Asteroids

2026BB6 help

Last update: 2026-01-29 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.722

Aphelion (Q)

4.342

Eccentricity (e)

0.715

Inclination (i)

0.7

deg

Orbit period (P)

1472.0

Earth MOID

0.00042

U parameter

8.7

Next Earth close approach

Date

2090-08-30

Nominal distance (from Earth center)

0.03645

5452901

Maximum Brightness

21.9

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-25

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

2.532430

1-sigma variation

0.013215

Unit

Eccentricity (e)

Value

0.714752

1-sigma variation

0.001630

Unit

Inclination (i)

Value

0.6758

1-sigma variation

0.0018

Unit

Long. of Ascending Node (Ω)

Value

339.7525

1-sigma variation

0.0387

Unit

Arg. of Perihelion (ω)

Value

73.5167

1-sigma variation

0.0394

Unit

Mean Anomaly (M)

Value

354.58925

1-sigma variation

0.03402

Unit

Perihelion distance

Value

0.722371

1-sigma variation

Unit

Aphelion distance

Value

4.342489

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.019590

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.563499

1-sigma variation

Unit

MOID

Value

0.000421

1-sigma variation

Unit

Orbit Period

Value

1471.9891

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.74628E-4	2.15361E-5	2.31857E-5	-3.16213E-4	2.83077E-4	4.49517E-4
e	2.15361E-5	2.65602E-6	2.85433E-6	-3.87248E-5	3.46124E-5	5.54380E-5
i	2.31857E-5	2.85433E-6	3.39437E-6	-5.90462E-5	5.61841E-5	5.96145E-5
Ω	-3.16213E-4	-3.87248E-5	-5.90462E-5	1.49414E-3	-1.51702E-3	-8.10274E-4
ω	2.83077E-4	3.46124E-5	5.61841E-5	-1.51702E-3	1.55411E-3	7.24622E-4
M	4.49517E-4	5.54380E-5	5.96145E-5	-8.10274E-4	7.24622E-4	1.15714E-3

Date of computation: 2026-01-29 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

26.188

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

15 - 30*

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

0.568538

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-25.466205

Unit

Source

[2]

Last Observation

Value

2026-01-26.982172

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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

Close Approaches for 2026BB6 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	1974-02-03 10:42	> 1 mo	0.1117700	0.0074329	9.1419164
EARTH	1978-01-13 19:28	> 1 mo	0.1434085	0.0071023	7.6441828
EARTH	1993-09-10 21:49	> 1 mo	0.1096611	0.0013948	1.5089420
EARTH	1997-09-04 01:51	> 1 mo	0.0212489	0.0004130	0.5231139
EARTH	2001-09-09 14:44	> 1 mo	0.0825095	0.0005581	0.6540289
EARTH	2005-09-14 10:59	> 1 mo	0.1209575	0.0008782	0.6156347
EARTH	2021-12-28 23:00	> 1 mo	0.1801004	0.0066615	0.1392193
EARTH	2026-01-23 02:56	< 1 min	0.0111793	0.0111091	0.0000234
EARTH	2090-08-30 13:24	> 1 mo	0.0364504	0.0013761	1.1505274
EARTH	2094-09-02 20:09	> 1 mo	0.0122018	0.0013436	0.6975316
EARTH	2098-09-26 09:38	> 1 mo	0.1907943	0.0003329	4.0132293
VENUS	2098-10-22 18:35	> 1 mo	0.0362474	0.0361750	0.1206750
VENUS	2122-11-10 20:34	> 1 mo	0.0398147	0.0065501	10.3693863
EARTH	2126-09-17 05:41	> 1 mo	0.1975109	0.0024295	3.4320306

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
327.30527236	241.38553103	0.00042085	MINIMUM
31.23469205	20.46693157	0.00713342	MINIMUM
358.99913389	310.54471001	0.26715502	SADDLE
358.96824088	130.49322452	1.73452572	SADDLE
179.83192316	131.72601893	3.33025234	SADDLE
179.83471155	311.73109549	5.33166079	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2026BB6

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2115-02-03.669	93580.669	0.609	0.80 ± 0.017	2.88E6	1.92E-7	7.52E-1	-7.25
2115-02-03.672	93580.672	0.649	0.24 ± 0.017	1.85E6	3.90E-7	7.52E-1	-6.94
2123-02-03.277	96502.277	0.493	1.14 ± 0.025	2.96E6	2.40E-8	7.46E-1	-8.19


Based on 21 optical observations (of which 0 are rejected as outliers) from 2026/01/25.466 to 2026/01/26.982.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.14 and 1.14 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260129 131800.291 UTC.

Download this part as:

Download Impactor Table as: