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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904263331754708 7.53e-08  
a 2.392344573041575 2.0001e-08 AU
q 1.936779168305031 1.8289e-07 AU
i 2.532798812245254 8.8122e-06 deg
node 7.06714630889157 0.00015135 deg
peri 353.5079608071238 0.00015275 deg
M 188.0613419105217 2.3378e-05 deg
tp 2457646.013095052365
(2016-Sep-14.51309505)
9.3415e-05 JED
period 1351.555937454835
3.70
1.6949e-05
4.64e-08
d
yr
n .2663596748188826 3.3403e-09 deg/d
Q 2.847909977778119 2.3809e-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 = .933807 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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