* Astronomy

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

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

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

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