Asteroids

2026JF5 help

Last update: 2026-05-17 17:45 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.577

Aphelion (Q)

1.134

Eccentricity (e)

0.326

Inclination (i)

6.8

deg

Orbit period (P)

289.1

Earth MOID

0.00027

U parameter

5.9

Next Earth close approach

Date

2030-06-27

Nominal distance (from Earth center)

0.14655

21923410

Maximum Brightness

28.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

30.8

mag

Diameter

1.9 - 4*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-15

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.855576

1-sigma variation

0.000016

Unit

Eccentricity (e)

Value

0.325689

1-sigma variation

0.000070

Unit

Inclination (i)

Value

6.8003

1-sigma variation

0.0020

Unit

Long. of Ascending Node (Ω)

Value

233.4503

1-sigma variation

4.570E-5

Unit

Arg. of Perihelion (ω)

Value

221.6060

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

140.10698

1-sigma variation

0.00652

Unit

Perihelion distance

Value

0.576924

1-sigma variation

Unit

Aphelion distance

Value

1.134228

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.000679

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.374514

1-sigma variation

Unit

MOID

Value

0.000270

1-sigma variation

Unit

Orbit Period

Value

289.0590

1-sigma variation

Unit

U parameter

Value

5.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.66853E-10	-1.13866E-9	-3.26971E-8	-6.84853E-10	3.67163E-9	1.06141E-7
e	-1.13866E-9	4.86672E-9	1.39773E-7	2.96853E-9	-1.52443E-8	-4.54478E-7
i	-3.26971E-8	1.39773E-7	4.01477E-6	8.54049E-8	-4.36599E-7	-1.30550E-5
Ω	-6.84853E-10	2.96853E-9	8.54049E-8	2.08886E-9	-6.99275E-9	-2.81551E-7
ω	3.67163E-9	-1.52443E-8	-4.36599E-7	-6.99275E-9	7.27355E-8	1.37760E-6
M	1.06141E-7	-4.54478E-7	-1.30550E-5	-2.81551E-7	1.37760E-6	4.25262E-5

Date of computation: 2026-05-17 17:45 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

30.785

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

1.9 - 4*

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

0.935249

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-15.234628

Unit

Source

[2]

Last Observation

Value

2026-05-17.232747

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2026JF5 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	1954-08-31 10:25	> 1 w	0.1193841	0.1087267	0.2462813
EARTH	1959-05-16 00:20	> 1 w	0.0901023	0.0007169	0.4092690
EARTH	1965-05-14 11:45	178.6	0.0015559	0.0010835	0.0049327
EARTH	1970-05-14 16:55	340.7	0.0598829	0.0076255	0.0174683
EARTH	1975-05-17 07:41	825.2	0.1550943	0.0944744	0.0202084
EARTH	1986-08-25 12:45	561.8	0.1322802	0.1153583	0.0085923
EARTH	1991-08-26 09:10	517.0	0.1168363	0.1146465	0.0024081
EARTH	1996-08-11 11:53	> 1 d	0.1482418	0.1376119	0.0038360
EARTH	2001-07-19 08:19	> 1 d	0.1720097	0.1701000	0.0006680
EARTH	2006-06-30 05:38	> 1 d	0.1719427	0.1700456	0.0006413
EARTH	2011-06-11 16:14	976.4	0.1473815	0.1442250	0.0010542
EARTH	2016-05-23 20:21	81.8	0.0968467	0.0959893	0.0002858
EARTH	2021-05-15 03:50	104.7	0.0252786	0.0205430	0.0015786
EARTH	2026-05-14 14:33	< 1 min	0.0008723	0.0008716	0.0000002
EARTH	2030-06-27 10:15	258.4	0.1465489	0.1462264	0.0001079
EARTH	2034-08-10 09:19	< 1 min	0.1293513	0.1279610	0.0004762
EARTH	2045-05-17 00:19	377.0	0.0417161	0.0341305	0.0025289
EARTH	2049-07-14 09:58	680.9	0.1446237	0.1441884	0.0001503
EARTH	2053-08-08 02:50	7.5	0.1889262	0.1879790	0.0003161
EARTH	2060-05-13 11:35	24.6	0.0710520	0.0668326	0.0014065
EARTH	2064-06-13 00:59	938.0	0.1332708	0.1312469	0.0006778
EARTH	2068-08-08 21:31	143.7	0.1190783	0.1189801	0.0001132
EARTH	2079-05-16 12:38	473.1	0.0321033	0.0201876	0.0039721
EARTH	2083-07-16 23:29	319.0	0.1428941	0.1425817	0.0001052
EARTH	2094-05-13 21:33	188.0	0.0209421	0.0003155	0.0089072
EARTH	2098-06-17 23:35	> 1 d	0.1399905	0.1321887	0.0027170
EARTH	2102-08-09 19:47	> 1 d	0.1191207	0.1187770	0.0023711
EARTH	2113-05-14 15:28	> 1 d	0.0727999	0.0005683	0.0866690
EARTH	2117-06-03 13:04	> 1 w	0.1139903	0.0341972	0.0434468
EARTH	2121-07-27 16:48	> 1 w	0.1359889	0.1242021	0.0187789
EARTH	2125-08-09 19:11	> 1 d	0.1839784	0.1191073	0.0439070

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
123.80174470	128.21229030	0.00027003	MINIMUM
235.51699126	212.25934377	0.11928721	MINIMUM
190.02574263	177.57378097	0.14805650	SADDLE
2.34896151	353.91613287	0.41129674	SADDLE
359.94869021	170.65412997	1.59240466	SADDLE
179.02837932	349.60983234	2.11637548	MAXIMUM

Download:

MOID Plots

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