Asteroids

2022FB21 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.983

Aphelion (Q)

1.448

Eccentricity (e)

0.191

Inclination (i)

2.5

deg

Orbit period (P)

489.5

Earth MOID

0.00113

U parameter

8.3

Next Earth close approach

Date

2026-05-13

Nominal distance (from Earth center)

0.03679

5504161

Maximum Brightness

29.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

32.2

mag

Diameter

1.0 - 2.1*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-03-29

Observatory

Space Surveillance Telescope, HEH Station

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

1.215589

1-sigma variation

0.001381

Unit

Eccentricity (e)

Value

0.191347

1-sigma variation

0.000864

Unit

Inclination (i)

Value

2.5220

1-sigma variation

0.0133

Unit

Long. of Ascending Node (Ω)

Value

187.3337

1-sigma variation

0.1584

Unit

Arg. of Perihelion (ω)

Value

26.9864

1-sigma variation

0.3741

Unit

Mean Anomaly (M)

Value

31.48069

1-sigma variation

1.57691

Unit

Perihelion distance

Value

0.982990

1-sigma variation

Unit

Aphelion distance

Value

1.448189

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.002545

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.410029

1-sigma variation

Unit

MOID

Value

0.001127

1-sigma variation

Unit

Orbit Period

Value

489.5295

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.90619E-6	1.19255E-6	1.84064E-5	-2.18649E-4	5.16469E-4	-2.17716E-3
e	1.19255E-6	7.46091E-7	1.15157E-5	-1.36790E-4	3.23123E-4	-1.36208E-3
i	1.84064E-5	1.15157E-5	1.77746E-4	-2.11128E-3	4.98733E-3	-2.10231E-2
Ω	-2.18649E-4	-1.36790E-4	-2.11128E-3	2.50802E-2	-5.92406E-2	2.49729E-1
ω	5.16469E-4	3.23123E-4	4.98733E-3	-5.92406E-2	1.39943E-1	-5.89893E-1
M	-2.17716E-3	-1.36208E-3	-2.10231E-2	2.49729E-1	-5.89893E-1	2.48664E0

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

32.212

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

1.0 - 2.1*

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

0.2

Unit

Source

[1]

Unobserved

Value

1482

Unit

Source

[1]

Normalized RMS of residuals

Value

0.174467

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-03-29.622215

Unit

Source

[2]

Last Observation

Value

2022-03-29.840666

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

6 (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 2022FB21 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	1958-03-02 08:14	> 1 d	0.1676636	0.0214480	0.1009150
EARTH	1971-05-23 04:21	> 1 mo	0.0658205	0.0329855	0.4374862
EARTH	1987-04-19 17:03	> 1 mo	0.0195657	0.0118336	0.0431683
EARTH	2003-06-06 20:15	> 1 d	0.1889131	0.0402016	0.1095201
EARTH	2022-03-29 20:23	< 1 min	0.0011398	0.0011331	0.0000022
EARTH	2026-05-13 21:08	> 1 w	0.0367930	0.0362946	0.0024620
EARTH	2030-06-16 04:39	> 1 w	0.0872687	0.0415649	0.0616945
EARTH	2073-03-11 17:18	> 1 d	0.1163670	0.0045339	0.0718142
EARTH	2077-03-30 08:41	> 1 w	0.0025472	0.0013747	0.0269160
EARTH	2095-06-10 09:02	> 1 mo	0.0738889	0.0300292	13.7920322
EARTH	2102-03-09 12:32	> 1 mo	0.1378072	0.0046801	4.5408050
EARTH	2120-06-05 08:42	> 1 mo	0.0455994	0.0280140	20.7449597

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
338.18652466	86.02799538	0.00006032	MINIMUM
183.68068927	296.94044425	0.45259844	SADDLE
4.68670468	298.09446978	1.97624440	SADDLE
183.09227420	116.46723650	2.45318422	MAXIMUM

Download:

MOID Plots

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