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Post Info TOPIC: Asteroid (7) Iris


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RE: Asteroid (7) Iris
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(7) Iris / HD 35481 event

On 2018 Apr 16, 20:55 UT, the 199.8 km diameter asteroid (7) Iris will occult the 8.8 mag star HD 35481 in the constellation Taurus for observers along a path across South America (twilight).

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Asteroid (7) Iris is currently passing close (~13') to the magnitude +5.8 star HD 29365 in the constellation Taurus



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Asteroid (7) Iris at magnitude 9.8 will pass close to the magnitude 5.5 star 43 Tauri (HD 26162) in the constellation Taurus at ~12:30 UT, 12TH March 2018



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Asteroid 7 Iris reaches magnitude +6.9 on October 31, 2017

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Asteroid (7) Iris is at Opposition in the constellation Aries at 23:35 UT, 29th October 2017.

Magnitude: 6.9 V
Distance to Earth: 0.849 AU
Distance to Sun: 1.837 AU



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On 2016 Oct 16th, the 253 km diameter asteroid (7) Iris will occult a 6.3 mag star HD 154418 in the constellation Ophiuchus for observers along a path across Brazil, Uruguay, Argentina, Chile.

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Asteroid (7) Iris is at Opposition in the constellation Leo on the 6th March 2015.

Magnitude: 8.9
Distance to Earth: 1.573 AU
Distance to Sun: 2.558 AU

Iris050315


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The magnitude 10 asteroid (7) Iris is less than 1.0 north of Lambda Piscium, in the constellation Pisces on the 20th January 2014



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Asteroid (7) Iris is at Opposition on the 4th May, 2012

Magnitude: 9.5
Distance to Earth: 1.931 AU
Distance to Sun center: 2.937 AU

Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   V 
2012 05 03 000000 14 42 27.6 -20 54 37 1.931 2.937 174.8 1.8 9.5
2012 05 04 000000 14 41 29.0 -20 49 03 1.931 2.937 175.1 1.7 9.5
2012 05 05 000000 14 40 30.6 -20 43 25 1.930 2.937 175.1 1.7 9.5
2012 05 06 000000 14 39 32.3 -20 37 44 1.931 2.937 174.8 1.8 9.5
2012 05 07 000000 14 38 34.2 -20 32 00 1.931 2.937 174.3 2.0 9.5
2012 05 08 000000 14 37 36.4 -20 26 13 1.932 2.937 173.6 2.2 9.5
2012 05 09 000000 14 36 38.9 -20 20 23 1.932 2.937 172.7 2.5 9.6
2012 05 10 000000 14 35 41.7 -20 14 31 1.934 2.937 171.8 2.8 9.6
2012 05 11 000000 14 34 45.0 -20 08 37 1.935 2.937 170.8 3.1 9.6
2012 05 12 000000 14 33 48.8 -20 02 41 1.937 2.937 169.8 3.5 9.6
2012 05 13 000000 14 32 53.1 -19 56 44 1.939 2.937 168.7 3.9 9.6
2012 05 14 000000 14 31 58.0 -19 50 46 1.941 2.937 167.6 4.2 9.7
2012 05 15 000000 14 31 03.5 -19 44 48 1.944 2.937 166.5 4.6 9.7
2012 05 16 000000 14 30 09.8 -19 38 50 1.947 2.937 165.4 5.0 9.7
2012 05 17 000000 14 29 16.8 -19 32 51 1.950 2.936 164.3 5.4 9.7
2012 05 18 000000 14 28 24.6 -19 26 53 1.954 2.936 163.1 5.7 9.8
2012 05 19 000000 14 27 33.2 -19 20 56 1.957 2.936 162.0 6.1 9.8
2012 05 20 000000 14 26 42.8 -19 15 01 1.961 2.936 160.9 6.5 9.8
2012 05 21 000000 14 25 53.3 -19 09 07 1.966 2.936 159.7 6.9 9.8
2012 05 22 000000 14 25 04.8 -19 03 14 1.970 2.936 158.6 7.2 9.9
2012 05 23 000000 14 24 17.3 -18 57 25 1.975 2.936 157.4 7.6 9.9


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Google earth file: Asteroid (7) Iris.kmz (6kb, kmz)



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