Asteroids

2026BN5 help

Last update: 2026-01-28 09:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.585

Aphelion (Q)

1.014

Eccentricity (e)

0.269

Inclination (i)

16.1

deg

Orbit period (P)

261.0

Earth MOID

0.00675

U parameter

6.9

Next Earth close approach

Date

2031-01-24

Nominal distance (from Earth center)

0.01778

2660279

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.1

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-24

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

0.799329

1-sigma variation

0.000058

Unit

Eccentricity (e)

Value

0.268664

1-sigma variation

0.000118

Unit

Inclination (i)

Value

16.1045

1-sigma variation

0.0111

Unit

Long. of Ascending Node (Ω)

Value

303.5458

1-sigma variation

3.025E-5

Unit

Arg. of Perihelion (ω)

Value

19.9943

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

58.93938

1-sigma variation

0.01865

Unit

Perihelion distance

Value

0.584578

1-sigma variation

Unit

Aphelion distance

Value

1.014080

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.424701

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.007341

1-sigma variation

Unit

MOID

Value

0.006747

1-sigma variation

Unit

Orbit Period

Value

261.0279

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.37812E-9	-6.83784E-9	-6.46102E-7	1.69181E-9	-7.14794E-8	1.07406E-6
e	-6.83784E-9	1.38591E-8	1.30882E-6	-3.39463E-9	1.50676E-7	-2.18476E-6
i	-6.46102E-7	1.30882E-6	1.23711E-4	-3.22295E-7	1.39836E-5	-2.05986E-4
Ω	1.69181E-9	-3.39463E-9	-3.22295E-7	9.14880E-10	-2.58141E-8	5.20079E-7
ω	-7.14794E-8	1.50676E-7	1.39836E-5	-2.58141E-8	3.48364E-6	-2.62467E-5
M	1.07406E-6	-2.18476E-6	-2.05986E-4	5.20079E-7	-2.62467E-5	3.47777E-4

Date of computation: 2026-01-28 09:00 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

28.103

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

6 - 14*

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

0.853558

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-24.174069

Unit

Source

[2]

Last Observation

Value

2026-01-25.281537

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

12 (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 2026BN5 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	1963-02-14 16:23	> 1 d	0.1985562	0.1219994	0.0298131
EARTH	1968-02-02 21:00	> 1 d	0.1063226	0.0655493	0.0142305
EARTH	1973-01-23 22:24	424.9	0.0151794	0.0078320	0.0036153
EARTH	1978-01-21 13:23	939.2	0.0355620	0.0094870	0.0157680
EARTH	1983-01-19 23:20	148.8	0.1179285	0.0695241	0.0163089
EARTH	2011-02-07 03:01	419.7	0.1405990	0.1324306	0.0027382
EARTH	2016-01-30 05:26	10.6	0.0753954	0.0748341	0.0001871
EARTH	2021-01-24 02:41	284.0	0.0170310	0.0102056	0.0025201
EARTH	2026-01-23 11:00	< 1 min	0.0073568	0.0073442	0.0000042
EARTH	2031-01-24 15:54	283.8	0.0177829	0.0108479	0.0025181
EARTH	2036-01-30 06:58	< 1 min	0.0754133	0.0750591	0.0001181
EARTH	2041-02-06 14:09	371.9	0.1405053	0.1338673	0.0022281
EARTH	2068-01-20 03:06	7.5	0.1391084	0.0931892	0.0154112
EARTH	2073-01-20 12:31	623.4	0.0583670	0.0153997	0.0152914
EARTH	2078-01-23 09:44	904.3	0.0069445	0.0068574	0.0016206
EARTH	2083-01-29 17:08	> 1 w	0.0730031	0.0198542	0.1850042
EARTH	2088-02-08 07:17	> 1 mo	0.1497539	0.0661080	0.3132446
EARTH	2110-01-20 15:37	> 1 d	0.1642407	0.0257856	1.0150179
EARTH	2115-01-21 18:29	> 1 w	0.0671677	0.0121827	1.0078467
EARTH	2120-01-25 10:38	> 1 mo	0.0110694	0.0067566	0.5992776
EARTH	2125-02-07 03:35	> 1 mo	0.1381571	0.0625920	0.8726863

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
153.14594514	21.34741622	0.00674707	MINIMUM
14.16434454	241.20985319	0.43915046	SADDLE
359.20171066	41.60220849	1.57084274	SADDLE
175.70120219	217.73478019	2.02629056	MAXIMUM

Download:

MOID Plots

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