Asteroids

2024JJ17 help

Last update: 2024-05-15 23:53 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.862

Aphelion (Q)

1.228

Eccentricity (e)

0.175

Inclination (i)

2.4

deg

Orbit period (P)

390.3

Earth MOID

0.00794

U parameter

6.8

Next Earth close approach

Date

2037-10-12

Nominal distance (from Earth center)

0.15856

23719657

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

8 - 17*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-05-14

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

1.045226

1-sigma variation

0.000099

Unit

Eccentricity (e)

Value

0.175172

1-sigma variation

0.000221

Unit

Inclination (i)

Value

2.4057

1-sigma variation

0.0076

Unit

Long. of Ascending Node (Ω)

Value

219.1947

1-sigma variation

0.0471

Unit

Arg. of Perihelion (ω)

Value

282.2308

1-sigma variation

0.0573

Unit

Mean Anomaly (M)

Value

31.22848

1-sigma variation

0.02315

Unit

Perihelion distance

Value

0.862132

1-sigma variation

Unit

Aphelion distance

Value

1.228320

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.030170

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.060368

1-sigma variation

Unit

MOID

Value

0.007938

1-sigma variation

Unit

Orbit Period

Value

390.3135

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.84089E-9	1.93199E-8	2.73909E-7	3.18093E-7	3.64492E-7	-2.28907E-6
e	1.93199E-8	4.86985E-8	1.27256E-6	5.48141E-6	-5.20290E-6	-4.68768E-6
i	2.73909E-7	1.27256E-6	5.81032E-5	3.42948E-4	-3.96240E-4	-7.70652E-5
Ω	3.18093E-7	5.48141E-6	3.42948E-4	2.22219E-3	-2.67772E-3	-1.62450E-4
ω	3.64492E-7	-5.20290E-6	-3.96240E-4	-2.67772E-3	3.28531E-3	2.27076E-5
M	-2.28907E-6	-4.68768E-6	-7.70652E-5	-1.62450E-4	2.27076E-5	5.36000E-4

Date of computation: 2024-05-15 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

27.692

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

8 - 17*

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

0.6

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.366571

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-05-14.36241

Unit

Source

[2]

Last Observation

Value

2024-05-14.96679

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

19 (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

[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 2024JJ17 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	1950-05-17 21:25	> 1 mo	0.1213591	0.0077043	16.0182028
EARTH	1961-11-15 17:04	> 1 mo	0.1898361	0.0157849	14.8630580
EARTH	1963-03-21 04:50	> 1 mo	0.1103780	0.0469260	5.2505082
EARTH	1963-06-06 06:15	> 1 mo	0.1394241	0.0184410	10.4942258
EARTH	1975-11-24 17:40	> 1 w	0.0209433	0.0169910	0.7137794
EARTH	1977-05-10 21:16	> 1 w	0.0097839	0.0076979	0.1853447
EARTH	1991-09-29 12:10	> 1 mo	0.1807031	0.0644463	0.1017246
EARTH	1992-02-15 07:05	> 1 mo	0.1305084	0.1300941	0.0004100
EARTH	1992-07-09 06:15	> 1 mo	0.1884175	0.0100925	0.0921426
EARTH	1993-05-21 23:25	> 1 w	0.1823537	0.0095266	0.2511618
EARTH	2006-11-22 15:57	1088.8	0.0150880	0.0145533	0.0018587
EARTH	2008-05-06 03:31	> 1 d	0.0417462	0.0092997	0.0125606
EARTH	2022-11-25 16:22	79.0	0.0544423	0.0525520	0.0006311
EARTH	2024-05-10 06:28	3.6	0.0079931	0.0079590	0.0000114
EARTH	2037-10-12 07:35	> 1 w	0.1585561	0.1399219	0.0062528
EARTH	2038-01-27 22:28	> 1 w	0.1237482	0.1169600	0.0022675
EARTH	2039-05-20 11:01	665.8	0.1644778	0.1296116	0.0116270
EARTH	2051-11-20 00:14	968.5	0.0614451	0.0215547	0.0141623
EARTH	2053-04-19 23:05	> 1 d	0.0782075	0.0554423	0.0077108
EARTH	2066-11-19 05:16	> 1 d	0.0634191	0.0142065	0.0369882
EARTH	2068-04-06 18:07	> 1 w	0.0951792	0.0421263	0.0193765
EARTH	2082-10-15 18:07	> 1 mo	0.1500528	0.0663059	0.0299286
EARTH	2083-01-22 11:01	> 1 mo	0.1219808	0.0842967	0.0126493
EARTH	2084-05-18 04:18	> 1 d	0.1153105	0.0099413	0.0570477
EARTH	2097-11-23 13:21	> 1 d	0.0247663	0.0143453	0.0551952
EARTH	2099-05-10 08:50	> 1 d	0.0081429	0.0081076	0.0026574
EARTH	2111-11-19 05:34	> 1 mo	0.0952666	0.0138889	5.9003148
EARTH	2113-04-09 11:25	> 1 mo	0.0907719	0.0256373	3.6158819

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