Asteroids

2026AF2 help

Last update: 2026-01-22 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.665

Aphelion (Q)

1.057

Eccentricity (e)

0.228

Inclination (i)

12.8

deg

Orbit period (P)

291.9

Earth MOID

0.02506

U parameter

6.9

Next Earth close approach

Date

2030-01-11

Nominal distance (from Earth center)

0.02774

4150158

Maximum Brightness

20.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-13

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

0.861194

1-sigma variation

0.000072

Unit

Eccentricity (e)

Value

0.227654

1-sigma variation

0.000217

Unit

Inclination (i)

Value

12.7920

1-sigma variation

0.0169

Unit

Long. of Ascending Node (Ω)

Value

294.0588

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

31.0754

1-sigma variation

0.0035

Unit

Mean Anomaly (M)

Value

64.94978

1-sigma variation

0.03072

Unit

Perihelion distance

Value

0.665139

1-sigma variation

Unit

Aphelion distance

Value

1.057249

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.334410

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.030416

1-sigma variation

Unit

MOID

Value

0.025057

1-sigma variation

Unit

Orbit Period

Value

291.9106

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.11878E-9	-1.55258E-8	-1.20595E-6	6.98210E-8	-2.48201E-7	2.19794E-6
e	-1.55258E-8	4.70936E-8	3.65805E-6	-2.11789E-7	7.53092E-7	-6.66716E-6
i	-1.20595E-6	3.65805E-6	2.84174E-4	-1.64519E-5	5.84832E-5	-5.17857E-4
Ω	6.98210E-8	-2.11789E-7	-1.64519E-5	9.52510E-7	-3.38675E-6	2.99833E-5
ω	-2.48201E-7	7.53092E-7	5.84832E-5	-3.38675E-6	1.20946E-5	-1.06680E-4
M	2.19794E-6	-6.66716E-6	-5.17857E-4	2.99833E-5	-1.06680E-4	9.43966E-4

Date of computation: 2026-01-22 13:00 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

26.711

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

12 - 27*

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

1.0

Unit

Source

[1]

Normalized RMS of residuals

Value

0.590017

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-13.170364

Unit

Source

[2]

Last Observation

Value

2026-01-22.10134

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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 2026AF2 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	1951-01-07 21:29	168.8	0.1080942	0.0333979	0.0340757
EARTH	1955-01-09 05:30	1225.1	0.0448587	0.0275468	0.0185692
EARTH	1959-01-11 13:28	579.5	0.0257599	0.0251959	0.0012294
EARTH	1963-01-15 18:10	526.0	0.0526494	0.0469377	0.0020061
EARTH	1967-01-23 09:32	> 1 d	0.0951297	0.0722013	0.0082472
EARTH	1971-02-03 14:38	> 1 d	0.1378278	0.1074561	0.0115978
EARTH	1975-02-16 23:48	> 1 d	0.1736646	0.1440978	0.0128255
VENUS	2013-09-15 19:13	1309.3	0.0334723	0.0331750	0.0011919
EARTH	2014-01-07 12:44	31.1	0.1300287	0.1097221	0.0068137
EARTH	2018-01-08 01:24	156.4	0.0697252	0.0549669	0.0050601
EARTH	2022-01-09 13:03	189.7	0.0338193	0.0290230	0.0018372
EARTH	2026-01-10 20:22	< 1 min	0.0252720	0.0251846	0.0000291
EARTH	2030-01-11 18:18	313.5	0.0277421	0.0254441	0.0011392
EARTH	2034-01-14 07:21	1186.6	0.0449383	0.0306421	0.0058443
EARTH	2038-01-19 00:57	> 1 d	0.0755327	0.0506362	0.0090953
EARTH	2042-01-27 01:39	> 1 d	0.1131733	0.0857399	0.0098544
EARTH	2046-02-06 06:47	> 1 d	0.1481619	0.1224766	0.0094214
EARTH	2050-02-19 01:58	> 1 d	0.1808623	0.1583356	0.0086559
VENUS	2051-03-28 20:41	> 1 d	0.0370136	0.0331385	0.0092162
EARTH	2093-01-07 13:18	275.1	0.1720604	0.1352874	0.0123625
EARTH	2097-01-07 02:38	90.0	0.1200777	0.1129321	0.0023969
EARTH	2101-01-08 10:19	248.9	0.0803646	0.0590287	0.0072765
VENUS	2102-04-19 23:43	> 1 d	0.0324595	0.0312223	0.0035796
EARTH	2105-01-08 19:53	967.3	0.0604594	0.0269302	0.0193620
EARTH	2109-01-08 20:57	1424.2	0.0584753	0.0274281	0.0289728
VENUS	2110-04-19 14:48	> 1 d	0.0324383	0.0296197	0.0174312
EARTH	2113-01-08 06:25	1397.7	0.0809854	0.0290524	0.0461351
EARTH	2117-01-07 22:52	395.4	0.1194244	0.0325881	0.0626942
EARTH	2121-01-08 07:32	824.7	0.1739802	0.0370484	0.0707981

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
136.77100775	8.87922719	0.02505653	MINIMUM
12.95475516	240.71827095	0.36491192	SADDLE
358.88785867	42.81349181	1.65076687	SADDLE
175.07612060	218.73877824	2.06811607	MAXIMUM

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MOID Plots

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