Asteroids

2026PR help

Last update: 2026-08-08 13:15 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.594

Aphelion (Q)

1.274

Eccentricity (e)

0.364

Inclination (i)

29.6

deg

Orbit period (P)

329.5

Earth MOID

0.04160

U parameter

8.1

Next Earth close approach

Date

2026-08-10

Nominal distance (from Earth center)

0.04207

6293954

Maximum Brightness

18.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-08-06

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

0.933706

1-sigma variation

0.000559

Unit

Eccentricity (e)

Value

0.364190

1-sigma variation

0.000489

Unit

Inclination (i)

Value

29.6257

1-sigma variation

0.0820

Unit

Long. of Ascending Node (Ω)

Value

314.7593

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

131.3223

1-sigma variation

0.0781

Unit

Mean Anomaly (M)

Value

201.97088

1-sigma variation

0.22689

Unit

Perihelion distance

Value

0.593660

1-sigma variation

Unit

Aphelion distance

Value

1.273752

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.051778

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.332847

1-sigma variation

Unit

MOID

Value

0.041603

1-sigma variation

Unit

Orbit Period

Value

329.5440

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.12101E-7	2.73188E-7	4.58134E-5	9.70699E-7	-4.36560E-5	1.26753E-4
e	2.73188E-7	2.39147E-7	4.01013E-5	8.49655E-7	-3.82132E-5	1.10952E-4
i	4.58134E-5	4.01013E-5	6.72499E-3	1.42490E-4	-6.40826E-3	1.86060E-2
Ω	9.70699E-7	8.49655E-7	1.42490E-4	3.01912E-6	-1.35779E-4	3.94224E-4
ω	-4.36560E-5	-3.82132E-5	-6.40826E-3	-1.35779E-4	6.10652E-3	-1.77299E-2
M	1.26753E-4	1.10952E-4	1.86060E-2	3.94224E-4	-1.77299E-2	5.14781E-2

Date of computation: 2026-08-08 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

24.513

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

30 - 70*

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

0.9

Unit

Source

[1]

Normalized RMS of residuals

Value

0.507108

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-03.48306

Unit

Source

[2]

Last Observation

Value

2026-08-07.94665

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

29 (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 2026PR 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	1952-08-10 00:36	673.9	0.0808800	0.0422535	0.1353919
EARTH	1961-08-08 23:10	> 1 d	0.1968054	0.0594290	0.1659284
EARTH	1980-08-07 19:31	> 1 d	0.1008592	0.0428570	0.1642930
EARTH	1989-08-10 02:26	> 1 d	0.0491884	0.0416691	0.0716819
EARTH	1998-08-10 03:49	> 1 d	0.1585388	0.0519202	0.1067544
EARTH	2017-08-07 08:56	> 1 d	0.1309327	0.0433633	0.0428937
EARTH	2026-08-10 05:18	< 1 min	0.0420725	0.0417581	0.0001048
EARTH	2035-08-10 19:51	537.9	0.1325134	0.0479083	0.0411397
EARTH	2054-08-06 21:58	> 1 d	0.1601729	0.0444548	0.1172870
EARTH	2063-08-10 03:06	> 1 d	0.0506191	0.0423947	0.0763658
EARTH	2072-08-10 09:07	76.8	0.0900909	0.0443787	0.1478961
EARTH	2081-08-09 04:22	> 1 d	0.1999073	0.0628971	0.1622996
EARTH	2100-08-08 23:22	> 1 d	0.1101010	0.0434047	0.1362588
EARTH	2109-08-11 08:41	> 1 d	0.0450522	0.0428320	0.0301047
EARTH	2118-08-11 17:22	> 1 d	0.1408182	0.0517212	0.0845802

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
250.46666147	213.29952918	0.04160337	MINIMUM
48.89454476	45.73033376	0.30848646	MINIMUM
335.35375510	308.42354338	0.54158471	SADDLE
143.18972923	137.69224989	0.57591424	SADDLE
347.59674410	147.61077088	1.57397910	SADDLE
188.24573197	351.16500516	2.22117932	MAXIMUM

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MOID Plots

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