Asteroids

2024JD2 help

Last update: 2024-05-19 12:44 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.866

Aphelion (Q)

1.067

Eccentricity (e)

0.104

Inclination (i)

21.1

deg

Orbit period (P)

347.1

Earth MOID

0.05447

U parameter

8.0

Next Earth close approach

Date

2042-11-12

Nominal distance (from Earth center)

0.13663

20439898

Maximum Brightness

27.8

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-05-04

Observatory

Mt. Lemmon Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.966585

1-sigma variation

0.000524

Unit

Eccentricity (e)

Value

0.103597

1-sigma variation

0.000171

Unit

Inclination (i)

Value

21.1256

1-sigma variation

0.1361

Unit

Long. of Ascending Node (Ω)

Value

220.2606

1-sigma variation

0.0140

Unit

Arg. of Perihelion (ω)

Value

164.8416

1-sigma variation

0.1531

Unit

Mean Anomaly (M)

Value

164.32446

1-sigma variation

0.20768

Unit

Perihelion distance

Value

0.866450

1-sigma variation

Unit

Aphelion distance

Value

1.066720

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.054911

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.122055

1-sigma variation

Unit

MOID

Value

0.054470

1-sigma variation

Unit

Orbit Period

Value

347.1031

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.74194E-7	-8.83884E-8	7.07967E-5	-7.32184E-6	-7.98133E-5	1.08409E-4
e	-8.83884E-8	2.92400E-8	-2.24023E-5	2.32454E-6	2.61098E-5	-3.53857E-5
i	7.07967E-5	-2.24023E-5	1.85161E-2	-1.91059E-3	-2.03908E-2	2.77413E-2
Ω	-7.32184E-6	2.32454E-6	-1.91059E-3	1.97225E-4	2.11286E-3	-2.87366E-3
ω	-7.98133E-5	2.61098E-5	-2.03908E-2	2.11286E-3	2.34355E-2	-3.17907E-2
M	1.08409E-4	-3.53857E-5	2.77413E-2	-2.87366E-3	-3.17907E-2	4.31330E-2

Date of computation: 2024-05-07 11:58 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

24.526

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

30 - 70*

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 ODIM	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

0.51547

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-05-04.274997

Unit

Source

[2]

Last Observation

Value

2024-05-07.19825

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (1)

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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2024JD2 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1966-11-16 20:14	> 1 mo	0.1575061	0.1319780	0.2052941
EARTH	1967-04-29 00:10	> 1 w	0.1235863	0.0638467	0.2967283
EARTH	1968-05-04 10:37	> 1 d	0.1769710	0.0692985	0.3217363
EARTH	1985-11-09 16:07	> 1 mo	0.1287951	0.1239742	0.0672381
EARTH	1986-04-30 13:49	> 1 d	0.0756831	0.0565418	0.1516364
EARTH	2004-11-06 21:04	> 1 w	0.1235915	0.1223683	0.0133926
EARTH	2005-04-30 22:27	> 1 d	0.0632645	0.0553187	0.0426012
EARTH	2023-11-08 13:13	657.7	0.1246051	0.1214125	0.0011632
EARTH	2024-04-30 11:40	1.7	0.0680644	0.0668166	0.0004159
EARTH	2042-11-12 16:20	> 1 w	0.1366323	0.1256202	0.0359629
EARTH	2043-04-30 03:41	> 1 d	0.0959669	0.0589911	0.0678987
EARTH	2061-11-20 00:03	> 1 w	0.1760517	0.1360571	0.0925195
EARTH	2062-04-27 19:24	> 1 d	0.1540500	0.0706304	0.1178030
EARTH	2062-10-18 13:08	> 1 w	0.1865282	0.1422496	0.0936413
EARTH	2063-05-04 20:38	> 1 d	0.1391178	0.0643421	0.1194753
EARTH	2081-10-26 14:18	> 1 w	0.1445610	0.1280419	0.0500696
EARTH	2082-05-03 12:49	> 1 d	0.0827967	0.0570603	0.0714196
EARTH	2100-10-31 17:16	> 1 d	0.1294867	0.1248181	0.0067317
EARTH	2101-05-03 13:56	798.3	0.0611020	0.0548866	0.0098536
EARTH	2119-11-02 09:45	> 1 d	0.1276553	0.1232507	0.0117063
EARTH	2120-05-03 04:57	1359.9	0.0583481	0.0550836	0.0136691

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