Asteroids

2026PW help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.884

Aphelion (Q)

3.665

Eccentricity (e)

0.611

Inclination (i)

10.7

deg

Orbit period (P)

1253.1

Earth MOID

0.02192

U parameter

8.8

Next Earth close approach

Date

2026-08-12

Nominal distance (from Earth center)

0.03318

4964189

Maximum Brightness

19.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.6

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-08-05

Observatory

ATLAS South Africa, Sutherland

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

2.274690

1-sigma variation

0.011628

Unit

Eccentricity (e)

Value

0.611271

1-sigma variation

0.002078

Unit

Inclination (i)

Value

10.6901

1-sigma variation

0.0262

Unit

Long. of Ascending Node (Ω)

Value

135.6606

1-sigma variation

0.0023

Unit

Arg. of Perihelion (ω)

Value

236.0158

1-sigma variation

0.0104

Unit

Mean Anomaly (M)

Value

330.71745

1-sigma variation

0.23566

Unit

Perihelion distance

Value

0.884238

1-sigma variation

Unit

Aphelion distance

Value

3.665143

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.178283

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.047582

1-sigma variation

Unit

MOID

Value

0.021918

1-sigma variation

Unit

Orbit Period

Value

1253.0887

1-sigma variation

Unit

U parameter

Value

8.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.35223E-4	2.41663E-5	3.04831E-4	2.72434E-5	-1.11356E-4	2.74040E-3
e	2.41663E-5	4.31900E-6	5.44784E-5	4.86873E-6	-1.98525E-5	4.89741E-4
i	3.04831E-4	5.44784E-5	6.87208E-4	6.14145E-5	-2.50727E-4	6.17758E-3
Ω	2.72434E-5	4.86873E-6	6.14145E-5	5.48890E-6	-2.24510E-5	5.52109E-4
ω	-1.11356E-4	-1.98525E-5	-2.50727E-4	-2.24510E-5	1.08776E-4	-2.25905E-3
M	2.74040E-3	4.89741E-4	6.17758E-3	5.52109E-4	-2.25905E-3	5.55365E-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

24.559

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

0.5

Unit

Source

[1]

Normalized RMS of residuals

Value

0.409606

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-05.961784

Unit

Source

[2]

Last Observation

Value

2026-08-08.34023

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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 2026PW 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	1978-10-03 01:07	> 1 mo	0.1844251	0.1486811	1.4573365
EARTH	2002-08-16 19:32	> 1 mo	0.0279888	0.0216027	0.6228842
EARTH	2026-08-12 03:06	< 1 min	0.0331836	0.0329046	0.0000930
EARTH	2043-11-28 23:19	> 1 mo	0.1917414	0.1794965	0.2903638
EARTH	2067-09-03 01:13	> 1 mo	0.1265518	0.0045804	1.3892862
EARTH	2108-11-09 02:50	> 1 mo	0.1861768	0.1765348	0.2205377

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
334.09408755	217.55908396	0.02191828	MINIMUM
22.92254524	313.02889036	0.18137430	MINIMUM
7.48406216	283.18494387	0.19438672	SADDLE
359.24795870	86.35403474	1.87779643	SADDLE
180.11441061	86.59862084	2.68235847	SADDLE
179.40475398	266.24735133	4.65686360	MAXIMUM

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MOID Plots

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