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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221918972324593 5.6293e-08  
a 2.431142378189758 1.9163e-08 AU
q 1.89162576004712 1.3664e-07 AU
i 4.614880887311618 5.6354e-06 deg
node 110.9940697441376 7.8584e-05 deg
peri 212.4650533167629 7.9885e-05 deg
M 78.44189629572233 1.8692e-05 deg
tp 2456698.810913009804
(2014-Feb-10.31091301)
6.9308e-05 JED
period 1384.567131154289
3.79
1.637e-05
4.482e-08
d
yr
n .2600090612434764 3.0741e-09 deg/d
Q 2.970658996332396 2.3415e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      8412 days (23.03 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52564  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:14:15  

Additional Information
 Earth MOID = .881894 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 14.3 mag n/a MPO266006  

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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