Asteroids

2025JA help

Last update: 2025-05-03 00:31 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.951

Aphelion (Q)

1.164

Eccentricity (e)

0.101

Inclination (i)

8.9

deg

Orbit period (P)

397.3

Earth MOID

0.00299

U parameter

5.4

Next Earth close approach

Date

2036-11-30

Nominal distance (from Earth center)

0.128

19148000

Maximum Brightness

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

7 - 15*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-01

Observatory

Catalina Sky Survey

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

1.057634

1-sigma variation

0.000014

Unit

Eccentricity (e)

Value

0.100850

1-sigma variation

0.000018

Unit

Inclination (i)

Value

8.8780

1-sigma variation

0.0014

Unit

Long. of Ascending Node (Ω)

Value

42.0362

1-sigma variation

1.380E-5

Unit

Arg. of Perihelion (ω)

Value

110.4458

1-sigma variation

0.0027

Unit

Mean Anomaly (M)

Value

61.14591

1-sigma variation

0.00390

Unit

Perihelion distance

Value

0.950972

1-sigma variation

Unit

Aphelion distance

Value

1.164296

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.093476

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.003340

1-sigma variation

Unit

MOID

Value

0.002988

1-sigma variation

Unit

Orbit Period

Value

397.2842

1-sigma variation

Unit

U parameter

Value

5.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.98586E-10	2.46128E-10	1.88539E-8	-1.74145E-10	2.99585E-8	-5.31157E-8
e	2.46128E-10	3.24601E-10	2.44880E-8	-1.95087E-10	3.00569E-8	-6.13532E-8
i	1.88539E-8	2.44880E-8	1.86007E-6	-1.55795E-8	2.43857E-6	-4.78572E-6
Ω	-1.74145E-10	-1.95087E-10	-1.55795E-8	1.90326E-10	-3.37857E-8	5.13244E-8
ω	2.99585E-8	3.00569E-8	2.43857E-6	-3.37857E-8	7.07941E-6	-9.63376E-6
M	-5.31157E-8	-6.13532E-8	-4.78572E-6	5.13244E-8	-9.63376E-6	1.52330E-5

Date of computation: 2025-05-02 13:17 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

28.033

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

7 - 15*

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

0.7

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.837262

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-01.440203

Unit

Source

[2]

Last Observation

Value

2025-05-02.101918

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

145 (14)

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 2025JA 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	1950-04-06 19:13	> 1 w	0.1554629	0.0495052	0.1119623
EARTH	1964-10-04 20:48	> 1 w	0.1740223	0.1298013	0.0210187
EARTH	1965-05-05 16:24	> 1 d	0.0520012	0.0020694	0.0474617
EARTH	1978-10-24 09:06	138.9	0.1338170	0.1319743	0.0006171
EARTH	1979-05-01 18:57	156.1	0.0169635	0.0120783	0.0016421
EARTH	1993-11-10 02:05	688.6	0.0740867	0.0700938	0.0014205
EARTH	1994-04-22 15:36	244.8	0.1194470	0.1113379	0.0027036
EARTH	2008-11-19 22:14	146.8	0.0775307	0.0730890	0.0015465
EARTH	2010-05-13 05:41	105.5	0.1965864	0.1897941	0.0022641
EARTH	2024-10-14 11:32	26.0	0.1516515	0.1516141	0.0000124
EARTH	2025-05-02 03:46	< 1 min	0.0034105	0.0034090	0.0000005
EARTH	2036-11-30 01:13	86.9	0.1279965	0.1247835	0.0010841
EARTH	2049-10-26 10:38	1054.7	0.1337283	0.1303381	0.0011569
EARTH	2050-05-04 04:09	216.2	0.0289159	0.0223266	0.0021986
EARTH	2061-10-21 03:31	> 1 w	0.1503990	0.1274526	0.0096235
EARTH	2062-05-06 13:59	> 1 d	0.0676865	0.0056282	0.0207008
EARTH	2084-11-28 21:40	> 1 d	0.1024688	0.0901843	0.0113594
EARTH	2085-03-24 06:18	> 1 d	0.1679107	0.1095111	0.0211683
EARTH	2096-11-16 14:42	> 1 w	0.0893705	0.0868674	0.0095347
EARTH	2097-04-24 06:25	> 1 d	0.0767058	0.0040278	0.0432836
EARTH	2108-11-14 04:03	> 1 w	0.0936080	0.0886075	0.0093853
EARTH	2109-04-27 07:19	> 1 d	0.0597224	0.0001060	0.0305468
EARTH	2120-11-24 14:19	> 1 d	0.0861035	0.0844916	0.0066302
EARTH	2121-04-12 14:53	> 1 d	0.1389763	0.0423325	0.0357128

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
63.73894029	118.48511309	0.00298815	MINIMUM
271.20341992	316.08902471	0.07984152	MINIMUM
343.48601338	31.51533890	0.15329842	SADDLE
169.06016404	221.01762578	0.22312359	SADDLE
5.35034132	235.61187808	1.95573383	SADDLE
189.56588072	59.88451009	2.14951142	MAXIMUM

Download:

MOID Plots

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