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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900214135144009 7.5264e-08  
a 2.393207625011295 2.0114e-08 AU
q 1.938446929273206 1.8288e-07 AU
i 2.53214938459665 8.8094e-06 deg
node 7.073683365288283 0.00015139 deg
peri 353.5461193999847 0.00015281 deg
M 134.7549723111262 2.2981e-05 deg
tp 2456294.312644808219
(2013-Jan-01.81264481)
8.2325e-05 JED
period 1352.287375699274
3.70
1.7048e-05
4.667e-08
d
yr
n .2662156036277736 3.3562e-09 deg/d
Q 2.847968320749383 2.3936e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      417  
   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      .56902  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 01:51:47  

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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