Asteroids

2022OC3 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.890

Aphelion (Q)

1.151

Eccentricity (e)

0.128

Inclination (i)

0.5

deg

Orbit period (P)

376.5

Earth MOID

0.00310

U parameter

2.1

Next Earth close approach

Date

2027-02-10

Nominal distance (from Earth center)

0.19619

29349907

Maximum Brightness

28.2

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.8

mag

Diameter

5 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-07-27

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.020413

1-sigma variation

8.567E-8

Unit

Eccentricity (e)

Value

0.128268

1-sigma variation

6.702E-8

Unit

Inclination (i)

Value

0.5419

1-sigma variation

1.916E-6

Unit

Long. of Ascending Node (Ω)

Value

153.8427

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

255.8322

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

190.13824

1-sigma variation

0.00005

Unit

Perihelion distance

Value

0.889526

1-sigma variation

Unit

Aphelion distance

Value

1.151299

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.047127

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.037906

1-sigma variation

Unit

MOID

Value

0.003097

1-sigma variation

Unit

Orbit Period

Value

376.4975

1-sigma variation

Unit

U parameter

Value

2.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.33877E-15	2.40828E-15	2.92390E-15	-2.36178E-13	3.25134E-12	-4.47041E-12
e	2.40828E-15	4.49141E-15	5.73566E-14	-1.99156E-12	2.90252E-12	-1.79783E-12
i	2.92390E-15	5.73566E-14	3.67282E-12	-1.57149E-10	1.58280E-10	-7.87278E-12
Ω	-2.36178E-13	-1.99156E-12	-1.57149E-10	7.02776E-9	-7.12325E-9	3.50950E-10
ω	3.25134E-12	2.90252E-12	1.58280E-10	-7.12325E-9	8.46145E-9	-2.18276E-9
M	-4.47041E-12	-1.79783E-12	-7.87278E-12	3.50950E-10	-2.18276E-9	2.75475E-9

Date of computation: 2026-03-18 10:55 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

28.8

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

5 - 10*

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

1299

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.533239

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-07-27.475736

Unit

Source

[2]

Last Observation

Value

2026-02-15.379

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

85 (3)

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 2022OC3 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	1972-08-14 15:46	3.5	0.0099395	0.0096359	0.0001017
EARTH	1973-05-05 13:01	82.8	0.1597485	0.1597073	0.0000137
EARTH	1974-01-23 05:01	2.8	0.0123842	0.0123315	0.0000176
EARTH	1997-08-17 03:52	< 1 min	0.0476968	0.0476950	0.0000006
EARTH	1998-04-30 07:42	1.1	0.1523924	0.1523922	0.0000001
EARTH	1999-01-12 09:43	1.1	0.0464063	0.0464018	0.0000015
EARTH	2022-08-04 07:23	< 1 s	0.0081935	0.0081934	0.0000000
EARTH	2023-06-19 01:17	< 1 s	0.1076514	0.1076512	0.0000001
EARTH	2023-10-04 12:08	< 1 min	0.0960365	0.0960364	0.0000001
EARTH	2024-05-05 04:58	< 1 min	0.1359653	0.1359651	0.0000001
EARTH	2024-11-28 15:33	< 1 min	0.0981026	0.0981024	0.0000001
EARTH	2025-03-23 17:52	< 1 min	0.1115071	0.1115069	0.0000001
EARTH	2026-01-31 23:29	< 1 s	0.0033261	0.0033261	0.0000000
EARTH	2027-02-10 16:42	< 1 min	0.1961920	0.1961895	0.0000008
EARTH	2055-07-29 20:56	1.0	0.1895808	0.1895143	0.0000222
EARTH	2056-08-07 18:47	2.3	0.0027907	0.0027891	0.0000008
EARTH	2057-06-04 14:53	> 1 d	0.1274578	0.1250073	0.0008168
EARTH	2057-10-28 15:55	> 1 d	0.1021506	0.1020952	0.0000189
EARTH	2058-04-13 20:52	> 1 d	0.1335874	0.1322392	0.0004510
EARTH	2059-01-29 14:19	403.7	0.0296006	0.0127676	0.0057257
EARTH	2060-02-06 17:25	173.0	0.1283798	0.1205207	0.0026197
EARTH	2094-07-27 06:52	> 1 d	0.1675320	0.0048758	0.0970350
EARTH	2095-08-04 15:48	> 1 d	0.0099968	0.0039066	0.0884757
EARTH	2096-08-09 13:53	> 1 mo	0.0549579	0.0054482	0.5877158
EARTH	2097-06-16 05:39	> 1 mo	0.1069059	0.0053947	0.4782352
EARTH	2097-10-03 05:23	> 1 mo	0.0997509	0.0309743	0.3322091
EARTH	2098-05-19 15:17	> 1 mo	0.1266707	0.0218226	0.2362835
EARTH	2098-11-03 22:06	> 1 mo	0.1116649	0.0908033	0.0225511
EARTH	2099-04-24 18:16	> 1 mo	0.1271143	0.0816985	0.1600536
EARTH	2099-12-04 23:05	> 1 mo	0.1019033	0.0176909	0.6297117
EARTH	2100-03-29 00:52	> 1 mo	0.1084621	0.0339125	0.8306900
EARTH	2101-02-09 01:48	> 1 mo	0.0603950	0.0042263	2.5828242
EARTH	2102-02-06 17:21	> 1 mo	0.0073083	0.0010923	2.3601171

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
272.71191999	211.08884334	0.00309672	MINIMUM
74.54228327	26.60978731	0.00354678	MINIMUM
352.85027321	298.08057119	0.10212561	SADDLE
174.45746543	119.67282196	0.14259122	SADDLE
352.59400079	117.80646083	1.89832052	SADDLE
174.45542751	299.68300720	2.14239397	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2022OC3

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2103-02-06.330	89200.330	-0.384	2.90 ± 0.000	1.54E5	7.53E-6	5.25E-3	-7.31
2104-02-06.367	89565.367	-0.363	2.90 ± 0.000	6.23E4	1.86E-5	5.25E-3	-6.92
2123-08-10.722	96690.722	-2.969	2.26 ± 0.000	7.26E5	3.71E-8	5.25E-3	-9.72
2124-02-08.479	96872.479	-2.196	1.75 ± 0.002	1.09E7	1.84E-8	5.24E-3	-10.03


Based on 85 optical observations (of which 3 are rejected as outliers) from 2022/07/27.476 to 2026/02/15.379.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 3.28 and 3.28 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260303 162227.168 UTC.

Download this part as:

Download Impactor Table as: