Asteroids

2026QB2 help

Last update: 2026-08-24 06:15 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.627

Aphelion (Q)

1.608

Eccentricity (e)

0.439

Inclination (i)

8.3

deg

Orbit period (P)

431.5

Earth MOID

0.01303

U parameter

8.8

Next Earth close approach

Date

2026-09-01

Nominal distance (from Earth center)

0.01323

1979689

Maximum Brightness

18.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.9

mag

Diameter

18 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-08-23

Observatory

Kitt Peak-Bok

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

1.117528

1-sigma variation

0.002334

Unit

Eccentricity (e)

Value

0.439327

1-sigma variation

0.002535

Unit

Inclination (i)

Value

8.3260

1-sigma variation

0.0543

Unit

Long. of Ascending Node (Ω)

Value

153.4159

1-sigma variation

0.0068

Unit

Arg. of Perihelion (ω)

Value

289.4273

1-sigma variation

0.0556

Unit

Mean Anomaly (M)

Value

236.67651

1-sigma variation

0.52367

Unit

Perihelion distance

Value

0.626567

1-sigma variation

Unit

Aphelion distance

Value

1.608488

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.202206

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.045180

1-sigma variation

Unit

MOID

Value

0.013033

1-sigma variation

Unit

Orbit Period

Value

431.5050

1-sigma variation

Unit

U parameter

Value

8.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.44904E-6	5.50914E-6	1.23622E-4	5.76546E-6	-5.28591E-5	1.21226E-3
e	5.50914E-6	6.42781E-6	1.13878E-4	-5.34600E-8	-6.45060E-6	1.28799E-3
i	1.23622E-4	1.13878E-4	2.94967E-3	2.07024E-4	-1.80658E-3	2.66941E-2
Ω	5.76546E-6	-5.34600E-8	2.07024E-4	4.65079E-5	-3.77968E-4	8.54847E-4
ω	-5.28591E-5	-6.45060E-6	-1.80658E-3	-3.77968E-4	3.08778E-3	-8.34516E-3
M	1.21226E-3	1.28799E-3	2.66941E-2	8.54847E-4	-8.34516E-3	2.74229E-1

Date of computation: 2026-08-24 06:15 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

25.855

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

18 - 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

0.8

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.469899

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-23.454142

Unit

Source

[2]

Last Observation

Value

2026-08-24.236656

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

14 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2026QB2 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	1954-08-25 04:07	> 1 mo	0.1504903	0.0098383	0.8877915
EARTH	1963-03-28 19:43	> 1 mo	0.1257627	0.0729718	0.7496601
EARTH	1976-03-23 07:14	> 1 w	0.0732640	0.0717256	0.0685192
VENUS	1981-11-21 11:34	> 1 w	0.0485154	0.0458207	0.0649659
EARTH	1987-09-07 15:19	644.1	0.1954993	0.0112127	0.2890664
EARTH	1989-03-19 06:25	> 1 w	0.0941038	0.0720477	0.1985920
EARTH	2000-09-05 12:56	> 1 w	0.1310755	0.0114268	0.3427700
EARTH	2002-03-14 11:50	> 1 w	0.1433590	0.0753349	0.2943412
EARTH	2013-09-03 10:21	> 1 w	0.0668254	0.0122159	0.2290350
EARTH	2026-09-01 02:57	60.6	0.0132334	0.0128205	0.0001376
EARTH	2039-08-30 09:28	> 1 w	0.0489266	0.0129642	0.2367526
EARTH	2048-03-31 21:34	> 1 d	0.1818012	0.0727657	0.0885156
EARTH	2052-08-23 04:43	1336.6	0.1947610	0.1238758	0.0236565
EARTH	2061-03-23 03:54	> 1 w	0.0742577	0.0733363	0.0150816
EARTH	2072-09-03 03:51	> 1 w	0.0606228	0.0132669	0.3903856
EARTH	2085-08-25 20:47	> 1 w	0.1433850	0.0134165	0.2660380
EARTH	2094-03-24 08:52	> 1 d	0.0748564	0.0734592	0.0083228
EARTH	2105-09-03 22:44	> 1 w	0.0462365	0.0143671	0.1942266
EARTH	2118-08-27 12:15	> 1 w	0.1377565	0.0126911	0.1869296

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
282.21952380	234.62190886	0.01303322	MINIMUM
73.00520494	76.93790441	0.07298643	MINIMUM
356.89793265	334.27789983	0.37454522	SADDLE
178.29127633	157.32198666	0.61829348	SADDLE
358.30009420	156.50841467	1.63844282	SADDLE
179.85060129	338.32003559	2.58741272	MAXIMUM

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MOID Plots

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