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5590 (1990 VA)
Classification: Aten [NEO]          SPK-ID: 2005590
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2794750898330593 1.7104e-06  
a .9855645909977003 2.9218e-08 AU
q .7101238383923356 1.7025e-06 AU
i 14.18605913632954 5.8854e-05 deg
node 216.3163179166031 7.1642e-05 deg
peri 34.4687368134368 0.00010326 deg
M 158.4399861624428 0.00067233 deg
tp 2456643.214618600378
(2013-Dec-16.71461860)
0.00066202 JED
period 357.3765605218531
0.98
1.5892e-05
4.351e-08
d
yr
n 1.007340826925851 4.4796e-08 deg/d
Q 1.261005343603065 3.7384e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      2218 days (6.07 yr)  
   first obs. used      1990-11-09  
   last obs. used      1996-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .65555  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:13:48  

Additional Information
 Earth MOID = .120834 AU 
 T_jup = 6.090 
[ 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 19.7 mag n/a PDS3 (MPC 22212)  

5590 (1990 VA)          Discovered 1990-Nov-09 by Spacewatch at Kitt Peak (691)
Reference: DISCOVERY.DBLast Updated: 2013-09-05

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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