Asteroids

2026BZ5 help

Last update: 2026-01-26 19:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.949

Aphelion (Q)

0.999

Eccentricity (e)

0.026

Inclination (i)

4.3

deg

Orbit period (P)

351.1

Earth MOID

0.00118

U parameter

4.3

Next Earth close approach

Date

2027-01-15

Nominal distance (from Earth center)

0.18352

27454699

Maximum Brightness

31.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

1.0 - 2.3*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-19

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

0.973960

1-sigma variation

0.000002

Unit

Eccentricity (e)

Value

0.025621

1-sigma variation

0.000006

Unit

Inclination (i)

Value

4.3102

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

300.1830

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

299.4168

1-sigma variation

0.0013

Unit

Mean Anomaly (M)

Value

181.01861

1-sigma variation

0.00195

Unit

Perihelion distance

Value

0.949006

1-sigma variation

Unit

Aphelion distance

Value

0.998913

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.055960

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001265

1-sigma variation

Unit

MOID

Value

0.001183

1-sigma variation

Unit

Orbit Period

Value

351.0831

1-sigma variation

Unit

U parameter

Value

4.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.87914E-12	-1.31968E-11	-8.98428E-10	5.77678E-10	2.37075E-9	-3.88799E-9
e	-1.31968E-11	3.61066E-11	2.45354E-9	-1.57928E-9	-6.88404E-9	1.10584E-8
i	-8.98428E-10	2.45354E-9	1.67551E-7	-1.07685E-7	-4.63455E-7	7.47219E-7
Ω	5.77678E-10	-1.57928E-9	-1.07685E-7	6.92432E-8	2.99910E-7	-4.82588E-7
ω	2.37075E-9	-6.88404E-9	-4.63455E-7	2.99910E-7	1.69116E-6	-2.50905E-6
M	-3.88799E-9	1.10584E-8	7.47219E-7	-4.82588E-7	-2.50905E-6	3.81099E-6

Date of computation: 2026-01-26 19:30 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

32.04

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

1.0 - 2.3*

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

1.0

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

1.05988

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-19.226069

Unit

Source

[2]

Last Observation

Value

2026-01-20.185809

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 2026BZ5 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	1952-09-16 05:14	> 1 d	0.0767560	0.0630627	0.0078447
EARTH	1952-12-26 09:40	> 1 d	0.0784021	0.0442775	0.0125812
EARTH	1953-05-13 05:34	> 1 w	0.0913218	0.0904752	0.0012205
EARTH	1954-01-25 23:36	99.9	0.1565856	0.1114415	0.0150583
EARTH	1976-10-02 13:51	117.6	0.1174457	0.1128703	0.0015430
EARTH	1977-06-24 17:27	> 1 d	0.0750624	0.0727414	0.0008255
EARTH	1978-01-25 15:49	7.8	0.0920016	0.0845765	0.0024755
EARTH	2000-09-23 21:11	54.3	0.0939506	0.0931709	0.0002610
EARTH	2001-06-06 14:40	664.7	0.0842343	0.0839085	0.0001100
EARTH	2002-01-25 11:56	1.3	0.1223783	0.1210438	0.0004449
EARTH	2025-08-05 16:51	11.1	0.0503156	0.0503007	0.0000050
EARTH	2026-01-20 03:07	< 1 min	0.0010744	0.0010743	0.0000001
EARTH	2027-01-15 22:08	< 1 min	0.1835233	0.1834408	0.0000275
EARTH	2056-08-28 06:27	43.3	0.0924990	0.0902333	0.0007562
EARTH	2057-07-05 02:46	1365.9	0.0707369	0.0697596	0.0003285
EARTH	2057-11-06 07:27	> 1 d	0.0669119	0.0668606	0.0000178
EARTH	2058-03-30 00:24	> 1 d	0.0876754	0.0870819	0.0001978
EARTH	2059-01-18 04:45	16.0	0.0708505	0.0696150	0.0004119
EARTH	2088-08-23 00:23	1187.2	0.0383444	0.0273096	0.0066482
EARTH	2089-06-06 04:25	> 1 w	0.0872537	0.0836367	0.0012935
EARTH	2089-12-15 19:46	> 1 d	0.0538331	0.0467443	0.0025578
EARTH	2091-01-18 18:39	370.8	0.0901415	0.0890566	0.0003644
EARTH	2124-08-29 10:40	> 1 d	0.1559797	0.0281332	0.1463677
EARTH	2125-08-17 04:58	> 1 w	0.0261741	0.0260571	0.0134165
EARTH	2126-05-26 18:32	> 1 mo	0.0896758	0.0731036	0.0821778
EARTH	2126-12-21 03:53	> 1 mo	0.0498840	0.0188343	0.2773370

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
242.22970335	18.90833788	0.00118328	MINIMUM
76.85775449	217.16243402	0.05159646	MINIMUM
149.96950916	289.92735022	0.07488898	SADDLE
345.15036491	122.21199869	0.09347140	SADDLE
14.98384000	333.28425231	1.93449641	SADDLE
198.83165394	157.13471105	2.01369435	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026BZ5

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2094-07-05.362	86063.362	3.737	0.000	1.56 ± 0.055	6.13E6	5.39E-10	5.68E-5	-12.98	0
2094-07-07.781	86065.781	3.726	0.000	3.26 ± 0.011	3.03E5	9.65E-9	5.67E-5	-11.73	0


Based on 21 optical observations (of which 0 are rejected as outliers) from 2026/01/19.226 to 2026/01/20.186.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 4.70 and 4.77 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260126 193704.418 UTC.

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Download Impactor Table as: