Asteroids

2016FZ12 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.794

Aphelion (Q)

1.475

Eccentricity (e)

0.300

Inclination (i)

1.7

deg

Orbit period (P)

441.6

Earth MOID

0.00550

U parameter

1.6

Next Earth close approach

Date

2032-10-02

Nominal distance (from Earth center)

0.0386

5774537

Maximum Brightness

22.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-03-28

Observatory

Cerro Tololo-DECam

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.134906

1-sigma variation

5.322E-8

Unit

Eccentricity (e)

Value

0.300064

1-sigma variation

0.000003

Unit

Inclination (i)

Value

1.6789

1-sigma variation

4.232E-5

Unit

Long. of Ascending Node (Ω)

Value

347.9497

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

108.0254

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

226.97068

1-sigma variation

0.00012

Unit

Perihelion distance

Value

0.794361

1-sigma variation

Unit

Aphelion distance

Value

1.475451

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.131360

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.047759

1-sigma variation

Unit

MOID

Value

0.005496

1-sigma variation

Unit

Orbit Period

Value

441.6094

1-sigma variation

Unit

U parameter

Value

1.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.83231E-15	2.53392E-14	1.02057E-12	1.62409E-11	-1.73784E-11	-5.65645E-12
e	2.53392E-14	7.82948E-12	1.10405E-10	1.04675E-9	-2.10629E-9	1.00087E-10
i	1.02057E-12	1.10405E-10	1.79103E-9	1.83504E-8	-3.28110E-8	2.15055E-11
Ω	1.62409E-11	1.04675E-9	1.83504E-8	2.03322E-7	-3.34722E-7	-1.42416E-8
ω	-1.73784E-11	-2.10629E-9	-3.28110E-8	-3.34722E-7	6.11531E-7	-4.37002E-9
M	-5.65645E-12	1.00087E-10	2.15055E-11	-1.42416E-8	-4.37002E-9	1.43455E-8

Date of computation: 2026-03-17 23:26 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

26.732

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

12 - 27*

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

2191

Unit

Source

[1]

Unobserved

Value

1508

Unit

Source

[1]

Normalized RMS of residuals

Value

0.631225

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-03-28.24718

Unit

Source

[2]

Last Observation

Value

2022-03-28.14933

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

[-]

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2016FZ12 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1952-03-10 15:29	250.7	0.0762050	0.0729845	0.0010737
EARTH	1958-03-30 03:46	79.6	0.1834067	0.1793560	0.0013503
EARTH	1962-09-27 14:52	83.8	0.1377846	0.1337794	0.0013352
EARTH	1968-10-24 20:40	428.1	0.1157550	0.1135514	0.0007346
MARS	1969-06-26 13:08	155.5	0.0258031	0.0251430	0.0002299
EARTH	1975-01-05 22:58	232.4	0.1884515	0.1883745	0.0000257
EARTH	1981-03-16 18:22	35.9	0.0319394	0.0311595	0.0002601
MARS	1986-06-14 08:42	61.5	0.0288291	0.0287023	0.0000424
EARTH	1987-03-29 20:49	12.7	0.1717704	0.1711963	0.0001914
EARTH	1997-10-05 09:30	1.2	0.0132778	0.0132721	0.0000019
MARS	2003-07-06 14:26	3.2	0.0166047	0.0165928	0.0000040
EARTH	2003-11-29 06:21	4.2	0.1735361	0.1735248	0.0000038
EARTH	2010-01-21 17:40	2.1	0.1757731	0.1757643	0.0000029
EARTH	2016-03-18 18:50	< 1 min	0.0068054	0.0068051	0.0000001
EARTH	2022-03-20 03:52	< 1 min	0.0096024	0.0096021	0.0000001
EARTH	2032-10-02 17:10	< 1 min	0.0386004	0.0385640	0.0000121
EARTH	2038-11-12 11:54	10.0	0.1487550	0.1487441	0.0000036
EARTH	2045-01-02 08:09	29.3	0.1902633	0.1902461	0.0000057
MARS	2050-05-18 19:57	11.5	0.0151875	0.0151535	0.0000114
EARTH	2051-02-28 23:31	30.2	0.1124573	0.1122950	0.0000541
EARTH	2057-03-25 05:45	5.9	0.0834934	0.0832564	0.0000790
MARS	2067-06-11 21:01	3.1	0.0271079	0.0271023	0.0000019
EARTH	2067-10-01 16:33	1.2	0.0707111	0.0706930	0.0000060
EARTH	2073-10-23 17:29	14.7	0.1121744	0.1120822	0.0000307
EARTH	2079-12-19 07:05	48.6	0.1897446	0.1897181	0.0000088
EARTH	2086-02-02 10:10	68.2	0.1612910	0.1611881	0.0000343
EARTH	2092-03-20 12:45	10.1	0.0096234	0.0094094	0.0000719
EARTH	2096-09-25 20:42	26.6	0.1931688	0.1920688	0.0003667
EARTH	2102-12-04 12:40	740.9	0.1753336	0.1746000	0.0002446
EARTH	2109-03-18 19:38	194.8	0.0306745	0.0264594	0.0014101
MARS	2118-02-13 20:11	1005.0	0.0325269	0.0304435	0.0007044
EARTH	2119-10-14 03:46	740.6	0.0636704	0.0521289	0.0038623
EARTH	2126-01-19 08:44	> 1 d	0.1793437	0.1762580	0.0010293

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
65.98634999	76.69922355	0.00562355	MINIMUM
293.05790073	271.59714586	0.01198286	MINIMUM
359.35511045	353.92051782	0.19095981	SADDLE
179.68567507	174.37184278	0.45863997	SADDLE
359.56710291	174.20772328	1.81218839	SADDLE
179.81591790	354.47083040	2.45883805	MAXIMUM

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MOID Plots

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