Asteroids

2026FL12 help

Last update: 2026-03-30 14:30 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.884

Aphelion (Q)

2.609

Eccentricity (e)

0.494

Inclination (i)

6.7

deg

Orbit period (P)

843.1

Earth MOID

0.00230

U parameter

7.0

Next Earth close approach

Date

2032-12-13

Nominal distance (from Earth center)

0.13121

19628572

Maximum Brightness

27.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

29.1

mag

Diameter

4 - 9*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-27

Observatory

Catalina Sky 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

1.746560

1-sigma variation

0.000525

Unit

Eccentricity (e)

Value

0.493951

1-sigma variation

0.000166

Unit

Inclination (i)

Value

6.6889

1-sigma variation

0.0018

Unit

Long. of Ascending Node (Ω)

Value

6.6681

1-sigma variation

4.117E-5

Unit

Arg. of Perihelion (ω)

Value

129.7303

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

47.51518

1-sigma variation

0.02272

Unit

Perihelion distance

Value

0.883846

1-sigma variation

Unit

Aphelion distance

Value

2.609275

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.927908

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005811

1-sigma variation

Unit

MOID

Value

0.002300

1-sigma variation

Unit

Orbit Period

Value

843.0897

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.75225E-7	8.71071E-8	9.24220E-7	2.13974E-8	1.10668E-7	-1.19180E-5
e	8.71071E-8	2.75691E-8	2.92482E-7	6.77064E-9	3.49429E-8	-3.77195E-6
i	9.24220E-7	2.92482E-7	3.11407E-6	7.23468E-8	3.78532E-7	-4.00225E-5
Ω	2.13974E-8	6.77064E-9	7.23468E-8	1.69465E-9	8.98867E-9	-9.26640E-7
ω	1.10668E-7	3.49429E-8	3.78532E-7	8.98867E-9	7.15010E-8	-4.79829E-6
M	-1.19180E-5	-3.77195E-6	-4.00225E-5	-9.26640E-7	-4.79829E-6	5.16082E-4

Date of computation: 2026-03-30 14:30 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

29.063

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

4 - 9*

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

[-]

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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

0.446069

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-27.369559

Unit

Source

[2]

Last Observation

Value

2026-03-29.25813

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (2)

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 2026FL12 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	1952-04-09 01:46	> 1 mo	0.1650954	0.0015304	14.1636094
EARTH	1959-03-24 23:50	> 1 mo	0.0098001	0.0049759	0.8107916
EARTH	1965-12-14 07:06	> 1 mo	0.1188192	0.1075933	0.3153949
EARTH	1989-03-30 00:55	> 1 w	0.0362883	0.0034960	0.1039446
EARTH	1995-12-31 17:32	> 1 w	0.1151121	0.1091688	0.0188711
EARTH	2026-03-26 16:16	< 1 min	0.0022191	0.0022170	0.0000007
EARTH	2032-12-13 21:51	> 1 d	0.1312089	0.1148240	0.0093786
EARTH	2056-03-28 15:09	> 1 w	0.0201384	0.0017940	0.0737734
EARTH	2063-01-29 11:06	> 1 mo	0.1329565	0.1325073	0.0175760
EARTH	2069-12-10 18:01	> 1 mo	0.1681671	0.1158478	0.8711917
EARTH	2107-03-14 02:21	> 1 mo	0.0724807	0.0101112	2.5919866
EARTH	2113-12-20 23:09	> 1 mo	0.1188952	0.1154005	0.4788567

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
29.84699351	80.26803070	0.00230030	MINIMUM
332.30726202	346.27649356	0.11412167	MINIMUM
354.35648385	22.07955087	0.13515560	SADDLE
179.91814741	212.33446724	1.60170278	SADDLE
0.68079084	212.75848179	1.89617895	SADDLE
180.52887022	32.68666374	3.59247702	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026FL12

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2093-03-26.969	85597.969	3.647	1.10 ± 0.002	7.75E3	1.24E-7	6.46E-3	-8.96
2093-03-26.978	85597.978	2.583	1.00 ± 0.002	1.89E3	1.54E-5	6.46E-3	-6.87
2110-03-28.102	91807.102	-0.218	1.04 ± 0.001	9.85E5	1.11E-6	6.41E-3	-8.11
2114-03-28.158	93268.158	4.949	1.27 ± 0.002	1.08E5	2.42E-11	6.45E-3	-12.79
2125-03-27.866	97285.866	-0.991	0.18 ± 0.000	4.24E6	1.64E-7	6.40E-3	-9.01


Based on 23 optical observations (of which 2 are rejected as outliers) from 2026/03/27.370 to 2026/03/29.258.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.44 and 1.44 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260330 143527.113 UTC.

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