Asteroids

2026AN help

Last update: 2026-01-10 20:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.803

Aphelion (Q)

1.741

Eccentricity (e)

0.369

Inclination (i)

2.4

deg

Orbit period (P)

524.1

Earth MOID

0.00564

U parameter

7.0

Next Earth close approach

Date

2033-06-18

Nominal distance (from Earth center)

0.09065

13561121

Maximum Brightness

23.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-07

Observatory

ATLAS South Africa, Sutherland

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

1.272194

1-sigma variation

0.000228

Unit

Eccentricity (e)

Value

0.368836

1-sigma variation

0.000161

Unit

Inclination (i)

Value

2.3859

1-sigma variation

0.0010

Unit

Long. of Ascending Node (Ω)

Value

283.1642

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

259.5172

1-sigma variation

0.0010

Unit

Mean Anomaly (M)

Value

289.35722

1-sigma variation

0.02279

Unit

Perihelion distance

Value

0.802963

1-sigma variation

Unit

Aphelion distance

Value

1.741424

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.160602

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.046020

1-sigma variation

Unit

MOID

Value

0.005642

1-sigma variation

Unit

Orbit Period

Value

524.1170

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.20865E-8	3.68375E-8	2.28470E-7	5.56846E-8	1.77294E-7	5.20099E-6
e	3.68375E-8	2.60607E-8	1.61510E-7	3.91350E-8	1.27225E-7	3.67798E-6
i	2.28470E-7	1.61510E-7	1.00394E-6	2.49144E-7	7.58218E-7	2.28166E-5
Ω	5.56846E-8	3.91350E-8	2.49144E-7	7.36748E-8	1.25239E-7	5.57141E-6
ω	1.77294E-7	1.27225E-7	7.58218E-7	1.25239E-7	1.04106E-6	1.76201E-5
M	5.20099E-6	3.67798E-6	2.28166E-5	5.57141E-6	1.76201E-5	5.19350E-4

Date of computation: 2026-01-10 20:45 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

25.439

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

22 - 50*

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

0.591477

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-07.902125

Unit

Source

[2]

Last Observation

Value

2026-01-10.391359

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

54 (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 2026AN 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	1950-04-08 09:21	> 1 mo	0.1948675	0.0357518	0.0542569
EARTH	1960-05-07 15:31	> 1 mo	0.1548886	0.0074489	0.1711321
EARTH	1970-06-06 11:54	> 1 w	0.0516049	0.0167855	0.1217986
EARTH	1980-06-13 03:01	> 1 w	0.0342783	0.0168931	0.1575538
EARTH	1983-01-05 01:55	> 1 w	0.0987451	0.0046527	0.1600982
EARTH	1990-06-21 16:01	> 1 d	0.1601436	0.1023731	0.0193107
EARTH	1993-01-13 06:02	> 1 d	0.0241695	0.0053096	0.0304249
EARTH	2003-03-15 05:22	> 1 w	0.1933303	0.1815601	0.0039301
EARTH	2013-05-17 02:35	> 1 d	0.1352260	0.0959291	0.0131154
EARTH	2023-06-17 20:10	419.6	0.0912654	0.0765739	0.0049130
EARTH	2026-01-11 00:56	< 1 s	0.0102082	0.0101954	0.0000043
EARTH	2033-06-18 05:55	986.1	0.0906505	0.0561457	0.0116062
EARTH	2036-01-05 22:40	1210.8	0.0977337	0.0510183	0.0155922
EARTH	2043-06-13 19:02	> 1 d	0.0204120	0.0154971	0.0104401
EARTH	2046-01-03 09:52	> 1 d	0.1414649	0.0794585	0.0206728
EARTH	2053-06-18 00:54	> 1 d	0.0814069	0.0149103	0.0269215
EARTH	2056-01-08 09:49	> 1 d	0.0676542	0.0055332	0.0276070
EARTH	2063-06-21 04:10	130.4	0.1212758	0.1209680	0.0001026
EARTH	2066-01-09 18:00	930.1	0.0412065	0.0152577	0.0090027
EARTH	2073-06-18 17:26	> 1 d	0.0837428	0.0307333	0.0181815
EARTH	2076-01-06 22:27	> 1 d	0.0974606	0.0432987	0.0181363
EARTH	2083-06-16 09:05	1090.5	0.0386656	0.0147909	0.0103988
EARTH	2086-01-05 04:41	11.1	0.1251372	0.1227060	0.0008116
MARS	2088-08-21 02:02	240.9	0.0489342	0.0449860	0.0026483
EARTH	2093-06-19 01:06	> 1 d	0.0832731	0.0145112	0.0257628
EARTH	2096-01-09 11:34	> 1 d	0.0648929	0.0068610	0.0346562
EARTH	2103-06-22 19:11	> 1 d	0.1163666	0.0470772	0.0233493
EARTH	2106-01-11 01:07	> 1 d	0.0494968	0.0067970	0.0186796
EARTH	2113-06-20 07:38	> 1 d	0.0787729	0.0136015	0.0245856
EARTH	2116-01-08 15:10	> 1 d	0.1008220	0.0080242	0.0357498
EARTH	2123-06-18 10:06	> 1 d	0.0408307	0.0137207	0.0484387
EARTH	2126-01-07 06:34	> 1 d	0.1219099	0.0418217	0.0267876

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
307.81514021	9.60360890	0.00564184	MINIMUM
57.31146702	158.69022567	0.01659441	MINIMUM
3.25148596	84.92863232	0.19913856	SADDLE
181.48023967	262.93906025	0.74033880	SADDLE
3.12165657	264.73387213	1.80538744	SADDLE
181.40744348	82.88709280	2.73922781	MAXIMUM

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MOID Plots

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