Asteroids

2016QE45 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.594

Aphelion (Q)

1.912

Eccentricity (e)

0.526

Inclination (i)

4.8

deg

Orbit period (P)

512.5

Earth MOID

0.00643

U parameter

0.0

Next Earth close approach

Date

2028-04-28

Nominal distance (from Earth center)

0.07915

11841182

Maximum Brightness

19.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.8

mag

Diameter

120 - 260*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-08-30

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.253385

1-sigma variation

3.138E-9

Unit

Eccentricity (e)

Value

0.525857

1-sigma variation

3.091E-8

Unit

Inclination (i)

Value

4.8460

1-sigma variation

4.982E-6

Unit

Long. of Ascending Node (Ω)

Value

18.8881

1-sigma variation

9.461E-6

Unit

Arg. of Perihelion (ω)

Value

95.7377

1-sigma variation

1.111E-5

Unit

Mean Anomaly (M)

Value

134.29504

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.594285

1-sigma variation

Unit

Aphelion distance

Value

1.912486

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.041015

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.141461

1-sigma variation

Unit

MOID

Value

0.006426

1-sigma variation

Unit

Orbit Period

Value

512.5372

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.84912E-18	4.93515E-17	3.09831E-15	1.94295E-15	4.88703E-15	-2.44945E-14
e	4.93515E-17	9.55526E-16	1.19632E-14	1.56330E-14	1.42492E-13	-2.11014E-13
i	3.09831E-15	1.19632E-14	2.48211E-11	-3.06213E-11	3.34847E-11	-5.77475E-12
Ω	1.94295E-15	1.56330E-14	-3.06213E-11	8.95105E-11	-7.68471E-11	-1.74539E-11
ω	4.88703E-15	1.42492E-13	3.34847E-11	-7.68471E-11	1.23454E-10	-5.34993E-11
M	-2.44945E-14	-2.11014E-13	-5.77475E-12	-1.74539E-11	-5.34993E-11	1.23782E-10

Date of computation: 2025-09-10 00:30 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

21.805

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

120 - 260*

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

[-]

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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

7708

Unit

Source

[1]

Unobserved

Value

757

Unit

Source

[1]

Normalized RMS of residuals

Value

0.566005

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2002-09-05.37486

Unit

Source

[2]

Last Observation

Value

2023-10-13.280763

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

132 (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 2016QE45 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	1950-10-02 12:52	1.3	0.1126334	0.1125754	0.0000193
EARTH	1957-10-11 20:02	1.2	0.0772609	0.0772173	0.0000145
EARTH	1962-04-23 13:24	< 1 min	0.0386063	0.0385794	0.0000090
EARTH	1969-05-02 02:40	< 1 min	0.1460713	0.1460513	0.0000067
MARS	1971-09-21 00:37	< 1 min	0.0392028	0.0391937	0.0000031
EARTH	1995-09-30 05:25	< 1 min	0.1708762	0.1708743	0.0000007
EARTH	2002-10-07 14:21	< 1 s	0.0155521	0.0155516	0.0000002
EARTH	2009-10-08 09:47	< 1 min	0.0096428	0.0096424	0.0000002
EARTH	2014-04-16 13:38	< 1 min	0.1515975	0.1515969	0.0000002
EARTH	2016-10-15 05:12	< 1 s	0.1334041	0.1334037	0.0000001
EARTH	2021-04-24 01:47	< 1 s	0.0339128	0.0339125	0.0000001
EARTH	2028-04-28 20:30	< 1 min	0.0791534	0.0791528	0.0000002
VENUS	2063-05-12 17:20	< 1 min	0.0442508	0.0442483	0.0000008
EARTH	2068-10-04 04:47	< 1 min	0.0820031	0.0820023	0.0000003
VENUS	2073-03-11 10:29	< 1 min	0.0230150	0.0230142	0.0000003
EARTH	2075-10-11 02:07	< 1 min	0.0430485	0.0430462	0.0000008
MARS	2077-01-18 20:22	< 1 s	0.0398627	0.0398611	0.0000005
EARTH	2080-04-19 07:45	< 1 min	0.1118535	0.1118502	0.0000011
EARTH	2082-10-19 05:07	< 1 min	0.1761487	0.1761452	0.0000012
EARTH	2087-04-26 23:25	< 1 min	0.0292996	0.0292975	0.0000007
EARTH	2094-05-04 19:13	< 1 min	0.1813347	0.1813280	0.0000022
EARTH	2120-10-01 08:48	< 1 min	0.1678566	0.1678466	0.0000033

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
292.79036342	273.32111963	0.00637649	MINIMUM
67.61126801	111.90759707	0.02396287	MINIMUM
0.37473020	12.73740049	0.39504595	SADDLE
180.09823876	192.56928299	0.90418803	SADDLE
0.53644985	193.00995476	1.60883383	SADDLE
180.19350423	12.61957474	2.89417318	MAXIMUM

Download:

MOID Plots

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