Asteroids

162039 1996JG help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.612

Aphelion (Q)

2.993

Eccentricity (e)

0.660

Inclination (i)

5.3

deg

Orbit period (P)

883.8

Earth MOID

0.01214

U parameter

0.0

Next Earth close approach

Date

2042-05-18

Nominal distance (from Earth center)

0.10685

15983839

Maximum Brightness

17.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

18.9

mag

Diameter

400 - 1000*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

1996-05-08

Observatory

Siding Spring Observatory

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

1.802319

1-sigma variation

5.476E-10

Unit

Eccentricity (e)

Value

0.660374

1-sigma variation

1.515E-8

Unit

Inclination (i)

Value

5.2812

1-sigma variation

5.335E-6

Unit

Long. of Ascending Node (Ω)

Value

52.8237

1-sigma variation

1.113E-5

Unit

Arg. of Perihelion (ω)

Value

280.2456

1-sigma variation

1.194E-5

Unit

Mean Anomaly (M)

Value

49.30578

1-sigma variation

3.033E-6

Unit

Perihelion distance

Value

0.612114

1-sigma variation

Unit

Aphelion distance

Value

2.992524

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.079991

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.139903

1-sigma variation

Unit

MOID

Value

0.012137

1-sigma variation

Unit

Orbit Period

Value

883.7837

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.99853E-19	6.82257E-18	9.10455E-17	-4.61827E-16	2.03410E-15	-1.47368E-15
e	6.82257E-18	2.29552E-16	-2.91630E-15	-9.26245E-15	5.70805E-14	-2.37421E-14
i	9.10455E-17	-2.91630E-15	2.84590E-11	3.92439E-11	-3.70831E-11	-1.58592E-12
Ω	-4.61827E-16	-9.26245E-15	3.92439E-11	1.23806E-10	-1.27633E-10	3.66764E-12
ω	2.03410E-15	5.70805E-14	-3.70831E-11	-1.27633E-10	1.42604E-10	-9.55259E-12
M	-1.47368E-15	-2.37421E-14	-1.58592E-12	3.66764E-12	-9.55259E-12	9.20175E-12

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

18.941

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

400 - 1000*

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

Radar R

Unit

Source

[3]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude
[3]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

10619

Unit

Source

[1]

Unobserved

Value

134

Unit

Source

[1]

Normalized RMS of residuals

Value

0.503318

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1996-05-08.60138

Unit

Source

[2]

Last Observation

Value

2025-06-05.024139

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

750 (6)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

1996-05-26

Unit

Source

[3]

Last Observation

Value

1996-05-28

Unit

Source

[3]

Delay (Discarded)

Value

3 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

6 (0)

Unit

Source

[1]

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
[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 162039 1996JG 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
VENUS	1960-05-10 15:04	< 1 s	0.0208322	0.0208319	0.0000001
EARTH	1967-05-25 04:09	< 1 min	0.0229061	0.0229055	0.0000002
EARTH	1974-11-27 09:23	< 1 min	0.0843350	0.0843342	0.0000002
EARTH	1996-05-24 14:53	< 1 s	0.0196257	0.0196257	0.0000000
EARTH	2003-11-30 18:28	< 1 s	0.1418235	0.1418232	0.0000001
EARTH	2025-06-05 12:02	< 1 s	0.1684248	0.1684245	0.0000001
VENUS	2028-01-16 01:53	< 1 s	0.0261305	0.0261301	0.0000001
EARTH	2042-05-18 23:23	< 1 min	0.1068454	0.1068435	0.0000006
EARTH	2049-11-26 08:24	< 1 min	0.0574288	0.0574262	0.0000008
VENUS	2066-10-19 15:03	< 1 s	0.0293130	0.0293129	0.0000000
EARTH	2066-11-08 05:26	< 1 s	0.1967181	0.1967180	0.0000000
MARS	2068-11-16 11:44	< 1 s	0.0407207	0.0407205	0.0000001
VENUS	2071-07-11 19:34	< 1 min	0.0395362	0.0395357	0.0000002
EARTH	2088-06-09 08:44	< 1 min	0.1985749	0.1985711	0.0000013
EARTH	2105-05-31 06:18	< 1 min	0.0813026	0.0812963	0.0000021
EARTH	2122-05-27 04:46	< 1 min	0.0240011	0.0240000	0.0000004

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
46.70589751	318.76523886	0.01217402	MINIMUM
311.41967233	140.33026243	0.01700033	MINIMUM
358.48167461	228.67296781	0.40481278	SADDLE
358.65132034	49.03098318	1.59985620	SADDLE
179.68203782	50.49363536	2.00809136	SADDLE
179.74636680	230.51772993	3.99868852	MAXIMUM

Download:

MOID Plots

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