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27734 (1990 RA8)
Classification: Main-belt Asteroid          SPK-ID: 2027734
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900214919500958 8.6472e-08  
a 2.393207636796876 1.7864e-08 AU
q 1.938446751106371 2.0625e-07 AU
i 2.532158430198513 9.5982e-06 deg
node 7.073743981246108 0.00015889 deg
peri 353.5460808968793 0.00016033 deg
M 134.7549494929878 2.4263e-05 deg
tp 2456294.312726782069
(2013-Jan-01.81272678)
8.7539e-05 JED
period 1352.287385688478
3.70
1.5141e-05
4.145e-08
d
yr
n .266215601661267 2.9808e-09 deg/d
Q 2.847968522487382 2.1259e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      8632 days (23.63 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58623  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:25:59  

Additional Information
 Earth MOID = .933966 AU 
 T_jup = 3.505 
[ 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 15.9 mag n/a PDS3 (MPO 15148)  

27734 (1990 RA8)          Discovered 1990-Sep-14 by Debehogne, H. at La Silla (809)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RA8 = 1990 QF7 = 1990 SN14 = 1996 EZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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