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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906227261946011 7.0367e-08  
a 2.3927198856898 1.9597e-08 au
q 1.936613098059575 1.7248e-07 au
i 2.532725927038165 8.372e-06 deg
node 7.065313207955314 0.0001336 deg
peri 353.4299509931291 0.00013487 deg
M 347.9688364484221 2.4483e-05 deg
tp 2457645.679492190447
(2016-Sep-14.17949219)
9.2368e-05 JED
period 1351.873999454332
3.70
1.6608e-05
4.547e-08
d
yr
n .266297007077072 3.2716e-09 deg/d
Q 2.848826673320024 2.3333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      9041 days (24.75 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56356  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:56:10  

Additional Information
 Earth MOID = .932397 au 
 Jupiter MOID = 2.59337 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 16.0 mag n/a MPO337492  

27734 (1990 RA8)          Discovered 1990-Sep-14 by Debehogne, H. at La Silla
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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