Asteroids

2026RJ10 help

Last update: 2026-09-19 13:15 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.940

Aphelion (Q)

2.852

Eccentricity (e)

0.504

Inclination (i)

2.7

deg

Orbit period (P)

953.7

Earth MOID

0.00382

U parameter

8.0

Next Earth close approach

Date

2060-06-28

Nominal distance (from Earth center)

0.05626

8416272

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.7

mag

Diameter

50 - 110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-09-11

Observatory

University of Arizona Mt. Lemmon Survey

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

61400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.896139

1-sigma variation

0.003002

Unit

Eccentricity (e)

Value

0.504259

1-sigma variation

0.000828

Unit

Inclination (i)

Value

2.7347

1-sigma variation

0.0035

Unit

Long. of Ascending Node (Ω)

Value

265.0199

1-sigma variation

0.0444

Unit

Arg. of Perihelion (ω)

Value

33.9262

1-sigma variation

0.0434

Unit

Mean Anomaly (M)

Value

55.41146

1-sigma variation

0.13465

Unit

Perihelion distance

Value

0.939995

1-sigma variation

Unit

Aphelion distance

Value

2.852284

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.017589

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.448933

1-sigma variation

Unit

MOID

Value

0.003818

1-sigma variation

Unit

Orbit Period

Value

953.6826

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.00904E-6	2.48526E-6	1.06390E-5	-9.28507E-5	8.21505E-5	-4.04145E-4
e	2.48526E-6	6.85654E-7	2.93435E-6	-2.53625E-5	2.23961E-5	-1.11486E-4
i	1.06390E-5	2.93435E-6	1.25690E-5	-1.11892E-4	9.93845E-5	-4.77285E-4
Ω	-9.28507E-5	-2.53625E-5	-1.11892E-4	1.96778E-3	-1.91614E-3	4.17394E-3
ω	8.21505E-5	2.23961E-5	9.93845E-5	-1.91614E-3	1.88064E-3	-3.69444E-3
M	-4.04145E-4	-1.11486E-4	-4.77285E-4	4.17394E-3	-3.69444E-3	1.81300E-2

Date of computation: 2026-09-19 13:15 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

23.678

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

50 - 110*

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

0.352907

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-09-11.234769

Unit

Source

[2]

Last Observation

Value

2026-09-15.975787

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2026RJ10 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	1956-05-25 22:16	> 1 mo	0.1396707	0.0086970	8.9423854
EARTH	1987-09-13 21:09	> 1 mo	0.1375650	0.0470586	9.7275080
EARTH	2000-08-14 14:15	> 1 mo	0.0617749	0.0475183	1.9891488
EARTH	2013-06-13 00:16	> 1 mo	0.0097513	0.0045400	0.1356038
EARTH	2026-08-31 12:23	1.3	0.0472797	0.0470692	0.0000701
EARTH	2060-06-28 18:32	> 1 mo	0.0562593	0.0100937	0.2119683
EARTH	2094-06-24 06:20	> 1 mo	0.0439850	0.0054969	0.3517129

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
337.46801508	157.37281292	0.00381846	MINIMUM
21.16745937	232.74918007	0.04534468	MINIMUM
0.93484845	197.88493971	0.07888096	SADDLE
179.90834436	15.81830469	1.86891683	SADDLE
359.61628697	15.54314665	1.92371515	SADDLE
179.82263887	195.76676287	3.86638922	MAXIMUM

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MOID Plots

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