© Mike Brown et al., CalTech and Keck Observatory

136108 Haumea at solar conjunction

Tue, 17 Oct 2017 at05:52 EDT(2 days ago)
09:52 UTC

Dominic Ford, Editor
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136108 Haumea will pass very close to the Sun in the sky as its orbit carries it around the far side of the solar system from the Earth.

At closest approach, 136108 Haumea will appear at a separation of only 27° from the Sun, making it totally unobservable for several weeks while it is lost in the Sun's glare.

At around the same time, 136108 Haumea will also be at its most distant from the Earth – receding to a distance of 51.42 AU – since the two planets will lie on opposite sides of the solar system.

If 136108 Haumea could be observed at this time, it would appear at its smallest and faintest on account of its large distance. It would measure 0.0 arcsec in diameter.

Over following weeks and months, 136108 Haumea will re-emerge to the west of the Sun, gradually becoming visible for ever-longer periods in the pre-dawn sky. After around six months, it will reach opposition, when it will be visible for virtually the whole night. A chart of the path of 136108 Haumea across the sky in 2017 can be found here, and a chart of its rising and setting times here.

The position of 136108 Haumea at the moment it passes solar conjunction will be:

Object Right Ascension Declination Constellation Angular Size
136108 Haumea 14h09m30s +16°13' Bootes 0.0"
Sun 13h28m -09°18' Virgo 32'05"

The coordinates above are given in J2000.0.

The sky on 17 October 2017
Sunrise 07:20
Sunset 18:27
Twilight ends
19:56
Twilight begins
05:51

27-day old moon
Age of Moon
27 days

All times shown in EDT.
Rise Culm. Set
Mercury 07:52 13:17 18:43
Venus 05:38 11:40 17:43
Moon 05:09 11:23 17:37
Mars 05:02 11:13 17:24
Jupiter 07:55 13:22 18:49
Saturn 12:08 16:54 21:40

Source

The circumstances of this event were computed using the DE405 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

Related news

17 Oct 2017, 05:52 EDT136108 Haumea at solar conjunction
14 Apr 2018, 13:58 EDT136108 Haumea at opposition
18 Oct 2018, 13:07 EDT136108 Haumea at solar conjunction
16 Apr 2019, 21:23 EDT136108 Haumea at opposition

Image credit

© Mike Brown et al., CalTech and Keck Observatory

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39.04°N
77.49°W
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