* Astronomy

Blobrana · L

RE: Asteroid 2007 RT9

Blobrana · L

Orbital Information

	element value	1-sigma variation
a (AU)	1.6533	0.05132
eccentricity	0.566185	0.06691
inclination (deg)	20.147	3.592
Asc. node (deg)	164.001	0.1176
Arg. perih. (deg)	24.977	0.3516
M (deg)	321.286	17.6

Absolute Magnitude (H)	18.897
Slope parameter (G)	0.15
Perihelion (AU)	0.7172
Aphelion (AU)	2.5894
Asc. node-Earth sep. (AU)	-0.25003
Desc. node-Earth sep. (AU)	1.29883
Earth MOID (AU)	0.20942
Orbital period (days)	776.47
Date of orbit computation	Dec 14 02:24

Source

Ephemeris

                        Equatorial coordinates 
    Date      Hour        RA            DEC       Mag  
             (UTC)     h  m  s        d  '  "          
 =========== ======  =============  ============ ===== 
 17 Jan 2009 20.133   15 27 24.133  -58 16  3.28  19.7  
 18 Jan 2009 20.133   15 43 12.563  -56 48  6.23  19.7   
 19 Jan 2009 20.133   15 57 47.565  -55 13 58.01  19.8  
 20 Jan 2009 20.133   16 11 12.861  -53 34 54.22  19.9   
 21 Jan 2009 20.133   16 23 33.309  -51 52  6.10  20.0   
 22 Jan 2009 20.133   16 34 54.316  -50  6 39.33  20.1   
 23 Jan 2009 20.133   16 45 21.422  -48 19 33.43  20.1       
 24 Jan 2009 20.133   16 55  0.025  -46 31 41.44  20.2       
 25 Jan 2009 20.133   17  3 55.218  -44 43 49.99  20.3      
 26 Jan 2009 20.133   17 12 11.704  -42 56 39.48  20.3       
 27 Jan 2009 20.133   17 19 53.764  -41 10 44.37  20.4       
 28 Jan 2009 20.133   17 27  5.253  -39 26 33.61  20.5      
 29 Jan 2009 20.133   17 33 49.619  -37 44 31.04  20.5       
 30 Jan 2009 20.133   17 40  9.936  -36  4 55.92  20.6     
 31 Jan 2009 20.133   17 46  8.934  -34 28  3.33  20.6

Blobrana · L

Orbital elements:
2007 RT9                                                 Earth MOID = 0.2352 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 317.40239              (2000.0)            P               Q
n   0.45829662     Peri.   24.56274     -0.98093831     +0.16664042
a   1.6661149      Node   164.03722     -0.17221660     -0.98379097
e   0.5855051      Incl.   21.31259     +0.09000823     -0.06622912
P   2.15           H   18.8           G   0.15           U   4

MPEC 2009 -B02