Asteroids

2025PC help

Last update: 2025-08-16 13:22 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.779

Aphelion (Q)

1.432

Eccentricity (e)

0.295

Inclination (i)

2.6

deg

Orbit period (P)

424.6

Earth MOID

0.00053

U parameter

6.4

Next Earth close approach

Date

2032-07-02

Nominal distance (from Earth center)

0.15445

23104937

Maximum Brightness

30.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

29.4

mag

Diameter

3 - 8*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-08-01

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.105541

1-sigma variation

0.000066

Unit

Eccentricity (e)

Value

0.295263

1-sigma variation

0.000088

Unit

Inclination (i)

Value

2.6244

1-sigma variation

0.0008

Unit

Long. of Ascending Node (Ω)

Value

307.6951

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

269.3672

1-sigma variation

0.0022

Unit

Mean Anomaly (M)

Value

153.00818

1-sigma variation

0.01912

Unit

Perihelion distance

Value

0.779116

1-sigma variation

Unit

Aphelion distance

Value

1.431966

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.003580

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.020338

1-sigma variation

Unit

MOID

Value

0.000534

1-sigma variation

Unit

Orbit Period

Value

424.5812

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.39596E-9	5.76893E-9	4.91032E-8	1.59711E-9	6.77389E-8	-1.26762E-6
e	5.76893E-9	7.79724E-9	6.85605E-8	5.75594E-9	5.96536E-8	-1.66588E-6
i	4.91032E-8	6.85605E-8	6.24905E-7	8.54970E-8	2.23820E-7	-1.42024E-5
Ω	1.59711E-9	5.75594E-9	8.54970E-8	6.08399E-8	-4.48580E-7	-4.98872E-7
ω	6.77389E-8	5.96536E-8	2.23820E-7	-4.48580E-7	4.81890E-6	-1.92294E-5
M	-1.26762E-6	-1.66588E-6	-1.42024E-5	-4.98872E-7	-1.92294E-5	3.65557E-4

Date of computation: 2025-08-16 13:22 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

29.437

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

3 - 8*

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

0.9

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.562421

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-01.22312

Unit

Source

[2]

Last Observation

Value

2025-08-02.150892

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (0)

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 2025PC 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	1950-08-04 19:09	> 1 mo	0.1022844	0.0121957	1.2666907
EARTH	1958-01-31 23:26	> 1 mo	0.1124014	0.0080940	53.3356460
EARTH	1959-07-27 13:13	> 1 mo	0.0585372	0.0014039	59.9755470
EARTH	1967-01-19 05:08	> 1 mo	0.0741052	0.0052005	61.1009607
EARTH	1986-02-27 10:13	> 1 mo	0.1737800	0.0056951	4.1584010
EARTH	1987-07-31 05:17	> 1 d	0.0011968	0.0009201	0.0432810
EARTH	1998-02-05 20:08	> 1 w	0.1507453	0.0614387	0.0305776
EARTH	2010-01-10 18:40	100.1	0.1150217	0.1123451	0.0008927
EARTH	2012-07-29 09:01	463.0	0.0272503	0.0065215	0.0069143
EARTH	2023-01-15 04:44	91.2	0.0189204	0.0156983	0.0012010
EARTH	2025-07-31 13:16	< 1 min	0.0007503	0.0007494	0.0000003
EARTH	2032-07-02 19:10	> 1 d	0.1544470	0.1462008	0.0027497
EARTH	2053-02-20 04:41	> 1 d	0.1350767	0.1087155	0.0087893
EARTH	2060-01-30 07:10	628.5	0.0407543	0.0147090	0.0087296
EARTH	2061-08-05 19:22	431.7	0.0894973	0.0765224	0.0043250
EARTH	2068-07-15 17:16	> 1 d	0.1274657	0.0829121	0.0148614
EARTH	2089-02-05 02:24	> 1 d	0.0616466	0.0031030	0.0498935
EARTH	2096-01-27 20:15	> 1 d	0.0977673	0.0031147	0.0455653
EARTH	2097-08-03 16:37	> 1 d	0.0469308	0.0012665	0.0395227
EARTH	2104-07-28 16:35	> 1 d	0.0590716	0.0017453	0.0366861
EARTH	2111-06-22 04:00	> 1 mo	0.1795743	0.0498602	0.0447860

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
74.10228421	207.54159705	0.00053404	MINIMUM
291.42782288	29.76198337	0.00304863	MINIMUM
3.52913804	119.42948069	0.23321585	SADDLE
181.94646220	297.80558750	0.44242072	SADDLE
3.54464796	299.46982864	1.77136769	SADDLE
182.00249474	117.85659400	2.43988909	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2025PC

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2117-07-30.819	94488.819	0.826	0.000	1.57 ± 0.002	3.11E6	4.81E-8	3.24E-3	-9.75	0
2124-07-30.866	97045.866	0.828	0.000	1.46 ± 0.002	1.72E6	2.08E-7	3.25E-3	-9.15	0


Based on 22 optical observations (of which 0 are rejected as outliers) from 2025/08/01.223 to 2025/08/02.151.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.59 and 1.59 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: