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5964 (1990 QN4)
Classification: Main-belt Asteroid          SPK-ID: 2005964
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3080469066179961 5.8566e-08  
a 3.058892499925698 1.7032e-08 AU
q 2.116610127646598 1.7629e-07 AU
i 3.391671443967958 6.3315e-06 deg
node 173.1303609998743 0.00010724 deg
peri 212.2193838264632 0.00010805 deg
M 50.71292078504676 9.9415e-06 deg
tp 2456125.228739024879
(2012-Jul-16.72873903)		 5.312e-05 JED
period 1954.090839513696
5.35		 1.6321e-05
4.468e-08		 d
yr
n .1842288969992773 1.5387e-09 deg/d
Q 4.001174872204798 2.2279e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      35607 days (97.49 yr)  
   first obs. used      1915-10-14  
   last obs. used      2013-04-09  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .57726  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:19:23  

Additional Information
 Earth MOID = 1.12089 AU 
 T_jup = 3.157 
[ 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 12.0 mag n/a PDS3 (MPC 28114)  

5964 (1990 QN4)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 QN4 = 1970 AD = 1979 OB14 = 1982 DT1 = A915 TH 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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