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Astronomical agenda for 2011

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Remarkable events

Triple Conjunction of Jupiter and Uranus 2010/2011. (2nd January)

Not available in english

Partial Solar Eclipse. (4th January)

In Catalonia the Sun will be partially eclipsed (máximum of 53.2%)

Jupiter and Mars conjunction (2nd May)

Morning of May 2, about 1 hour before Sunrise

Venus, Jupiter and Mercury conjunction (12th May)

Morning on May 12, about 1 hour before Sunrise

Total Lunar Eclipse. ( 15th June)

Visible in Catalonia except the beginning of the partiality

Tables

Sun

Changes of season

Date Exact hour
Spring 20th March 23h 21m UT
Summer 21st June 17h 16m UT
Autumn 22nd September 09h 04m UT
Winter 21st December 05h 30m UT

Sunrise and sunset hours for any place (Calculation tool in javascript).

Earth's orbit

Date Distance to the Sun
Perihelion (minimum distance) 3rd January 147.105.570 Km
Afhelion (maximum distance) 4th July 152.102.139 Km

Moon

Lunar phases ( UT ):

New Moon Crescent Moon Full Moon Waning Moon
04/01/2011 12/01/2011 19/01/2011 26/01/2011
03/02/2011 11/02/2011 18/02/2011 24/02/2011
04/03/2011 12/03/2011 19/03/2011 26/03/2011
03/04/2011 11/04/2011 18/04/2011 25/04/2011
03/05/2011 10/05/2011 17/05/2011 24/05/2011
01/06/2011 09/06/2011 15/06/2011 23/07/2011
01/07/2011 08/07/2011 15/07/2011 23/07/2011
30/07/2011 06/08/2011 13/08/2011 21/08/2011
29/08/2011 04/09/2011 12/09/2011 20/09/2011
27/09/2011 04/10/2011 12/10/2011 20/10/2011
26/10/2011 02/11/2011 10/11/2011 18/11/2011
25/11/2011 02/12/2011 10/12/2011 18/12/2011
24/12/2011

Moon's orbit

Perigee (minimum distance) Apogee (maximum distance)
22 January 19 February 19 March 10 January 6 February 6 March
17 April 15 May 12 June 2 April 29 April 27 May
7 July 2 August 30 August 24 June 21 July 18 August
28 September 26 October 23 November 15 September 12 October 8 November
22 December   6 December

Information about the planets ( UT ):

Mercury

Day Hour Event
9 January 18h 00m Max West Elongation (23,2º)
25 February 08h 47m Superior Conjunction
22 March 18h 00m Max East Elongation (18,5º)
9 abril 19h 36m Inferior Conjunction
7 maig 18h 00m   Max West Elongation (26,4º)
12 June 23h 45m Superior Conjunction
20 July 00h 00m Max East Elongation (26,8º)
17 August 01h 04m Inferior Conjunction
20 September 06h 00m Max West Elongation (18º)
28 September 20h 16m Superior Conjunction
14 November 12h 00m Max East Elongation (22,6º)
4 December 08h 52m Inferior Conjunction
23 December 06h 00m Max West Elongation (21,7º)

Venus

Day Hour Event
8 January 18h 00m Max West Elongation (46,9º)
16 August 12h 08m Superior Conjunction

Mars

4 February 16h 41m Conjunction

Jupiter

Day Hour Event
6 abril 14h 41m Conjunction
29 October 01h 41m Opposition

Saturn

Day Hour Event
3 abril 23h 55m Opposition
13 October 21h 13m Conjunction

Uranus

Day Hour Event
21 March 12h 24m Conjunction
26 September 00h 13m Opposition

Neptune

Day Hour Event
17 February 09h 56m Conjunction
22 August 23h 25m Opposition

Eclipses

Solar eclipses

Type Day Hour of the maximum Visibility
Partial 4 January 08h 51m TU Europa, Africa, c. Asia
Partial 1 June 21h 17m TU East Asia, Northern North America, Iceland
Partial 1 July 08h 39m TU Southern Indian ocean
Partial 25 November 06h 21m TU Southern Africa, Antartica, Tasmania

Lunar eclipses

Type Day Hour of the maximum Visibility
Total 15 June 20h 13m TU South Amèrica, Europa, Africa, Asia i Australia.
Total 10 December 14h 31m TU Europa, East d'Àfrica, Asia, Australia, Pacífic, North Amèrica.

Other Events

Meteors Shower

Name Days Maximum aprox Constelation around the radiant Meteors per hour (aprox)
Quadrantids 1-5 January 3 January Bootes 120
Lyrid 15-28 April 22 April Lyra 15
Eta-Aquarid 19 April - 28 May 6 May Aquarius 60
Arietid 22 May-2 July 7 June Aries 54
Delta Aquarid 12 july-19 August 28 July Aquarius 20
Perseids 17 July - 24 August 12 August Perseus 90
Orionids 2October-7 November 21 October Orion 20
Leonids 14 - 21 November 17 October Leo variable
Geminids 7 17 December 14 December Gemini 120
 
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