Asteroids

2008JP24 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.902

Aphelion (Q)

1.596

Eccentricity (e)

0.278

Inclination (i)

1.1

deg

Orbit period (P)

510.0

Earth MOID

0.00183

U parameter

6.8

Next Earth close approach

Date

2029-01-07

Nominal distance (from Earth center)

0.06902

10324693

Maximum Brightness

23.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 28*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2008-05-10

Observatory

Siding Spring 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

1.249170

1-sigma variation

0.000099

Unit

Eccentricity (e)

Value

0.277815

1-sigma variation

0.000052

Unit

Inclination (i)

Value

1.1385

1-sigma variation

0.0124

Unit

Long. of Ascending Node (Ω)

Value

40.8871

1-sigma variation

0.5007

Unit

Arg. of Perihelion (ω)

Value

125.5639

1-sigma variation

0.4806

Unit

Mean Anomaly (M)

Value

240.44719

1-sigma variation

0.75673

Unit

Perihelion distance

Value

0.902132

1-sigma variation

Unit

Aphelion distance

Value

1.596208

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.383579

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.017136

1-sigma variation

Unit

MOID

Value

0.001827

1-sigma variation

Unit

Orbit Period

Value

509.9539

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.70603E-9	5.11350E-9	1.22128E-6	-4.93297E-5	4.73524E-5	7.45525E-5
e	5.11350E-9	2.69646E-9	6.43443E-7	-2.59884E-5	2.49461E-5	3.92780E-5
i	1.22128E-6	6.43443E-7	1.53672E-4	-6.20702E-3	5.95822E-3	9.38075E-3
Ω	-4.93297E-5	-2.59884E-5	-6.20702E-3	2.50713E-1	-2.40663E-1	-3.78904E-1
ω	4.73524E-5	2.49461E-5	5.95822E-3	-2.40663E-1	2.31017E-1	3.63716E-1
M	7.45525E-5	3.92780E-5	9.38075E-3	-3.78904E-1	3.63716E-1	5.72642E-1

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

26.638

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

[-]

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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

6361

Unit

Source

[1]

Normalized RMS of residuals

Value

0.316721

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2008-05-10.59639

Unit

Source

[2]

Last Observation

Value

2008-05-22.413124

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

63 (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 2008JP24 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
MARS	1950-11-01 21:36	334.5	0.0149673	0.0137234	0.0020861
EARTH	1953-03-01 08:27	> 1 d	0.0941266	0.0915767	0.0008505
MARS	1956-11-16 05:28	118.8	0.0371086	0.0336485	0.0011579
EARTH	1964-01-18 07:55	> 1 d	0.0341429	0.0224376	0.0046235
EARTH	1975-01-16 00:35	> 1 d	0.0270800	0.0193624	0.0058102
EARTH	1986-02-19 17:56	> 1 w	0.0881351	0.0722332	0.0053915
MARS	1986-07-25 20:28	310.9	0.0449004	0.0135009	0.0146488
EARTH	1997-04-13 04:37	> 1 w	0.0700271	0.0403094	0.0099426
EARTH	2008-05-07 01:37	< 1 min	0.0073585	0.0073471	0.0000038
EARTH	2015-03-26 18:41	> 1 d	0.0866929	0.0790819	0.0025477
MARS	2018-12-15 07:03	494.5	0.0117333	0.0093210	0.0070716
EARTH	2022-01-26 11:06	> 1 d	0.0496612	0.0196725	0.0152120
EARTH	2029-01-07 13:49	> 1 d	0.0690163	0.0264605	0.0151488
MARS	2044-11-13 14:35	762.1	0.0388675	0.0154363	0.0223797
EARTH	2054-05-21 18:07	> 1 d	0.1682902	0.0209089	0.0491730
EARTH	2061-05-07 23:19	> 1 w	0.0095739	0.0018089	0.0507419
EARTH	2078-01-02 17:46	> 1 mo	0.1799055	0.0181675	5.2522338
EARTH	2085-02-19 16:50	> 1 mo	0.0800916	0.0266324	2.2151502
EARTH	2092-05-14 15:58	> 1 mo	0.0711066	0.0025831	4.9542072
EARTH	2109-01-20 00:05	> 1 mo	0.0195849	0.0184337	3.0857990
EARTH	2116-05-13 20:52	> 1 mo	0.0513646	0.0037305	96.6469103
MARS	2124-04-19 07:10	> 1 mo	0.0119913	0.0111426	1.4042402

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
46.07880938	122.42786962	0.00164755	MINIMUM
319.76154479	12.07004518	0.01884211	MINIMUM
2.86858109	67.09369131	0.09207737	SADDLE
181.80149431	246.12196382	0.58983996	SADDLE
3.31900447	247.67660694	1.90874086	SADDLE
181.85773440	66.15732042	2.58914541	MAXIMUM

Download:

MOID Plots

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