Asteroids

2022RO help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.069

Aphelion (Q)

4.277

Eccentricity (e)

0.600

Inclination (i)

11.2

deg

Orbit period (P)

1596.1

Earth MOID

0.11986

U parameter

8.5

Next Earth close approach

Date

2079-09-17

Nominal distance (from Earth center)

0.14269

21346161

Maximum Brightness

22.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.6

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-01

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.672811

1-sigma variation

0.013860

Unit

Eccentricity (e)

Value

0.600091

1-sigma variation

0.001989

Unit

Inclination (i)

Value

11.2379

1-sigma variation

0.0273

Unit

Long. of Ascending Node (Ω)

Value

156.3385

1-sigma variation

0.0034

Unit

Arg. of Perihelion (ω)

Value

223.2762

1-sigma variation

0.0046

Unit

Mean Anomaly (M)

Value

301.56671

1-sigma variation

2.34051

Unit

Perihelion distance

Value

1.068881

1-sigma variation

Unit

Aphelion distance

Value

4.276742

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.047748

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.179971

1-sigma variation

Unit

MOID

Value

0.119855

1-sigma variation

Unit

Orbit Period

Value

1596.0662

1-sigma variation

Unit

U parameter

Value

8.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.92108E-4	2.75664E-5	3.77603E-4	-4.69528E-5	-5.44679E-6	-3.24402E-2
e	2.75664E-5	3.95581E-6	5.41692E-5	-6.73606E-6	-7.15955E-7	-4.65497E-3
i	3.77603E-4	5.41692E-5	7.43220E-4	-9.23841E-5	-1.52214E-5	-6.37629E-2
Ω	-4.69528E-5	-6.73606E-6	-9.23841E-5	1.14850E-5	1.76106E-6	7.92858E-3
ω	-5.44679E-6	-7.15955E-7	-1.52214E-5	1.76106E-6	2.07467E-5	9.16985E-4
M	-3.24402E-2	-4.65497E-3	-6.37629E-2	7.92858E-3	9.16985E-4	5.47798E0

Date of computation: 2026-03-17 23:26 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

24.619

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

30 - 70*

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

1308

Unit

Source

[1]

Normalized RMS of residuals

Value

0.407143

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-08-30.353635

Unit

Source

[2]

Last Observation

Value

2022-09-03.387387

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2022RO from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1987-09-18 05:09	> 1 mo	0.1108128	0.1098132	0.1726538
EARTH	2022-09-22 15:46	1.3	0.1200753	0.1191161	0.0003197
EARTH	2079-09-17 07:49	> 1 mo	0.1426903	0.1288785	1.0789414
EARTH	2114-09-15 14:33	> 1 mo	0.1675713	0.1293168	3.2399287

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
348.74906123	256.53955506	0.11957795	MINIMUM
359.48119198	97.66449019	2.06693307	SADDLE
180.14390479	97.60980778	3.28525542	SADDLE
179.41963672	277.24911992	5.26776755	MAXIMUM

Download:

MOID Plots

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