Asteroids

2026PO help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.617

Aphelion (Q)

1.057

Eccentricity (e)

0.263

Inclination (i)

5.8

deg

Orbit period (P)

279.6

Earth MOID

0.01140

U parameter

6.8

Next Earth close approach

Date

2039-08-10

Nominal distance (from Earth center)

0.03906

5843756

Maximum Brightness

19.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-08-03

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

0.836790

1-sigma variation

0.000062

Unit

Eccentricity (e)

Value

0.263003

1-sigma variation

0.000124

Unit

Inclination (i)

Value

5.7590

1-sigma variation

0.0036

Unit

Long. of Ascending Node (Ω)

Value

312.7231

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

200.0181

1-sigma variation

0.0006

Unit

Mean Anomaly (M)

Value

74.36640

1-sigma variation

0.01565

Unit

Perihelion distance

Value

0.616712

1-sigma variation

Unit

Aphelion distance

Value

1.056868

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.019792

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.360873

1-sigma variation

Unit

MOID

Value

0.011401

1-sigma variation

Unit

Orbit Period

Value

279.5910

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.78758E-9	-7.60494E-9	-2.19702E-7	-2.13043E-8	-1.51317E-8	9.60836E-7
e	-7.60494E-9	1.52743E-8	4.41348E-7	4.27950E-8	3.16359E-8	-1.93148E-6
i	-2.19702E-7	4.41348E-7	1.27562E-5	1.23699E-6	9.35356E-7	-5.58384E-5
Ω	-2.13043E-8	4.27950E-8	1.23699E-6	1.19988E-7	9.00674E-8	-5.41355E-6
ω	-1.51317E-8	3.16359E-8	9.35356E-7	9.00674E-8	3.99891E-7	-4.44887E-6
M	9.60836E-7	-1.93148E-6	-5.58384E-5	-5.41355E-6	-4.44887E-6	2.44843E-4

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

25.335

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

23 - 50*

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

0.745029

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-03.387272

Unit

Source

[2]

Last Observation

Value

2026-08-07.998491

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

87 (2)

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 2026PO 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
VENUS	1951-03-31 13:42	> 1 d	0.0474231	0.0474186	0.0000675
EARTH	1961-09-10 22:02	> 1 d	0.0680182	0.0680004	0.0000297
EARTH	1964-07-24 23:31	103.0	0.1448978	0.1250274	0.0066294
EARTH	1974-09-27 05:07	> 1 d	0.0903630	0.0771937	0.0076911
EARTH	1977-07-25 10:07	761.4	0.0658992	0.0168184	0.0187147
EARTH	1987-09-30 06:55	237.1	0.1406102	0.1163489	0.0086537
EARTH	1990-07-29 09:31	1203.4	0.0161872	0.0126105	0.0042101
EARTH	2000-09-22 05:37	> 1 d	0.0779471	0.0745559	0.0019110
EARTH	2003-07-25 19:14	173.6	0.1601040	0.1367736	0.0077873
EARTH	2013-08-20 02:28	> 1 d	0.0548636	0.0472882	0.0027329
EARTH	2026-08-04 12:37	< 1 min	0.0242141	0.0241755	0.0000129
EARTH	2039-08-10 19:49	> 1 d	0.0390631	0.0276958	0.0040544
EARTH	2052-09-14 01:11	623.5	0.0718091	0.0709762	0.0002976
EARTH	2055-07-25 03:52	1.4	0.1317804	0.1304446	0.0004453
EARTH	2065-09-29 00:13	23.0	0.1261022	0.1170974	0.0030881
EARTH	2068-07-28 18:31	744.3	0.0137043	0.0104891	0.0026018
EARTH	2078-09-27 07:35	1332.0	0.0942489	0.0787512	0.0080833
EARTH	2081-07-24 17:57	140.1	0.1133289	0.0630509	0.0169267
VENUS	2086-08-01 04:26	> 1 d	0.0494919	0.0451347	0.0102690
EARTH	2091-09-02 06:39	> 1 w	0.0677775	0.0626865	0.0046621
EARTH	2104-08-17 03:53	> 1 w	0.0512714	0.0297429	0.0103185
EARTH	2117-08-04 11:51	173.5	0.0233656	0.0222987	0.0003606
VENUS	2117-12-17 03:03	10.5	0.0475519	0.0469335	0.0002448

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
147.13008587	203.33976979	0.01140132	MINIMUM
7.11586818	56.24188065	0.37454821	SADDLE
5.14079924	233.68286084	1.62701581	SADDLE
182.17397661	50.58527155	2.04579245	MAXIMUM

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MOID Plots

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