Asteroids

2026FA3 help

Last update: 2026-03-25 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.645

Aphelion (Q)

1.605

Eccentricity (e)

0.427

Inclination (i)

6.3

deg

Orbit period (P)

435.7

Earth MOID

0.01848

U parameter

7.7

Next Earth close approach

Date

2052-10-19

Nominal distance (from Earth center)

0.05536

8281800

Maximum Brightness

24.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-21

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.124766

1-sigma variation

0.000459

Unit

Eccentricity (e)

Value

0.426851

1-sigma variation

0.000474

Unit

Inclination (i)

Value

6.3209

1-sigma variation

0.0080

Unit

Long. of Ascending Node (Ω)

Value

356.6149

1-sigma variation

0.0012

Unit

Arg. of Perihelion (ω)

Value

290.4237

1-sigma variation

0.0024

Unit

Mean Anomaly (M)

Value

9.39058

1-sigma variation

0.01837

Unit

Perihelion distance

Value

0.644659

1-sigma variation

Unit

Aphelion distance

Value

1.604874

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.204525

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.086162

1-sigma variation

Unit

MOID

Value

0.018483

1-sigma variation

Unit

Orbit Period

Value

435.7044

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.10308E-7	2.17145E-7	3.65214E-6	5.55808E-7	-1.09365E-6	8.42493E-6
e	2.17145E-7	2.24212E-7	3.77140E-6	5.74090E-7	-1.12861E-6	8.69887E-6
i	3.65214E-6	3.77140E-6	6.36119E-5	9.73941E-6	-1.89720E-5	1.46269E-4
Ω	5.55808E-7	5.74090E-7	9.73941E-6	1.50981E-6	-2.88510E-6	2.22485E-5
ω	-1.09365E-6	-1.12861E-6	-1.89720E-5	-2.88510E-6	5.74709E-6	-4.38015E-5
M	8.42493E-6	8.69887E-6	1.46269E-4	2.22485E-5	-4.38015E-5	3.37513E-4

Date of computation: 2026-03-25 13:01 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

26.68

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

12 - 27*

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.631753

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-20.332782

Unit

Source

[2]

Last Observation

Value

2026-03-24.467118

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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 2026FA3 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	1959-10-26 20:48	> 1 d	0.1674054	0.0551554	0.0722706
EARTH	1964-04-02 05:34	> 1 d	0.1745245	0.0154509	0.1006757
EARTH	1965-10-15 11:39	> 1 d	0.0813798	0.0543295	0.0769453
EARTH	1970-03-24 03:23	> 1 d	0.0621048	0.0171276	0.1068847
EARTH	1990-10-22 22:53	> 1 d	0.0920271	0.0555595	0.0318539
EARTH	1995-03-29 06:27	> 1 d	0.0564822	0.0174976	0.0719242
EARTH	1996-10-04 02:12	> 1 w	0.1918241	0.0652974	0.0752786
EARTH	2001-03-18 12:52	> 1 d	0.1890620	0.0164603	0.0850805
EARTH	2021-10-19 12:24	1389.6	0.0552593	0.0547789	0.0025069
EARTH	2026-03-27 05:07	< 1 min	0.0191827	0.0191187	0.0000213
EARTH	2052-10-19 09:43	> 1 d	0.0553604	0.0549090	0.0073537
EARTH	2057-03-27 07:00	> 1 d	0.0209038	0.0189460	0.0346024
VENUS	2076-07-16 09:37	> 1 mo	0.0314745	0.0184245	0.5822390
EARTH	2083-10-17 16:09	> 1 w	0.0693827	0.0547740	0.3207191
EARTH	2088-03-23 08:49	> 1 w	0.0793350	0.0180945	0.4214158
EARTH	2108-10-17 22:48	> 1 w	0.0719676	0.0561918	0.2893169
EARTH	2113-03-23 21:05	> 1 w	0.0989041	0.0198296	0.6711471

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
284.88280134	80.62989419	0.01848253	MINIMUM
72.98233721	282.25357889	0.05476568	MINIMUM
358.72474062	180.74671514	0.38159361	SADDLE
179.20764766	2.22100460	0.63481679	SADDLE
359.59666242	2.16431561	1.62609172	SADDLE
180.12612551	182.79885510	2.61837608	MAXIMUM

Download:

MOID Plots

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