Asteroids

2016EX27 help

Last update: 2025-04-09 07:59 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.549

Aphelion (Q)

3.749

Eccentricity (e)

0.745

Inclination (i)

11.7

deg

Orbit period (P)

1150.8

Earth MOID

0.15152

U parameter

1.7

Next Earth close approach

Date

2076-03-23

Nominal distance (from Earth center)

0.15835

23688587

Maximum Brightness

19.5

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

260 - 600*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-03-02

Observatory

Pan-STARRS 1, Haleakala

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.149144

1-sigma variation

2.759E-7

Unit

Eccentricity (e)

Value

0.744554

1-sigma variation

1.883E-7

Unit

Inclination (i)

Value

11.6696

1-sigma variation

1.647E-5

Unit

Long. of Ascending Node (Ω)

Value

237.1213

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

38.1050

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

291.58661

1-sigma variation

0.00013

Unit

Perihelion distance

Value

0.548990

1-sigma variation

Unit

Aphelion distance

Value

3.749298

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.407499

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.325116

1-sigma variation

Unit

MOID

Value

0.151520

1-sigma variation

Unit

Orbit Period

Value

1150.7917

1-sigma variation

Unit

U parameter

Value

1.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.61145E-14	5.08413E-14	-3.38843E-12	1.25806E-11	-2.02660E-11	-3.59799E-11
e	5.08413E-14	3.54587E-14	-2.27216E-12	8.11624E-12	-1.34070E-11	-2.40952E-11
i	-3.38843E-12	-2.27216E-12	2.71205E-10	-9.61709E-10	1.28315E-9	1.60542E-9
Ω	1.25806E-11	8.11624E-12	-9.61709E-10	4.35675E-9	-5.63386E-9	-5.91552E-9
ω	-2.02660E-11	-1.34070E-11	1.28315E-9	-5.63386E-9	7.76140E-9	9.54121E-9
M	-3.59799E-11	-2.40952E-11	1.60542E-9	-5.91552E-9	9.54121E-9	1.70149E-8

Date of computation: 2025-04-09 07:59 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

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

20.047

Unit

mag

Source

[3]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[3]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[4]

Diameter

Value

260 - 600*

Unit

Source

[4]

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]	EARN	1.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	ESA Aegis	ESA orbit determination and impact monitoring system
[4]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

1377

Unit

Source

[1]

Unobserved

Value

2015

Unit

Source

[1]

Normalized RMS of residuals

Value

0.516066

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-02-09.45006

Unit

Source

[2]

Last Observation

Value

2019-11-17.25642

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

134 (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

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

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

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 2016EX27 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
EARTH	1972-04-02 20:50	5.3	0.1959377	0.1958689	0.0000230
EARTH	2019-10-05 05:44	< 1 s	0.1555603	0.1555599	0.0000001
EARTH	2076-03-23 19:48	4.7	0.1583484	0.1583009	0.0000159
EARTH	2123-10-04 00:03	11.1	0.1382138	0.1380854	0.0000430

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
44.87522203	268.87921871	0.15152028	MINIMUM
318.03491736	82.46549325	0.16115638	MINIMUM
2.40458124	178.63042489	0.47781558	SADDLE
0.82113903	354.38329856	1.52984973	SADDLE
180.39298655	352.59436063	2.77595122	SADDLE
179.81048173	172.37465771	4.75922210	MAXIMUM

Download:

MOID Plots

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