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Trans-Neptunian object

2016 FF186

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(2016 FF186)

2016 FF186 is a trans-Neptunian object in the Trans-Neptunian object orbit class. Its orbit takes it from 35.82 AU to 60.19 AU from the Sun; one orbit takes 332.6 years. Orbit from the JPL solution of 1 August 2024.

Where is it now

Distance from Sun
35.842 AU
True anomaly
355.55°
Distance from Earth
36.79 AU
As of
25 October 2026

Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.

Sun Earth — 0.994 AU from the Sun Earth 2016 FF186 — 35.842 AU from the Sun 2016 FF186
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2016 FF186 is 36.79 AU from Earth today (5.1 light-hours).

In the sky

Right ascension
15h 07m 36s
Declination
-07° 04′ 59″
Constellation
Libra
Distance from Earth
36.79 AU
Elongation from the Sun
16.55° — too close to the Sun to observe

Visible from both hemispheres.

From your location

See how high it is right now, whether it is up after civil twilight, and when it rises and sets where you are.

How do I find my coordinates?

Google Maps on a computer

  1. Right-click the spot where you'll be observing.
  2. The first line of the menu is the coordinates, e.g. 51.50722, -0.12758 — click it and they're copied.
  3. Paste them above.

Google Maps on a phone

  1. Press and hold the spot to drop a pin.
  2. The coordinates appear in the search bar (or on the pin's card) — tap to copy, then paste above.

A full Google Maps link works too, but the short maps.app.goo.gl share links don't carry coordinates — copy the numbers instead. We round to about a kilometre; that's all the sky calculation needs.

Know your what3words address? Paste it, e.g. ///filled.count.soap. This is optional — the three words are sent to what3words to convert them, and we don't store the address or the result.

Your location stays in your browser and is sent only for this calculation. Using a what3words address is optional; if you do, the three words go to what3words to be converted and we don't record them. Set a location first, then you can save an email alert for this object. See our privacy policy.

Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.

Orbital elements

Semi-major axis
48.007 AU
Eccentricity
0.2539
Inclination
11.4°
Orbital period
332.6 years
Perihelion
35.82 AU
Aphelion
60.195 AU
Longitude of ascending node
111.78°
Argument of periapsis
119.07°
Epoch · J2000
2461200.5
Orbit class · TNO
Trans-Neptunian object
Earth MOID · 13,553.0 LD
34.8253 AU
Tisserand (Jupiter)
5.868

Orbit quality

Orbit poorly determined (uncertainty code 7).

Observations used
17
Data arc
82 days
First observed
16 March 2016
Last observed
6 June 2016
Residual RMS
0.14 ″
Solution · Otto Matic
1 August 2024

Visual & observation

Absolute magnitude (H)
9.16

Discovery & classification

TNO

Sources