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Asteroid Near-Earth

2018 BH5

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(2018 BH5)

2018 BH5 is an asteroid in the Apollo orbit class. Its orbit takes it from 0.7 AU to 1.38 AU from the Sun; one orbit takes 387.4 days. Orbit from the JPL solution of 15 April 2021.

Where is it now

Distance from Sun
0.767 AU
True anomaly
51.39°
Distance from Earth
1.509 AU
As of
4 November 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 — 0.992 AU from the Sun Earth 2018 BH5 — 0.767 AU from the Sun 2018 BH5
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2018 BH5 is 1.509 AU from Earth today (12.5 light-minutes).

In the sky

Right ascension
16h 30m 53s
Declination
-21° 30′ 05″
Constellation
Ophiuchus
Distance from Earth
1.51 AU
Elongation from the Sun
26.85° — near the Sun — look low at dusk or dawn

Favours the southern hemisphere; low or below the horizon from far north.

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
1.04 AU
Eccentricity
0.3313
Inclination
4.09°
Orbital period
387.4 days
Perihelion
0.695 AU
Aphelion
1.385 AU
Longitude of ascending node
114.81°
Argument of periapsis
118.53°
Epoch · J2000
2461200.5
Orbit class · APO
Apollo
Earth MOID · 8.3 LD
0.0214 AU
Tisserand (Jupiter)
5.845

Orbit quality

Orbit poorly determined (uncertainty code 7).

Observations used
42
Data arc
14 days
First observed
22 January 2018
Last observed
5 February 2018
Residual RMS
0.68 ″
Solution · Otto Matic
15 April 2021

Visual & observation

Absolute magnitude (H)
25.2

Discovery & classification

Apollo Near-Earth Object

Sources