Asteroids

2025JG2 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.669

Aphelion (Q)

1.101

Eccentricity (e)

0.244

Inclination (i)

19.1

deg

Orbit period (P)

304.0

Earth MOID

0.02297

U parameter

5.5

Next Earth close approach

Date

2030-05-04

Nominal distance (from Earth center)

0.04461

6673801

Maximum Brightness

20.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.5

mag

Diameter

21 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-03

Observatory

ATLAS-MLO, Mauna Loa

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

0.884868

1-sigma variation

0.000007

Unit

Eccentricity (e)

Value

0.244148

1-sigma variation

0.000447

Unit

Inclination (i)

Value

19.0843

1-sigma variation

0.0661

Unit

Long. of Ascending Node (Ω)

Value

44.6202

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

36.2490

1-sigma variation

0.0401

Unit

Mean Anomaly (M)

Value

1.11516

1-sigma variation

0.09519

Unit

Perihelion distance

Value

0.668829

1-sigma variation

Unit

Aphelion distance

Value

1.100907

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.295897

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.025960

1-sigma variation

Unit

MOID

Value

0.022975

1-sigma variation

Unit

Orbit Period

Value

304.0297

1-sigma variation

Unit

U parameter

Value

5.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.65877E-11	-2.92930E-9	-4.33254E-7	-2.20975E-9	-2.61396E-7	6.20148E-7
e	-2.92930E-9	2.00016E-7	2.95807E-5	1.51802E-7	1.79314E-5	-4.25636E-5
i	-4.33254E-7	2.95807E-5	4.37482E-3	2.24484E-5	2.65189E-3	-6.29475E-3
Ω	-2.20975E-9	1.51802E-7	2.24484E-5	1.15347E-7	1.36137E-5	-3.23158E-5
ω	-2.61396E-7	1.79314E-5	2.65189E-3	1.36137E-5	1.60796E-3	-3.81690E-3
M	6.20148E-7	-4.25636E-5	-6.29475E-3	-3.23158E-5	-3.81690E-3	9.06038E-3

Date of computation: 2025-09-10 00:30 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

25.539

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

21 - 50*

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

190

Unit

Source

[1]

Normalized RMS of residuals

Value

1.02306

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-04-30.357634

Unit

Source

[2]

Last Observation

Value

2025-05-04.97058

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (3)

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 2025JG2 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	1956-05-03 01:43	501.3	0.1414631	0.0763917	0.0222861
VENUS	1960-12-30 11:14	797.7	0.0189099	0.0186237	0.0008981
EARTH	1961-05-02 23:54	109.8	0.0340258	0.0244755	0.0047026
EARTH	1966-05-05 08:04	352.2	0.0606694	0.0440427	0.0057817
EARTH	1971-05-11 01:31	444.9	0.1416849	0.1283428	0.0044702
VENUS	1977-08-11 05:55	239.0	0.0232398	0.0211360	0.0009083
EARTH	2010-05-03 10:40	24.1	0.1416624	0.1408860	0.0002588
EARTH	2015-05-03 03:45	18.7	0.0732799	0.0725632	0.0002389
EARTH	2020-05-02 17:30	4.7	0.0311994	0.0306672	0.0001778
EARTH	2025-05-03 11:16	< 1 min	0.0256367	0.0253953	0.0000805
EARTH	2030-05-04 13:37	5.4	0.0446116	0.0435995	0.0003381
EARTH	2035-05-06 18:30	12.3	0.0837968	0.0821472	0.0005501
EARTH	2040-05-09 18:32	22.5	0.1353689	0.1332321	0.0007124
EARTH	2045-05-14 16:35	23.4	0.1806406	0.1777126	0.0009762
VENUS	2053-04-09 19:49	30.4	0.0225055	0.0213276	0.0003928
VENUS	2069-11-19 01:32	185.2	0.0198820	0.0190191	0.0004687
EARTH	2079-05-03 11:30	79.6	0.1143040	0.0965865	0.0059317
EARTH	2084-05-03 00:44	204.6	0.0240118	0.0225598	0.0027796
EARTH	2089-05-06 12:46	> 1 d	0.0876498	0.0395791	0.0178298
EARTH	2094-05-14 12:25	> 1 d	0.1790877	0.1156086	0.0224556
VENUS	2122-03-09 17:46	> 1 d	0.0331458	0.0175270	0.0180354
EARTH	2123-05-04 11:08	331.5	0.1132487	0.0826806	0.0103986

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
131.97490632	119.71547481	0.02435417	MINIMUM
310.48288130	279.91504299	0.27942133	MINIMUM
242.13702845	209.28283272	0.33240694	SADDLE
30.51405001	16.04761053	0.38993396	SADDLE
6.24657889	165.44662974	1.67494172	SADDLE
173.25487125	331.61323019	2.07770642	MAXIMUM

Download:

MOID Plots

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