1-sigma variation

Unit

Orbit Period

Value

1366.5701

1-sigma variation

Unit

U parameter

Value

8.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.74829E-4	3.07833E-5	4.44986E-5	5.37558E-5	-2.36733E-4	-3.36599E-2
e	3.07833E-5	5.42022E-6	7.83500E-6	9.46563E-6	-4.16899E-5	-5.92671E-3
i	4.44986E-5	7.83500E-6	1.13298E-5	1.36689E-5	-6.01104E-5	-8.56735E-3
Ω	5.37558E-5	9.46563E-6	1.36689E-5	1.65794E-5	-7.32799E-5	-1.03495E-2
ω	-2.36733E-4	-4.16899E-5	-6.01104E-5	-7.32799E-5	3.27124E-4	4.55770E-2
M	-3.36599E-2	-5.92671E-3	-8.56735E-3	-1.03495E-2	4.55770E-2	6.48054E0

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

26.548

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

13 - 29*

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

1088

Unit

Source

[1]

Normalized RMS of residuals

Value

0.41594

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-17.342193

Unit

Source

[2]

Last Observation

Value

2022-09-22.523795

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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 2022SP2 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	1951-07-29 00:34	> 1 mo	0.1272692	0.0138417	0.6545181
EARTH	1981-07-28 15:50	> 1 mo	0.1467293	0.0132837	1.5937634
EARTH	2022-09-10 19:32	< 1 min	0.0476141	0.0471193	0.0001649
EARTH	2037-09-09 13:46	> 1 mo	0.0601350	0.0179638	0.3187992
MARS	2064-03-28 11:36	> 1 mo	0.0331246	0.0148508	2.7178200
EARTH	2097-10-05 00:55	> 1 mo	0.1782890	0.0046058	0.9917670

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
359.27480802	235.05105256	0.03933252	MINIMUM
358.94367765	54.40313816	2.03793776	SADDLE
179.70050474	55.32790289	2.78140180	SADDLE
179.70227822	235.32505209	4.78109139	MAXIMUM

Download:

MOID Plots

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