Asteroids

2026BF1 help

Last update: 2026-02-01 12:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.989

Aphelion (Q)

1.288

Eccentricity (e)

0.132

Inclination (i)

5.1

deg

Orbit period (P)

443.7

Earth MOID

0.02587

U parameter

7.2

Next Earth close approach

Date

2026-05-17

Nominal distance (from Earth center)

0.12529

18742705

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-17

Observatory

Pan-STARRS 1, 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.138502

1-sigma variation

0.000230

Unit

Eccentricity (e)

Value

0.131730

1-sigma variation

0.000178

Unit

Inclination (i)

Value

5.1275

1-sigma variation

0.0065

Unit

Long. of Ascending Node (Ω)

Value

121.6357

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

42.2281

1-sigma variation

0.0074

Unit

Mean Anomaly (M)

Value

277.38438

1-sigma variation

0.02109

Unit

Perihelion distance

Value

0.988527

1-sigma variation

Unit

Aphelion distance

Value

1.288477

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.034774

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.222558

1-sigma variation

Unit

MOID

Value

0.025865

1-sigma variation

Unit

Orbit Period

Value

443.7099

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.29518E-8	4.09607E-8	1.50133E-6	1.56456E-7	1.69204E-6	4.85282E-6
e	4.09607E-8	3.16853E-8	1.16136E-6	1.21031E-7	1.30904E-6	3.75376E-6
i	1.50133E-6	1.16136E-6	4.25673E-5	4.43605E-6	4.79781E-5	1.37588E-4
Ω	1.56456E-7	1.21031E-7	4.43605E-6	4.62509E-7	5.00422E-6	1.43349E-5
ω	1.69204E-6	1.30904E-6	4.79781E-5	5.00422E-6	5.42248E-5	1.54950E-4
M	4.85282E-6	3.75376E-6	1.37588E-4	1.43349E-5	1.54950E-4	4.44831E-4

Date of computation: 2026-02-01 12:45 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

27.425

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

9 - 19*

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

0.762748

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-17.457068

Unit

Source

[2]

Last Observation

Value

2026-02-01.442781

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (1)

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

Close Approaches for 2026BF1 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	1959-04-04 15:04	> 1 mo	0.1080698	0.0792053	0.6401888
EARTH	1970-02-02 23:07	> 1 w	0.0278674	0.0254480	0.0267392
EARTH	1981-01-30 00:07	> 1 w	0.0368252	0.0249680	0.0650765
EARTH	1981-05-21 22:34	> 1 mo	0.1339447	0.1121012	0.0460166
EARTH	1997-12-10 12:49	> 1 mo	0.1865228	0.1386923	0.0171759
EARTH	1998-04-26 20:18	> 1 d	0.1573489	0.1015485	0.0225879
EARTH	2009-01-27 15:45	> 1 d	0.0652238	0.0231006	0.0286997
EARTH	2009-06-06 02:57	> 1 w	0.1496472	0.1249428	0.0144387
EARTH	2026-01-31 11:23	< 1 min	0.0282423	0.0281324	0.0000366
EARTH	2026-05-17 17:29	97.1	0.1252872	0.1247752	0.0001707
EARTH	2049-02-04 06:41	> 1 d	0.0370690	0.0245024	0.0282078
EARTH	2066-01-28 02:17	> 1 w	0.0618904	0.0243787	0.1729345
EARTH	2066-06-08 11:30	> 1 mo	0.1469898	0.1197689	0.0906955
EARTH	2089-01-29 04:50	> 1 mo	0.0440712	0.0255561	0.5140805
EARTH	2089-06-03 18:08	> 1 mo	0.1365201	0.1104489	0.3095815
EARTH	2094-12-18 06:27	> 1 mo	0.1708203	0.0979305	0.1956606
EARTH	2095-05-01 07:40	> 1 d	0.1358941	0.0861860	0.2322643
EARTH	2118-01-25 04:35	> 1 mo	0.1344641	0.0204505	2.9707761
EARTH	2118-06-29 21:55	> 1 mo	0.1787343	0.1462415	1.2277057
EARTH	2124-03-06 09:40	> 1 mo	0.0848791	0.0342992	1.7710587

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
332.11016163	30.36756012	0.02586521	MINIMUM
191.50641306	253.27607953	0.29100247	SADDLE
8.03733833	250.66229006	1.99509880	SADDLE
184.55792286	67.13998340	2.28074014	MAXIMUM

Download:

MOID Plots

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