Asteroids

2016CE help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.608

Aphelion (Q)

1.093

Eccentricity (e)

0.286

Inclination (i)

5.8

deg

Orbit period (P)

286.4

Earth MOID

0.00055

U parameter

6.6

Next Earth close approach

Date

2027-02-04

Nominal distance (from Earth center)

0.12636

18902961

Maximum Brightness

27.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.4

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-02-03

Observatory

Catalina Sky Survey

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

0.850393

1-sigma variation

0.000036

Unit

Eccentricity (e)

Value

0.285531

1-sigma variation

0.000077

Unit

Inclination (i)

Value

5.7715

1-sigma variation

0.0017

Unit

Long. of Ascending Node (Ω)

Value

315.6480

1-sigma variation

0.0013

Unit

Arg. of Perihelion (ω)

Value

316.4912

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

65.35191

1-sigma variation

0.22826

Unit

Perihelion distance

Value

0.607580

1-sigma variation

Unit

Aphelion distance

Value

1.093207

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.367948

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.001494

1-sigma variation

Unit

MOID

Value

0.000546

1-sigma variation

Unit

Orbit Period

Value

286.4364

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.32975E-9	-2.79767E-9	-6.35331E-8	-4.61033E-8	6.66988E-8	-8.32371E-6
e	-2.79767E-9	5.90127E-9	1.34165E-7	9.70191E-8	-1.41483E-7	1.75145E-5
i	-6.35331E-8	1.34165E-7	3.05281E-6	2.20325E-6	-3.22421E-6	3.97763E-4
Ω	-4.61033E-8	9.70191E-8	2.20325E-6	1.59852E-6	-2.31423E-6	2.88591E-4
ω	6.66988E-8	-1.41483E-7	-3.22421E-6	-2.31423E-6	3.43301E-6	-4.17674E-4
M	-8.32371E-6	1.75145E-5	3.97763E-4	2.88591E-4	-4.17674E-4	5.21034E-2

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

28.354

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

6 - 13*

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

Unit

Source

[1]

Unobserved

Value

3518

Unit

Source

[1]

Normalized RMS of residuals

Value

0.642549

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-02-03.31061

Unit

Source

[2]

Last Observation

Value

2016-02-05.11503

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

58 (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

[-]

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 2016CE 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	1950-11-16 16:55	> 1 mo	0.1396063	0.0861173	1.8920406
EARTH	1958-02-05 12:52	> 1 mo	0.1099358	0.0004142	1.8345637
EARTH	1960-12-13 04:32	> 1 mo	0.1179837	0.1093070	0.2152238
EARTH	1971-02-04 23:25	277.0	0.0018212	0.0015006	0.0022847
EARTH	1978-02-05 11:54	111.6	0.0922587	0.0741434	0.0060384
EARTH	1980-11-13 12:31	128.3	0.1481797	0.1357093	0.0043149
EARTH	1987-11-14 21:23	296.7	0.0983043	0.0978887	0.0003970
EARTH	1994-12-02 10:28	> 1 d	0.1192370	0.1167134	0.0008870
EARTH	2001-12-30 08:07	1332.8	0.1243938	0.1227265	0.0005622
EARTH	2009-01-23 02:39	506.8	0.0825003	0.0793979	0.0010346
EARTH	2016-02-04 23:26	< 1 s	0.0044775	0.0044738	0.0000012
EARTH	2022-11-23 05:16	655.8	0.1155073	0.1135193	0.0006840
EARTH	2027-02-04 21:40	101.5	0.1263585	0.1163689	0.0033299
EARTH	2033-12-28 20:39	> 1 d	0.1293264	0.1267298	0.0008884
EARTH	2040-11-11 12:07	197.4	0.1660896	0.1510058	0.0051803
EARTH	2045-01-26 01:35	> 1 d	0.0743552	0.0607487	0.0045443
EARTH	2051-11-11 04:01	62.5	0.1044351	0.1014555	0.0012236
EARTH	2056-02-05 11:29	137.8	0.0065415	0.0003753	0.0027791
EARTH	2063-02-03 09:52	> 1 w	0.0241185	0.0008666	0.1210134
EARTH	2070-01-15 08:13	> 1 mo	0.1031095	0.0327643	0.0763639
EARTH	2076-12-17 15:31	> 1 mo	0.1299275	0.1298285	0.0048859
EARTH	2083-11-17 20:43	> 1 mo	0.1035997	0.0991240	0.1522278
EARTH	2090-11-12 10:30	> 1 d	0.1260299	0.0988057	0.5277377
EARTH	2095-02-05 15:45	> 1 w	0.0980603	0.0029174	0.9058807
EARTH	2102-02-05 05:27	> 1 mo	0.0090307	0.0012768	0.7734132
EARTH	2108-11-28 03:16	> 1 mo	0.1191867	0.1055894	5.0233314
EARTH	2113-02-04 16:05	> 1 mo	0.1572924	0.0042225	28.3148688
EARTH	2120-01-15 14:35	> 1 mo	0.1064312	0.0379504	19.5342909

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
236.04064096	32.67242617	0.00050575	MINIMUM
124.49099864	307.82504456	0.09944042	MINIMUM
172.03231259	344.33006663	0.13289194	SADDLE
358.66607595	167.92966333	0.41213894	SADDLE
0.26804192	350.14588106	1.59058924	SADDLE
180.93188073	170.87909061	2.10804313	MAXIMUM

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MOID Plots

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