Asteroids

2016EZ157 help

Last update: 2025-05-05 08:31 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

1.011

Aphelion (Q)

4.289

Eccentricity (e)

0.619

Inclination (i)

12.4

deg

Orbit period (P)

1575.8

Earth MOID

0.00477

U parameter

1.3

Next Earth close approach

Date

2042-07-09

Nominal distance (from Earth center)

0.08928

13355989

Maximum Brightness

16.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

18.4

mag

Diameter

500 - 1200*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-03-12

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

2.650163

1-sigma variation

1.841E-7

Unit

Eccentricity (e)

Value

0.618561

1-sigma variation

1.169E-7

Unit

Inclination (i)

Value

12.3533

1-sigma variation

9.660E-6

Unit

Long. of Ascending Node (Ω)

Value

267.2038

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

1.1743

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

7.23545

1-sigma variation

0.00008

Unit

Perihelion distance

Value

1.010875

1-sigma variation

Unit

Aphelion distance

Value

4.289450

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.004779

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

3.303864

1-sigma variation

Unit

MOID

Value

0.004772

1-sigma variation

Unit

Orbit Period

Value

1575.8223

1-sigma variation

Unit

U parameter

Value

1.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.39067E-14	-1.61246E-14	4.85424E-14	1.68079E-12	-5.40412E-12	-1.37864E-11
e	-1.61246E-14	1.36750E-14	4.59937E-14	-9.83358E-13	3.94690E-12	6.19781E-12
i	4.85424E-14	4.59937E-14	9.33149E-11	6.41472E-10	-5.38160E-10	-9.54857E-11
Ω	1.68079E-12	-9.83358E-13	6.41472E-10	1.05151E-8	-1.07427E-8	-4.49301E-10
ω	-5.40412E-12	3.94690E-12	-5.38160E-10	-1.07427E-8	1.24034E-8	1.23055E-9
M	-1.37864E-11	6.19781E-12	-9.54857E-11	-4.49301E-10	1.23055E-9	6.21685E-9

Date of computation: 2025-03-29 00:36 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

18.45

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

500 - 1200*

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 Aegis	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

3271

Unit

Source

[1]

Unobserved

Value

1297

Unit

Source

[1]

Normalized RMS of residuals

Value

0.910181

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2012-11-01.424835

Unit

Source

[2]

Last Observation

Value

2021-10-16.29933

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

97 (3)

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 2016EZ157 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	1986-06-29 09:34	6.1	0.0441704	0.0441101	0.0000201
107 Camilla	2019-12-30 14:11	< 1 min	0.0058500	0.0058446	0.0000018
EARTH	2042-07-09 13:07	3.2	0.0892793	0.0892459	0.0000111
EARTH	2085-05-13 03:39	3.9	0.1994979	0.1994126	0.0000285
EARTH	2102-07-28 16:13	3.8	0.1560553	0.1560114	0.0000146

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
359.40462730	164.67135710	0.00477162	MINIMUM
0.31483123	346.53916736	1.99496595	SADDLE
180.08418272	346.20888421	3.30535343	SADDLE
180.05250937	166.19556557	5.30526863	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out