Asteroids

2016GD241 help

Last update: 2024-04-25 23:56 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.343

Aphelion (Q)

2.632

Eccentricity (e)

0.769

Inclination (i)

11.7

deg

Orbit period (P)

662.9

Earth MOID

0.04687

U parameter

8.1

Next Earth close approach

Date

2065-05-05

Nominal distance (from Earth center)

0.06298

9421611

Maximum Brightness

17.9

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

21.4

mag

Diameter

140 - 300*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-04-14

Observatory

Pan-STARRS 1, Haleakala

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

1.487840

1-sigma variation

0.001218

Unit

Eccentricity (e)

Value

0.769188

1-sigma variation

0.000264

Unit

Inclination (i)

Value

11.6688

1-sigma variation

0.0078

Unit

Long. of Ascending Node (Ω)

Value

30.0952

1-sigma variation

0.0041

Unit

Arg. of Perihelion (ω)

Value

314.5393

1-sigma variation

0.0030

Unit

Mean Anomaly (M)

Value

103.86814

1-sigma variation

1.84301

Unit

Perihelion distance

Value

0.343412

1-sigma variation

Unit

Aphelion distance

Value

2.632268

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.599465

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.314968

1-sigma variation

Unit

MOID

Value

0.046865

1-sigma variation

Unit

Orbit Period

Value

662.8769

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.48429E-6	3.22072E-7	9.45364E-6	5.03209E-6	-3.59349E-6	-2.24537E-3
e	3.22072E-7	6.98860E-8	2.05127E-6	1.09189E-6	-7.79643E-7	-4.87216E-4
i	9.45364E-6	2.05127E-6	6.02194E-5	3.20531E-5	-2.28967E-5	-1.43011E-2
Ω	5.03209E-6	1.09189E-6	3.20531E-5	1.70616E-5	-1.21862E-5	-7.61233E-3
ω	-3.59349E-6	-7.79643E-7	-2.28967E-5	-1.21862E-5	8.71764E-6	5.43608E-3
M	-2.24537E-3	-4.87216E-4	-1.43011E-2	-7.61233E-3	5.43608E-3	3.39670E0

Date of computation: 2024-04-23 10:08 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

21.387

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

140 - 300*

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 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

2915

Unit

Source

[1]

Normalized RMS of residuals

Value

0.526481

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-04-14.59043

Unit

Source

[2]

Last Observation

Value

2016-05-03.29365

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

56 (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 2016GD241 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	1967-04-28 19:07	> 1 w	0.1174593	0.0427105	0.1670830
EARTH	1973-01-03 09:20	> 1 w	0.1888823	0.1880145	0.0180340
MERCURY	1992-11-13 16:41	> 1 w	0.0337213	0.0014264	0.3135246
EARTH	1996-05-08 22:60	> 1 d	0.1564058	0.0445098	0.1342385
EARTH	2016-05-02 04:27	< 1 min	0.0510960	0.0510273	0.0000229
MERCURY	2016-06-21 01:20	22.2	0.0199478	0.0184020	0.0005154
MERCURY	2036-05-25 16:36	> 1 w	0.0444013	0.0436809	0.0277863
MERCURY	2040-01-25 04:41	> 1 w	0.0200145	0.0008884	0.2330858
MERCURY	2059-12-29 16:10	> 1 w	0.0498917	0.0444045	0.0536178
EARTH	2065-05-05 08:48	> 1 d	0.0629796	0.0497133	0.0445740
EARTH	2085-04-28 08:54	408.8	0.1393308	0.1231661	0.0054450
EARTH	2091-01-03 21:29	> 1 d	0.1932124	0.1931988	0.0002983
EARTH	2114-05-10 18:04	> 1 d	0.1437047	0.0522637	0.1110368
MARS	2121-06-28 16:43	> 1 d	0.0237020	0.0226776	0.0276494

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