Asteroids

2016GH1

Last update: 2023-03-30 21:00 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.993

Aphelion (Q)

1.910

Eccentricity (e)

0.316

Inclination (i)

2.8

deg

Orbit period (P)

638.7

Earth MOID

0.00480

U parameter

6.6

Next Earth close approach

Date

2056-05-29

Nominal distance (from Earth center)

0.0604

9035676

Maximum Brightness

23.9

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

11*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-04-02

Observatory

Steward Observatory, Mt. Lemmon Station

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)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.451484

1-sigma variation

0.000155

Unit

Eccentricity (e)

Value

0.315557

1-sigma variation

0.000075

Unit

Inclination (i)

Value

2.7724

1-sigma variation

0.0006

Unit

Ascending Node (Ω)

Value

11.8167

1-sigma variation

0.0018

Unit

Arg. of Perihelion (ω)

Value

201.1626

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

329.73064

1-sigma variation

0.21886

Unit

Perihelion

Value

0.993458

1-sigma variation

Unit

Aphelion

Value

1.909510

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.850825

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.010551

1-sigma variation

Unit

MOID

Value

0.004795

1-sigma variation

Unit

Orbit Period

Value

638.7293

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.40495E-8	1.16619E-8	8.80003E-8	-2.74705E-7	2.95527E-7	-3.39410E-5
e	1.16619E-8	5.65506E-9	4.26632E-8	-1.33211E-7	1.43389E-7	-1.64584E-5
i	8.80003E-8	4.26632E-8	3.23232E-7	-1.00469E-6	1.07205E-6	-1.24191E-4
Ω	-2.74705E-7	-1.33211E-7	-1.00469E-6	3.13807E-6	-3.37896E-6	3.87693E-4
ω	2.95527E-7	1.43389E-7	1.07205E-6	-3.37896E-6	3.71654E-6	-4.17117E-4
M	-3.39410E-5	-1.64584E-5	-1.24191E-4	3.87693E-4	-4.17117E-4	4.79010E-2

Date of computation: 2022-11-23 04:56 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

27.504

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

11*

Unit

Source

[3]

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]	NEODyS	NEO Dynamic Site: https://newton.spacedys.com/neodys2
[3]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

2551

Unit

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.383281

Unit

arcsec

Source

[1]

First Observation

Value

2016-04-02.17791

Unit

Source

[2]

Last Observation

Value

2016-04-04.641453

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

104 (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 2016GH1 from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1956-03-08 09:12	> 1 d	0.1902377	0.0573380	0.0444388
EARTH	1963-05-12 06:41	> 1 d	0.0333530	0.0284556	0.0054108
EARTH	1986-03-12 04:32	> 1 d	0.1500119	0.0936195	0.0188088
EARTH	1993-06-03 10:26	> 1 d	0.1003118	0.0457420	0.0212164
MARS	2014-11-04 19:03	70.9	0.0178409	0.0174970	0.0002843
EARTH	2016-04-05 07:14	< 1 min	0.0055121	0.0055087	0.0000011
EARTH	2023-03-30 05:48	> 1 d	0.0222692	0.0067391	0.0053330
EARTH	2056-05-29 19:03	> 1 mo	0.0603998	0.0363913	0.1205824
MARS	2061-11-15 17:13	> 1 d	0.0326413	0.0117991	0.0862508
EARTH	2063-03-27 16:38	> 1 w	0.0350789	0.0023946	0.0658123
7 Iris	2069-07-24 08:44	> 1 w	0.0133504	0.0109531	0.0925400
EARTH	2089-05-16 20:29	> 1 mo	0.0350937	0.0318401	0.3364446
EARTH	2096-03-11 13:31	> 1 mo	0.1738409	0.0050615	3.0559799
MARS	2107-01-08 06:06	> 1 mo	0.0292687	0.0096898	3.7052653
EARTH	2122-05-31 16:11	> 1 mo	0.0582401	0.0366465	2.4925324

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