Asteroids

2025JB help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.789

Aphelion (Q)

1.699

Eccentricity (e)

0.366

Inclination (i)

19.2

deg

Orbit period (P)

506.9

Earth MOID

0.00192

U parameter

7.0

Next Earth close approach

Date

2038-11-16

Nominal distance (from Earth center)

0.10982

16428924

Maximum Brightness

24.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

8 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-02

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.244235

1-sigma variation

0.000231

Unit

Eccentricity (e)

Value

0.365623

1-sigma variation

0.000131

Unit

Inclination (i)

Value

19.2151

1-sigma variation

0.0058

Unit

Long. of Ascending Node (Ω)

Value

220.9963

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

281.1922

1-sigma variation

0.0099

Unit

Mean Anomaly (M)

Value

185.20552

1-sigma variation

0.05912

Unit

Perihelion distance

Value

0.789314

1-sigma variation

Unit

Aphelion distance

Value

1.699156

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.002678

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.168133

1-sigma variation

Unit

MOID

Value

0.001922

1-sigma variation

Unit

Orbit Period

Value

506.9348

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.35239E-8	2.99244E-8	1.32249E-6	5.49269E-8	2.10552E-6	-1.36768E-5
e	2.99244E-8	1.72248E-8	7.61728E-7	2.31683E-8	1.09335E-6	-7.62803E-6
i	1.32249E-6	7.61728E-7	3.36996E-5	1.01768E-6	4.82362E-5	-3.37099E-4
Ω	5.49269E-8	2.31683E-8	1.01768E-6	1.72283E-7	3.43851E-6	-1.43168E-5
ω	2.10552E-6	1.09335E-6	4.82362E-5	3.43851E-6	9.70332E-5	-5.41140E-4
M	-1.36768E-5	-7.62803E-6	-3.37099E-4	-1.43168E-5	-5.41140E-4	3.49546E-3

Date of computation: 2025-11-24 16:53 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

27.506

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

8 - 19*

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

0.6

Unit

Source

[1]

Unobserved

Value

288

Unit

Source

[1]

Normalized RMS of residuals

Value

0.618759

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-02.462922

Unit

Source

[2]

Last Observation

Value

2025-05-03.03267

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

44 (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 2025JB from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1962-04-30 19:59	> 1 w	0.0149923	0.0004861	0.3686431
EARTH	1972-05-09 10:55	> 1 w	0.1543847	0.0050818	0.3365700
EARTH	1974-11-20 08:50	> 1 d	0.1324575	0.1322774	0.0101703
EARTH	2005-04-19 04:33	> 1 d	0.1768776	0.0201755	0.0879223
EARTH	2015-04-30 21:35	> 1 d	0.0202045	0.0006747	0.0170764
EARTH	2025-05-01 12:30	< 1 min	0.0013341	0.0013315	0.0000009
EARTH	2038-11-16 14:30	792.1	0.1098206	0.1077636	0.0044748
EARTH	2050-04-25 07:06	> 1 d	0.1102367	0.0066465	0.0442189
EARTH	2063-11-12 22:28	> 1 d	0.1936124	0.1074979	0.0418691
EARTH	2068-05-07 10:10	> 1 d	0.1120550	0.0048730	0.0489434
EARTH	2081-11-17 21:21	369.7	0.1251270	0.1094920	0.0142987
EARTH	2093-04-29 07:12	> 1 d	0.0437244	0.0033864	0.0176727
EARTH	2106-11-14 02:29	> 1 d	0.1867004	0.1229962	0.0257639
EARTH	2111-05-09 03:39	> 1 d	0.1087947	0.0059052	0.0465863
EARTH	2124-11-18 08:18	> 1 d	0.1137650	0.1093928	0.0189192

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
58.69878293	119.05263623	0.00192246	MINIMUM
294.10627008	313.68820175	0.10744622	MINIMUM
355.05715465	33.14772851	0.35307580	SADDLE
177.17782321	219.89196350	0.80950771	SADDLE
0.34481368	221.16796136	1.77922340	SADDLE
182.40630113	43.66824543	2.65373341	MAXIMUM

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MOID Plots

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