Asteroids

2025JW1 help

Last update: 2025-05-07 02:00 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.665

Aphelion (Q)

1.313

Eccentricity (e)

0.328

Inclination (i)

13.8

deg

Orbit period (P)

359.1

Earth MOID

0.00726

U parameter

7.1

Next Earth close approach

Date

2025-05-10

Nominal distance (from Earth center)

0.00778

1163474

Maximum Brightness

17.2

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.9

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-05

Observatory

MAP, San Pedro de Atacama

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.988693

1-sigma variation

0.000148

Unit

Eccentricity (e)

Value

0.327895

1-sigma variation

0.000294

Unit

Inclination (i)

Value

13.8035

1-sigma variation

0.0141

Unit

Long. of Ascending Node (Ω)

Value

48.2370

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

294.6982

1-sigma variation

0.0108

Unit

Mean Anomaly (M)

Value

279.07150

1-sigma variation

0.04895

Unit

Perihelion distance

Value

0.664506

1-sigma variation

Unit

Aphelion distance

Value

1.312880

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.214172

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.013155

1-sigma variation

Unit

MOID

Value

0.007259

1-sigma variation

Unit

Orbit Period

Value

359.0795

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.18521E-8	4.30448E-8	2.08085E-6	3.58235E-8	-1.58305E-6	7.21607E-6
e	4.30448E-8	8.66736E-8	4.14236E-6	6.28182E-8	-3.04857E-6	1.43739E-5
i	2.08085E-6	4.14236E-6	1.99200E-4	3.23671E-6	-1.49117E-4	6.90801E-4
Ω	3.58235E-8	6.28182E-8	3.23671E-6	9.26692E-8	-2.87925E-6	1.11683E-5
ω	-1.58305E-6	-3.04857E-6	-1.49117E-4	-2.87925E-6	1.17276E-4	-5.16864E-4
M	7.21607E-6	1.43739E-5	6.90801E-4	1.11683E-5	-5.16864E-4	2.39644E-3

Date of computation: 2025-05-07 02:00 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

25.913

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

17 - 40*

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

0.490621

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-05.25271

Unit

Source

[2]

Last Observation

Value

2025-05-07.062226

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

30 (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 2025JW1 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	1953-12-17 10:48	> 1 mo	0.1706601	0.1388035	0.3664172
EARTH	1954-12-09 01:10	> 1 mo	0.1365718	0.1363273	0.0323521
EARTH	1955-11-26 15:55	> 1 mo	0.1763893	0.1470359	0.2490385
VENUS	1959-10-06 23:51	> 1 d	0.0153696	0.0151186	0.0127682
EARTH	1965-05-11 15:18	773.7	0.1157957	0.0065052	0.0451594
EARTH	1966-05-10 20:19	> 1 d	0.0100432	0.0067260	0.0451500
EARTH	1967-05-08 08:12	> 1 d	0.0845551	0.0070595	0.0643817
EARTH	1968-05-04 04:05	> 1 d	0.1787514	0.0066116	0.0653721
EARTH	2011-12-20 06:01	1316.7	0.1961853	0.1652108	0.0116893
EARTH	2012-12-12 06:56	> 1 d	0.1408012	0.1365896	0.0038375
EARTH	2013-12-02 16:18	> 1 d	0.1506750	0.1392270	0.0058172
EARTH	2024-05-11 11:04	17.9	0.1000325	0.0964297	0.0012012
EARTH	2025-05-10 07:34	< 1 min	0.0077789	0.0077581	0.0000069
EARTH	2026-05-06 21:56	57.5	0.1189965	0.1152978	0.0012330
VENUS	2035-06-11 09:53	1156.9	0.0484742	0.0136572	0.0129440
EARTH	2064-12-14 21:46	> 1 d	0.1506017	0.1394687	0.0076682
EARTH	2065-12-04 15:48	> 1 d	0.1484920	0.1396095	0.0072294
VENUS	2071-09-25 17:47	> 1 d	0.0210260	0.0124552	0.0234991
EARTH	2075-05-10 13:26	266.1	0.1603858	0.1550873	0.0017819
EARTH	2076-05-11 15:29	227.2	0.0601380	0.0474544	0.0042289
VENUS	2076-08-22 11:43	1061.4	0.0399158	0.0216820	0.0063038
EARTH	2077-05-09 11:46	571.2	0.0446491	0.0195170	0.0089328
EARTH	2078-05-06 00:50	820.4	0.1533587	0.1142656	0.0130566
VENUS	2117-11-12 01:07	> 1 d	0.0346879	0.0103331	0.0476487
EARTH	2117-12-15 03:50	> 1 d	0.1460196	0.1388591	0.0139251
EARTH	2118-12-04 16:11	> 1 d	0.1538307	0.1440751	0.0082702

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
265.55708479	126.64390007	0.00726030	MINIMUM
75.56790945	335.31399377	0.13575189	MINIMUM
350.38778485	228.63682838	0.39268704	SADDLE
170.42969852	53.78832904	0.41058513	SADDLE
354.91205669	55.21505794	1.64595488	SADDLE
179.76333833	240.52832084	2.30676396	MAXIMUM

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MOID Plots

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