Asteroids

2025JC1 help

Last update: 2025-05-06 01:01 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.839

Aphelion (Q)

1.729

Eccentricity (e)

0.346

Inclination (i)

4.2

deg

Orbit period (P)

531.4

Earth MOID

0.00027

U parameter

7.6

Next Earth close approach

Date

2027-12-14

Nominal distance (from Earth center)

0.05937

8881151

Maximum Brightness

23.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 28*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-03

Observatory

ATLAS Chile, Rio Hurtado

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

1.283897

1-sigma variation

0.000554

Unit

Eccentricity (e)

Value

0.346321

1-sigma variation

0.000373

Unit

Inclination (i)

Value

4.2467

1-sigma variation

0.0041

Unit

Long. of Ascending Node (Ω)

Value

39.6593

1-sigma variation

0.0014

Unit

Arg. of Perihelion (ω)

Value

110.7518

1-sigma variation

0.0054

Unit

Mean Anomaly (M)

Value

39.32995

1-sigma variation

0.03704

Unit

Perihelion distance

Value

0.839257

1-sigma variation

Unit

Aphelion distance

Value

1.728537

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.295951

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.001015

1-sigma variation

Unit

MOID

Value

0.000265

1-sigma variation

Unit

Orbit Period

Value

531.3660

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.06881E-7	2.06413E-7	2.25851E-6	4.26679E-7	2.34316E-6	-2.04943E-5
e	2.06413E-7	1.39111E-7	1.52355E-6	2.67831E-7	1.51981E-6	-1.37563E-5
i	2.25851E-6	1.52355E-6	1.67076E-5	2.84279E-6	1.63243E-5	-1.50369E-4
Ω	4.26679E-7	2.67831E-7	2.84279E-6	1.98680E-6	7.15994E-6	-3.05094E-5
ω	2.34316E-6	1.51981E-6	1.63243E-5	7.15994E-6	2.94043E-5	-1.62298E-4
M	-2.04943E-5	-1.37563E-5	-1.50369E-4	-3.05094E-5	-1.62298E-4	1.37163E-3

Date of computation: 2025-05-05 06:45 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

26.62

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

13 - 28*

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

0.280897

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-03.190928

Unit

Source

[2]

Last Observation

Value

2025-05-04.925095

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

15 (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 2025JC1 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	1976-05-08 05:24	> 1 d	0.1059437	0.0017125	0.0535245
EARTH	1979-04-21 02:27	> 1 w	0.0639689	0.0024141	0.0855107
EARTH	1982-02-27 04:19	> 1 mo	0.1557207	0.1364158	0.0095114
EARTH	1985-01-01 11:19	> 1 w	0.0985781	0.0524948	0.0861785
EARTH	1987-12-12 14:09	> 1 w	0.1124445	0.0536813	0.1117149
EARTH	2022-05-14 01:38	816.4	0.1871903	0.1528496	0.0114476
EARTH	2025-04-29 22:26	2.1	0.0033652	0.0033551	0.0000034
EARTH	2027-12-14 02:38	1309.9	0.0593668	0.0518577	0.0060035
MARS	2032-02-01 07:20	87.2	0.0156725	0.0083481	0.0210429
EARTH	2041-04-13 21:39	> 1 w	0.0924834	0.0100061	0.0441625
EARTH	2043-12-06 18:15	> 1 d	0.1568954	0.0501728	0.0602713
EARTH	2057-02-24 04:54	> 1 mo	0.1617789	0.1548479	0.0033277
EARTH	2070-05-11 00:47	> 1 d	0.1350112	0.0034019	0.0462466
EARTH	2072-12-30 19:15	> 1 w	0.1035207	0.0505709	0.0291327
EARTH	2086-05-02 22:46	1355.0	0.0210653	0.0015778	0.0120317
EARTH	2088-12-22 21:59	> 1 d	0.0741162	0.0526823	0.0110556
MARS	2096-01-14 18:53	138.2	0.0207625	0.0065785	0.0632114
EARTH	2105-03-27 04:55	> 1 mo	0.1325319	0.0402179	0.0606881
EARTH	2107-12-10 05:26	> 1 w	0.1342570	0.0517515	0.1275279
EARTH	2121-05-12 06:27	> 1 w	0.1388978	0.0040953	0.1229617
EARTH	2124-02-01 04:02	> 1 mo	0.1496927	0.0760584	0.0358584

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
51.52599588	116.75813036	0.00026503	MINIMUM
310.86758847	341.85674695	0.05185551	MINIMUM
0.34783699	47.90473300	0.16247097	SADDLE
180.70760238	229.13379799	0.72366140	SADDLE
2.18646938	230.49749729	1.84871451	SADDLE
181.21138268	49.47893778	2.71618576	MAXIMUM

Download:

MOID Plots

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