* Astronomy

Asteroid (71) Niobe is at Opposition on the 23rd April, 2011.

Distance to Sun=2.276 AU  
Distance to Earth=1.403 AU  
Magnitude=10.4

Position(2000): RA =12h 48m 13.795s, Dec =  - 48° 03' 43.16"

(71) Niobe is a quite large main-belt asteroid. It was discovered by Robert Luther on August 13, 1861, and named after Niobe, a character in Greek mythology.
Read more 

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 04 23    12 49 43.6 -48 07 33   1.4033  2.2759   141.2    16.1    10.4
2011 04 24    12 48 32.7 -48 04 33   1.4031  2.2756   141.2    16.1    10.4
2011 04 25    12 47 23.1 -48 01 10   1.4030  2.2753   141.1    16.1    10.4
2011 04 26    12 46 15.0 -47 57 24   1.4032  2.2750   141.0    16.2    10.4
2011 04 27    12 45 08.4 -47 53 14   1.4035  2.2748   140.9    16.2    10.4
2011 04 28    12 44 03.5 -47 48 42   1.4040  2.2745   140.8    16.3    10.4
2011 04 29    12 43 00.4 -47 43 49   1.4047  2.2743   140.6    16.3    10.4
2011 04 30    12 41 59.2 -47 38 35   1.4056  2.2740   140.4    16.4    10.5
2011 05 01    12 40 59.8 -47 33 00   1.4067  2.2738   140.2    16.5    10.5
2011 05 02    12 40 02.6 -47 27 07   1.4079  2.2736   139.9    16.6    10.5
2011 05 03    12 39 07.4 -47 20 54   1.4094  2.2734   139.7    16.7    10.5
2011 05 04    12 38 14.4 -47 14 24   1.4110  2.2732   139.4    16.8    10.5
2011 05 05    12 37 23.6 -47 07 37   1.4128  2.2730   139.1    16.9    10.5
2011 05 06    12 36 35.2 -47 00 35   1.4148  2.2729   138.8    17.0    10.5
2011 05 07    12 35 49.1 -46 53 16   1.4170  2.2727   138.4    17.1    10.5
2011 05 08    12 35 05.5 -46 45 44   1.4194  2.2725   138.1    17.3    10.5
2011 05 09    12 34 24.3 -46 37 58   1.4219  2.2724   137.7    17.4    10.5
2011 05 10    12 33 45.6 -46 29 59   1.4246  2.2723   137.3    17.5    10.5
2011 05 11    12 33 09.4 -46 21 49   1.4275  2.2721   136.9    17.7    10.5
2011 05 12    12 32 35.8 -46 13 27   1.4305  2.2720   136.5    17.8    10.5
2011 05 13    12 32 04.8 -46 04 56   1.4337  2.2719   136.0    18.0    10.5
2011 05 14    12 31 36.3 -45 56 15   1.4371  2.2718   135.6    18.1    10.5
2011 05 15    12 31 10.5 -45 47 26   1.4406  2.2717   135.1    18.3    10.6
2011 05 16    12 30 47.3 -45 38 30   1.4443  2.2717   134.7    18.5    10.6
2011 05 17    12 30 26.6 -45 29 26   1.4482  2.2716   134.2    18.6    10.6
2011 05 18    12 30 08.6 -45 20 16   1.4522  2.2716   133.7    18.8    10.6
2011 05 19    12 29 53.2 -45 11 01   1.4564  2.2715   133.2    19.0    10.6
2011 05 20    12 29 40.4 -45 01 41   1.4607  2.2715   132.6    19.1    10.6
2011 05 21    12 29 30.2 -44 52 16   1.4652  2.2715   132.1    19.3    10.6
2011 05 22    12 29 22.6 -44 42 49   1.4698  2.2714   131.6    19.5    10.6
2011 05 23    12 29 17.6 -44 33 18   1.4746  2.2714   131.0    19.6    10.6
2011 05 24    12 29 15.1 -44 23 45   1.4795  2.2714   130.5    19.8    10.6
2011 05 25    12 29 15.2 -44 14 11   1.4846  2.2715   129.9    20.0    10.7
2011 05 26    12 29 17.9 -44 04 36   1.4898  2.2715   129.4    20.2    10.7
2011 05 27    12 29 23.0 -43 55 01   1.4951  2.2715   128.8    20.3    10.7
2011 05 28    12 29 30.7 -43 45 26   1.5006  2.2716   128.2    20.5    10.7
2011 05 29    12 29 40.9 -43 35 52   1.5063  2.2716   127.6    20.7    10.7
2011 05 30    12 29 53.5 -43 26 19   1.5120  2.2717   127.1    20.9    10.7
2011 05 31    12 30 08.6 -43 16 49   1.5179  2.2718   126.5    21.0    10.7

Google Earth file Asteroid (71) Niobe.kmz (9kb, kmz)