Asteroids

2016NL56 help

Last update: 2024-05-09 16:35 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.640

Aphelion (Q)

2.173

Eccentricity (e)

0.545

Inclination (i)

4.6

deg

Orbit period (P)

609.4

Earth MOID

0.00339

U parameter

0.5

Next Earth close approach

Date

2112-02-13

Nominal distance (from Earth center)

0.18561

27766207

Maximum Brightness

20.7

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

20.8

mag

Diameter

180 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-07-12

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

1.406710

1-sigma variation

5.932E-9

Unit

Eccentricity (e)

Value

0.544996

1-sigma variation

8.848E-8

Unit

Inclination (i)

Value

4.6005

1-sigma variation

6.742E-6

Unit

Long. of Ascending Node (Ω)

Value

340.9080

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

87.4152

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

152.65078

1-sigma variation

0.00005

Unit

Perihelion distance

Value

0.640059

1-sigma variation

Unit

Aphelion distance

Value

2.173362

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.043148

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.023231

1-sigma variation

Unit

MOID

Value

0.003387

1-sigma variation

Unit

Orbit Period

Value

609.4043

1-sigma variation

Unit

U parameter

Value

0.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.51937E-17	2.53239E-16	-1.27031E-15	-1.43872E-13	1.63910E-14	1.86727E-13
e	2.53239E-16	7.82916E-15	-1.97287E-14	-2.31844E-12	5.00638E-13	3.52178E-12
i	-1.27031E-15	-1.97287E-14	4.54486E-11	-4.33795E-10	4.48964E-10	-2.62527E-11
Ω	-1.43872E-13	-2.31844E-12	-4.33795E-10	8.12376E-9	-6.97029E-9	-1.86479E-9
ω	1.63910E-14	5.00638E-13	4.48964E-10	-6.97029E-9	6.85811E-9	1.97409E-10
M	1.86727E-13	3.52178E-12	-2.62527E-11	-1.86479E-9	1.97409E-10	2.79233E-9

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

20.843

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

180 - 400*

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

7299

Unit

Source

[1]

Unobserved

Value

1008

Unit

Source

[1]

Normalized RMS of residuals

Value

0.512995

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2001-08-11.15852

Unit

Source

[2]

Last Observation

Value

2021-08-05.25976

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

68 (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 2016NL56 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	1955-02-22 18:16	< 1 min	0.0711719	0.0711602	0.0000039
EARTH	1960-03-02 05:11	< 1 min	0.0689901	0.0689713	0.0000063
EARTH	1976-08-20 14:12	< 1 min	0.1613420	0.1613376	0.0000015
EARTH	1981-08-29 00:05	< 1 min	0.0121518	0.0121510	0.0000003
EARTH	1986-09-01 04:18	< 1 min	0.0386815	0.0386777	0.0000012
EARTH	1991-09-07 04:06	< 1 min	0.1159431	0.1159395	0.0000012
VENUS	1991-11-18 17:24	< 1 min	0.0337756	0.0337736	0.0000007
EARTH	1996-09-13 03:12	< 1 min	0.1754249	0.1754231	0.0000006
VENUS	2003-07-29 14:35	< 1 min	0.0238731	0.0238705	0.0000009
VENUS	2090-05-02 09:22	< 1 min	0.0458585	0.0458532	0.0000017
VENUS	2102-01-08 13:20	< 1 min	0.0319394	0.0319321	0.0000024
EARTH	2112-02-13 06:11	< 1 min	0.1856056	0.1856033	0.0000008
EARTH	2117-02-22 20:56	< 1 min	0.0928977	0.0928910	0.0000022
EARTH	2122-02-28 12:30	< 1 min	0.0114295	0.0114202	0.0000031

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