Asteroids

2025PX1 help

Last update: 2025-08-16 12:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.035

Aphelion (Q)

1.838

Eccentricity (e)

0.280

Inclination (i)

8.1

deg

Orbit period (P)

628.9

Earth MOID

0.02145

U parameter

6.9

Next Earth close approach

Date

2056-08-09

Nominal distance (from Earth center)

0.03505

5243495

Maximum Brightness

21.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.436496

1-sigma variation

0.000294

Unit

Eccentricity (e)

Value

0.279779

1-sigma variation

0.000141

Unit

Inclination (i)

Value

8.0506

1-sigma variation

0.0030

Unit

Long. of Ascending Node (Ω)

Value

322.2791

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

4.4222

1-sigma variation

0.0047

Unit

Mean Anomaly (M)

Value

53.68817

1-sigma variation

0.01635

Unit

Perihelion distance

Value

1.034594

1-sigma variation

Unit

Aphelion distance

Value

1.838398

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.021474

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.848627

1-sigma variation

Unit

MOID

Value

0.021455

1-sigma variation

Unit

Orbit Period

Value

628.8616

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.61765E-8	4.13663E-8	8.77548E-7	3.76801E-8	-1.34877E-7	-4.74089E-6
e	4.13663E-8	1.98573E-8	4.21335E-7	1.80862E-8	-6.07105E-8	-2.27789E-6
i	8.77548E-7	4.21335E-7	8.95517E-6	3.83541E-7	-8.17712E-7	-4.85771E-5
Ω	3.76801E-8	1.80862E-8	3.83541E-7	1.64905E-8	-6.35887E-8	-2.07044E-6
ω	-1.34877E-7	-6.07105E-8	-8.17712E-7	-6.35887E-8	2.24124E-5	-4.55999E-6
M	-4.74089E-6	-2.27789E-6	-4.85771E-5	-2.07044E-6	-4.55999E-6	2.67279E-4

Date of computation: 2025-08-16 12:45 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

26.805

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

12 - 26*

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

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.768639

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-14.282503

Unit

Source

[2]

Last Observation

Value

2025-08-15.69506

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

72 (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

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2025PX1 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1975-08-25 07:08	> 1 d	0.0487084	0.0141671	0.0287373
EARTH	1994-08-01 13:22	> 1 w	0.0729664	0.0047737	0.0437781
EARTH	2025-08-14 23:41	1.0	0.0225031	0.0224752	0.0000093
EARTH	2056-08-09 11:41	> 1 w	0.0350506	0.0186517	0.0356798
EARTH	2068-09-02 16:38	44.6	0.0928272	0.0926225	0.0000692
EARTH	2099-07-18 07:02	> 1 w	0.1835669	0.0290060	0.1106171
EARTH	2111-08-16 07:14	> 1 w	0.0225415	0.0220778	0.0187083
EARTH	2123-09-06 03:45	> 1 mo	0.1002472	0.0095873	1.6496636

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
356.90110303	221.90695507	0.02145478	MINIMUM
179.02386871	44.25115201	0.85000316	SADDLE
357.85056076	43.15869934	2.02296600	SADDLE
178.63063922	223.95172100	2.85146666	MAXIMUM

Download:

MOID Plots

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