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9049 (1991 RQ27)
Classification: Main-belt Asteroid          SPK-ID: 2009049
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221707523871624 7.0503e-08  
a 2.431512642655558 2.1744e-08 AU
q 1.891301649397875 1.6827e-07 AU
i 4.614724222827964 6.4207e-06 deg
node 110.995761927709 8.7809e-05 deg
peri 212.504162427896 8.9157e-05 deg
M 282.4290191566436 1.9173e-05 deg
tp 2456698.907687441725
(2014-Feb-10.40768744)		 7.6628e-05 JED
period 1384.883448824168
3.79		 1.8576e-05
5.086e-08		 d
yr
n .2599496732419304 3.4869e-09 deg/d
Q 2.971723635913241 2.6574e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1991-09-12  
   last obs. used      2013-04-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .54014  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:33:55  

Additional Information
 Earth MOID = .880614 AU 
 T_jup = 3.469 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a PDS3 (MPC 32185)  

9049 (1991 RQ27)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar (675)
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RQ27 = 1995 WP37 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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