Asteroids

2026RK help

Last update: 2026-09-04 07:53 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.753

Aphelion (Q)

3.612

Eccentricity (e)

0.655

Inclination (i)

3.6

deg

Orbit period (P)

1177.6

Earth MOID

0.00817

U parameter

8.4

Next Earth close approach

Date

2052-04-09

Nominal distance (from Earth center)

0.03856

5769232

Maximum Brightness

22.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

13 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-09-03

Observatory

Pan-STARRS 2, Haleakala

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

2.182415

1-sigma variation

0.005984

Unit

Eccentricity (e)

Value

0.654969

1-sigma variation

0.001089

Unit

Inclination (i)

Value

3.5857

1-sigma variation

0.0056

Unit

Long. of Ascending Node (Ω)

Value

163.7654

1-sigma variation

0.0018

Unit

Arg. of Perihelion (ω)

Value

103.4201

1-sigma variation

0.0097

Unit

Mean Anomaly (M)

Value

348.34825

1-sigma variation

0.03974

Unit

Perihelion distance

Value

0.753001

1-sigma variation

Unit

Aphelion distance

Value

3.611829

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.477714

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.073509

1-sigma variation

Unit

MOID

Value

0.008168

1-sigma variation

Unit

Orbit Period

Value

1177.6179

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.58077E-5	6.51020E-6	8.54913E-6	4.67260E-6	-3.14437E-5	2.37768E-4
e	6.51020E-6	1.18512E-6	1.34738E-6	9.13203E-7	-6.03384E-6	4.32072E-5
i	8.54913E-6	1.34738E-6	3.09932E-5	-7.83176E-6	3.62709E-5	5.97998E-5
Ω	4.67260E-6	9.13203E-7	-7.83176E-6	3.39752E-6	-1.76138E-5	3.00954E-5
ω	-3.14437E-5	-6.03384E-6	3.62709E-5	-1.76138E-5	9.48935E-5	-2.04277E-4
M	2.37768E-4	4.32072E-5	5.97998E-5	3.00954E-5	-2.04277E-4	1.57914E-3

Date of computation: 2026-09-04 07:53 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

26.483

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

13 - 30*

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

0.7

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.499354

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-09-03.439245

Unit

Source

[2]

Last Observation

Value

2026-09-04.171413

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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 2026RK 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	1955-04-21 07:59	> 1 w	0.1222928	0.0299603	0.1059937
EARTH	1971-09-06 08:19	> 1 w	0.1400893	0.0125401	0.3629254
EARTH	1984-08-02 13:51	> 1 mo	0.1771217	0.0033231	0.3252086
EARTH	2010-04-03 13:47	> 1 w	0.0997378	0.0353454	0.3839062
EARTH	2026-08-30 02:49	8.1	0.0082086	0.0081616	0.0000157
EARTH	2052-04-09 09:17	> 1 mo	0.0385649	0.0383010	0.0295894
EARTH	2068-08-26 08:12	> 1 mo	0.0493725	0.0048444	3.3356246
EARTH	2097-09-09 01:47	> 1 mo	0.1338042	0.0020301	7.5987849
EARTH	2123-04-01 09:37	> 1 mo	0.1708631	0.0416576	5.5210980

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
34.97968797	232.77087069	0.00816798	MINIMUM
325.51555598	93.36784703	0.03605671	MINIMUM
0.20984313	162.88865898	0.26840568	SADDLE
0.38015532	343.28241131	1.73643443	SADDLE
180.06622273	342.91506704	2.63009348	SADDLE
180.10387911	162.93468101	4.62645883	MAXIMUM

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MOID Plots

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