Asteroids

2026AW1 help

Last update: 2026-01-17 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.912

Aphelion (Q)

1.760

Eccentricity (e)

0.317

Inclination (i)

0.2

deg

Orbit period (P)

564.0

Earth MOID

0.00092

U parameter

6.9

Next Earth close approach

Date

2038-10-04

Nominal distance (from Earth center)

0.0777

11624231

Maximum Brightness

26.7

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

29.6

mag

Diameter

3 - 7*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-12

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

1.336014

1-sigma variation

0.000204

Unit

Eccentricity (e)

Value

0.317471

1-sigma variation

0.000113

Unit

Inclination (i)

Value

0.2173

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

303.7782

1-sigma variation

0.0196

Unit

Arg. of Perihelion (ω)

Value

120.5696

1-sigma variation

0.0219

Unit

Mean Anomaly (M)

Value

351.24075

1-sigma variation

0.00050

Unit

Perihelion distance

Value

0.911869

1-sigma variation

Unit

Aphelion distance

Value

1.760160

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.410951

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.052092

1-sigma variation

Unit

MOID

Value

0.000925

1-sigma variation

Unit

Orbit Period

Value

564.0467

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.14828E-8	2.30215E-8	7.70367E-8	-3.97618E-6	4.45413E-6	-9.96869E-8
e	2.30215E-8	1.27768E-8	4.27349E-8	-2.20581E-6	2.47082E-6	-5.52288E-8
i	7.70367E-8	4.27349E-8	1.43695E-7	-7.41457E-6	8.30819E-6	-1.87527E-7
Ω	-3.97618E-6	-2.20581E-6	-7.41457E-6	3.82607E-4	-4.28701E-4	9.66752E-6
ω	4.45413E-6	2.47082E-6	8.30819E-6	-4.28701E-4	4.80382E-4	-1.08481E-5
M	-9.96869E-8	-5.52288E-8	-1.87527E-7	9.66752E-6	-1.08481E-5	2.52373E-7

Date of computation: 2026-01-17 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

29.623

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

3 - 7*

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

0.592536

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-12.218343

Unit

Source

[2]

Last Observation

Value

2026-01-17.31826

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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 2026AW1 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	1968-11-16 01:35	> 1 mo	0.0749550	0.0073758	0.1675195
EARTH	1988-10-11 07:09	> 1 w	0.0220556	0.0035155	0.0637451
EARTH	2005-09-19 20:41	703.1	0.1723493	0.1514652	0.0069616
EARTH	2009-01-17 07:14	> 1 d	0.0516201	0.0008674	0.0227335
EARTH	2026-01-10 22:47	< 1 min	0.0018297	0.0018278	0.0000006
EARTH	2038-10-04 14:48	> 1 d	0.0800295	0.0320172	0.0161920
EARTH	2047-01-26 20:24	1033.0	0.1479967	0.1132054	0.0115971
EARTH	2059-10-19 06:21	491.5	0.0176587	0.0148818	0.0009669
EARTH	2072-10-02 13:31	515.9	0.0990658	0.0859865	0.0043629
EARTH	2094-01-22 04:57	141.4	0.0913486	0.0872540	0.0013651
EARTH	2107-01-09 21:42	842.9	0.0093209	0.0023549	0.0023252

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.84872012	8.72622207	0.00092509	MINIMUM
322.43148089	273.44680825	0.00358597	MINIMUM
357.96454686	320.89702568	0.07535886	SADDLE
178.94657636	141.93757824	0.74570247	SADDLE
357.92083298	140.85533316	1.92630095	SADDLE
178.97740607	321.96947823	2.74728406	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2026AW1

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2068-01-12.053	76392.053	4.150	1.78 ± 0.004	9.18E3	2.90E-8	2.10E-3	-9.78
2071-01-11.640	77487.640	4.147	0.46 ± 0.005	9.18E6	2.99E-11	2.10E-3	-12.80
2110-01-13.408	91733.408	2.126	1.69 ± 0.001	4.33E5	1.79E-7	2.09E-3	-9.29
2119-01-13.118	95020.118	1.981	1.00 ± 0.001	7.32E5	2.53E-7	2.09E-3	-9.19
2119-01-13.366	95020.366	1.977	0.98 ± 0.000	1.66E7	1.14E-8	2.09E-3	-10.53
2120-01-13.375	95385.375	3.457	1.13 ± 0.000	2.01E7	1.60E-10	2.10E-3	-12.39
2121-01-12.830	95750.830	1.938	1.17 ± 0.001	8.51E5	2.21E-7	2.09E-3	-9.26
2126-01-12.440	97576.440	3.630	1.22 ± 0.000	2.96E5	5.53E-9	2.10E-3	-10.88


Based on 25 optical observations (of which 0 are rejected as outliers) from 2026/01/12.218 to 2026/01/17.318.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.93 and 1.93 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260117 134227.310 UTC.

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