Astronomical Agenda 2018

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EPHEMERIS CALENDAR

VISIBILITY CHART
(Planets & Moon)

TABLES: EARTH-SUN

TABLES: MOON

TABLES: PLANETS

ECLIPSES

METEOR SHOWERS

ASTRONOMY AND SCIENCE CELEBRATIONS

HISTORICAL ANNIVERSARIES

LINKS

0 Annual Ephemeris Calendar

All the astronomical ephemeris in this calendar are expressed in Universal Time.

Download the calendar for 2018 : HERE

You can find in the calendar:

Beginning of the seasons
Perihelion & aphelion
Lunar phases
Perigee & apogee of the Moon
Maximum elongations, conjunctions & oppositions of the planets
Solar & Lunar eclipses

1 Visibility Charts

You can find in the charts:

Information about the visibility of the planets in the sky for the whole year
Planetary conjunctions, maximum elongations and brightness of Mercury and Venus, and the oppositions of the superior planets
Sunrise and Moonrise/ Sunset and Moonset
Beginning of the seasons

All the times are in Universal Time

DOWNLOAD:

Chart Latitude=40ºN, 2018
Chart Latitude=30ºS, 2018

2 Earth-Sun

Changes of Season (TU)

	Data	Time
Spring	20 March	16 h 15 m UT
Summer	21 June	10 h 07 m UT
Autumn	23 September	01 h 54 m UT
Wintern	21 December	22 h 22 m UT

Calculate sunrise and sunset

Earth's orbit

	Date	Distance to the Sun
Perihelion (Min. diustance)	3 January	147097238 km
Aphelion (Max. distance)	6 July	152095571 km

3 Moon

Lunar Phases (UT)

New Moon	First Quarter	Full Moon	Third Quarter
		02/01/2018	08/01/2018
17/01/2018	24/01/2018	31/01/2018	07/02/2018
15/02/2018	23/02/2018	02/03/2018	09/03/2018
17/03/2018	24/03/2018	31/03/2018	08/04/2018
16/04/2018	22/04/2018	30/04/2018	08/05/2018
15/05/2018	22/05/2018	29/05/2018	06/06/2018
13/06/2018	20/06/2018	28/06/2018	06/07/2018
13/07/2018	19/07/2018	27/07/2018	04/08/2018
11/08/2018	18/08/2018	26/08/2018	03/09/2018
09/09/2018	16/09/2018	25/09/2018	02/10/2018
09/10/2018	16/10/2018	24/10/2018	31/10/2018
07/11/2018	15/11/2018	23/11/2018	30/11/2018
07/12/2018	15/12/2018	22/12/2018	29/12/2018

Moon's orbit (TU)

Perigee* ((Minimum distance)			Apogee (Maximum distance)
01 January	30 January	27 February	15 January	11 February	11 March
26 March	20 April	17 May	08 April	06 May	02 June
14 June	13 July	10 August	30 June	27 July	23 August
08 September	05 October	31 October	20 September	17 October	14 November
26 November	24 December		12 December

4 Planet information (TU) :

Planet-Planet conjunctions, Star-Planet conjunctions

Day	Time (TU)	Phenomenon

07 January	00:39 h	Mars-Jupiter: 0.2°

13 January	07:58 h	Mercury-Saturno: 0.7°

11 Februry	16:40 h	Mars-Antares: 5.1°

19 March	07:51 h	Mercury-Venus: 3.8°

02 April	19:02 h	Mars-Saturn: 1.3°

24 April	16:47 h	Venus-Pleiades: 3.5°

02 May	13:24 h	Venus-Aldebaran: 6.4°

08 June	03:35 h	Venus-Pollux: 4.7°

24 June	21:35 h	Mercury-Pollux: 4.8°

09 July	23:36 h	Venus-Regulus: 1°

01 September	04:45 h	Venus-Spica: 1.2°

16 October	02:32 h	Mercury-Venus: 6.2°

29 October	06:28 h	Mercury-Jupiter: 3.1°

09 noviembre	04:56 h	Mercury-Antares: 1.8°

14 November	23:23	Venus-Spica: 1.5°

21 December	19:49 h	Mercury-Jupiter: 0.8°

22 December	08:03 h	Mercury-Antares: 6°

22 December	15:08 h	Jupiter-Antares: 5.2°

Conjunctions, Oppositions, Elongations

Mercury

Day	Hora (TU)	Phenomenon

01 January	19:59 h	Max. West Elong (22,7º)

17 January	12:08 h	Sup. Conj.

15 March	14:59 h	Max. East Elong (18,4º)

01 April	17:47 h	Inferior Conj.

29 April	17:59 h	Max. West Elong (27º)

06 June	01:53 h	Sup. Conj.

12 July	04:59 h	Max. East Elong (26,4º)

09 August	01:59 h	Inferior Conj.

26 August	19:59 h	Max. West Elong (18,3ª)

21 September	01:47 h	Sup. Conj.

06 November	14:59 h	Max. East Elong (23,3º)

27 November	09:10 h	Inferior Conj.

15 December	10:59 h	Max. West Elong (21,3º)

Venus

Day	Time	Phenomenon
09 January	06:16 h		Sup. Conj.
17 August	15:59 h	Max. East Elong (45,9º)

Mars

Day	Time	Phenomenon
27 July	06 h	Opposition

Jupiter

Day	Time	Phenomenon
09 May	00:10 h	Opposition
26 November	06:25 h	Conjunction

Saturn

Day	Time	Phenomenon
27 June	12:25 h	Opposition

Uranus

Day	Time	Phenomenon
18 April	14:35 h	Conjunction
24 October	00:43 h	Opposition

Neptunus

Day	Time	Phenomenon
04 March	13:32 h	Conjunction
07 September	17:19 h	Opposition

5 Eclipses

App for calculating Eclipses and Transits

Solar Eclipses

Type	Day	Hour of the maximum	Visibility
Parcial	15 February	20:52 UT	Visible from Antartica, and from the south of South America, mapa
Parcial	13 July	03:21 UT	Visible from Australia, mapa
Parcial	11 August	09:47 UT	Visible from North Europa, north east Asia, mapa

Astronomical Agenda:
Partial Solar Eclipse, August 11th visible from N. Europe & N.E. Asia.

Lunar Eclipses

Type	Day	Hour of the maximum	Visibility
Total	31 January	13h 30m UT	Asia, Australia, Pacific, Oest de North America
Total	27 July	20h 22m UT	Sud America, Europa, Africa, Asia, Australia.

Astronomical Agenda:
Total Lunar Eclipse on July 27th

Other phaenomena

6

Meteor Showers

Name	Days	Maximum aprox	Constelation around the radiant	Meteors per hour (aprox)
Quadrantids	1-5 January	3 January- 20_19	Bootes	120
Lyrids	15-28 April	22 April - 17:49	Lyra	20
Eta-Aquarids	19 April - 28 May	5 May -07:03	Aquarius	60
Arietids	22 May-2 July	7 June	Aries	54
Delta aquarids	12 July-19 August	28 July - 08:50	Aquarius	20
Perseids	17 July - 24 August	13 August- 00:44	Perseus	90
Orionids	2 October-7 November	21October- 17:03 October	Orion	20
Leonids	14 - 21 November	17 November- 23:05	Leo	15
Geminids	7 17 December	14 December - 12:16	Gemini	120