Asteroids

2026PK help

Last update: 2026-08-05 07:00 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.879

Aphelion (Q)

2.075

Eccentricity (e)

0.405

Inclination (i)

2.4

deg

Orbit period (P)

655.5

Earth MOID

0.00115

U parameter

7.3

Next Earth close approach

Date

2026-08-06

Nominal distance (from Earth center)

0.00503

752339

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.6

mag

Diameter

5 - 11*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-08-04

Observatory

Pan-STARRS 1, 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

1.476724

1-sigma variation

0.000493

Unit

Eccentricity (e)

Value

0.404961

1-sigma variation

0.000264

Unit

Inclination (i)

Value

2.3880

1-sigma variation

0.0012

Unit

Long. of Ascending Node (Ω)

Value

132.7728

1-sigma variation

4.939E-5

Unit

Arg. of Perihelion (ω)

Value

239.1811

1-sigma variation

0.0092

Unit

Mean Anomaly (M)

Value

303.00104

1-sigma variation

0.03008

Unit

Perihelion distance

Value

0.878708

1-sigma variation

Unit

Aphelion distance

Value

2.074741

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.572099

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.007729

1-sigma variation

Unit

MOID

Value

0.001145

1-sigma variation

Unit

Orbit Period

Value

655.4622

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.43185E-7	1.29573E-7	5.91219E-7	-1.43688E-8	3.47638E-6	1.48145E-5
e	1.29573E-7	6.95169E-8	3.15751E-7	-8.35890E-9	1.98163E-6	7.85842E-6
i	5.91219E-7	3.15751E-7	1.44329E-6	-3.75477E-8	8.65343E-6	3.59620E-5
Ω	-1.43688E-8	-8.35890E-9	-3.75477E-8	2.43978E-9	-3.96157E-7	-8.23872E-7
ω	3.47638E-6	1.98163E-6	8.65343E-6	-3.96157E-7	8.47013E-5	2.02304E-4
M	1.48145E-5	7.85842E-6	3.59620E-5	-8.23872E-7	2.02304E-4	9.05040E-4

Date of computation: 2026-08-05 07:00 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

28.569

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

5 - 11*

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

0.6

Unit

Source

[1]

Unobserved

Value

0.9

Unit

Source

[1]

Normalized RMS of residuals

Value

0.812529

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-04.440409

Unit

Source

[2]

Last Observation

Value

2026-08-05.043911

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (1)

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 2026PK 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	1956-10-22 15:11	> 1 w	0.1142232	0.0808339	0.0117897
EARTH	1965-08-25 02:57	> 1 w	0.0829320	0.0307961	0.0174130
EARTH	1974-07-29 14:21	322.6	0.0804380	0.0688098	0.0038780
EARTH	1999-12-01 14:42	> 1 d	0.0593458	0.0383551	0.0482964
EARTH	2008-11-02 05:15	> 1 w	0.0993413	0.0421885	0.0265623
EARTH	2017-09-13 09:39	> 1 w	0.1155062	0.0888703	0.0089688
EARTH	2026-08-06 14:00	< 1 min	0.0050291	0.0050240	0.0000017
EARTH	2033-11-18 16:43	> 1 d	0.0668111	0.0374001	0.0153974
EARTH	2056-08-27 05:40	> 1 w	0.0882696	0.0056422	0.0519167
EARTH	2063-12-02 19:29	> 1 d	0.0500895	0.0370913	0.0455451
EARTH	2079-08-04 12:27	1043.4	0.0300788	0.0073486	0.0075774
EARTH	2086-10-21 11:18	> 1 w	0.1215910	0.0813768	0.0145089
EARTH	2093-12-12 08:12	> 1 d	0.1684285	0.0365872	0.1051606
EARTH	2109-07-26 18:50	> 1 w	0.1511862	0.0003834	0.1825536
EARTH	2116-09-15 22:51	> 1 mo	0.1188453	0.0286392	0.0554980
EARTH	2123-12-04 10:25	> 1 w	0.0481945	0.0368189	0.0941689

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
320.58263450	210.36649900	0.00114536	MINIMUM
35.32928555	320.32838639	0.03832333	MINIMUM
358.37058136	266.10844221	0.12665203	SADDLE
179.05752417	86.45394593	1.07679981	SADDLE
357.61405212	84.94100731	1.87736443	SADDLE
178.92877270	266.36918610	3.07523891	MAXIMUM

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MOID Plots

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