Asteroids

2026FF3 help

Last update: 2026-04-21 12:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.694

Aphelion (Q)

3.929

Eccentricity (e)

0.700

Inclination (i)

15.4

deg

Orbit period (P)

1283.4

Earth MOID

0.00631

U parameter

7.0

Next Earth close approach

Date

2033-03-28

Nominal distance (from Earth center)

0.18373

27485737

Maximum Brightness

25.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-19

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

2.311273

1-sigma variation

0.001103

Unit

Eccentricity (e)

Value

0.699846

1-sigma variation

0.000157

Unit

Inclination (i)

Value

15.3732

1-sigma variation

0.0028

Unit

Long. of Ascending Node (Ω)

Value

177.7728

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

283.8592

1-sigma variation

0.0012

Unit

Mean Anomaly (M)

Value

35.57398

1-sigma variation

0.02666

Unit

Perihelion distance

Value

0.693739

1-sigma variation

Unit

Aphelion distance

Value

3.928808

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.014872

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.411906

1-sigma variation

Unit

MOID

Value

0.006306

1-sigma variation

Unit

Orbit Period

Value

1283.4393

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.21725E-6	1.73040E-7	3.13007E-6	-9.14055E-8	1.30727E-6	-2.94142E-5
e	1.73040E-7	2.45989E-8	4.44963E-7	-1.29930E-8	1.85819E-7	-4.18142E-6
i	3.13007E-6	4.44963E-7	8.04893E-6	-2.35017E-7	3.36111E-6	-7.56365E-5
Ω	-9.14055E-8	-1.29930E-8	-2.35017E-7	6.87929E-9	-9.83977E-8	2.20877E-6
ω	1.30727E-6	1.85819E-7	3.36111E-6	-9.83977E-8	1.40887E-6	-3.15895E-5
M	-2.94142E-5	-4.18142E-6	-7.56365E-5	2.20877E-6	-3.15895E-5	7.10777E-4

Date of computation: 2026-04-21 12:46 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

26.149

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

16 - 40*

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

0.678103

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-19.282016

Unit

Source

[2]

Last Observation

Value

2026-04-18.217103

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

121 (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 2026FF3 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	2019-03-20 16:30	> 1 d	0.0326997	0.0050819	0.0311872
EARTH	2026-03-18 01:58	< 1 s	0.0100492	0.0100431	0.0000020
EARTH	2033-03-28 12:54	> 1 d	0.1837308	0.0887239	0.0316856
EARTH	2120-10-10 08:57	> 1 w	0.1923783	0.1479540	0.1773358

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
35.68913599	71.27803134	0.00630635	MINIMUM
321.97237678	278.64142303	0.12133233	MINIMUM
357.49994940	351.77266811	0.36215559	SADDLE
359.36415942	176.25196752	1.69652469	SADDLE
179.65176490	177.55817932	2.95784965	SADDLE
180.19075304	357.79340180	4.88577150	MAXIMUM

Download:

MOID Plots

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