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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3081578964435469 5.7952e-08  
a 3.055746200632271 1.6812e-08 AU
q 2.11409387938007 1.7374e-07 AU
i 3.393731703898017 6.2958e-06 deg
node 173.1052032850712 9.805e-05 deg
peri 212.050777886445 9.8815e-05 deg
M 124.6814094297106 9.9038e-06 deg
tp 2456124.769456500267
(2012-Jul-16.26945650)
5.1121e-05 JED
period 1951.076722444689
5.34
1.6102e-05
4.408e-08
d
yr
n .18451350265146 1.5228e-09 deg/d
Q 3.997398521884472 2.1993e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1144  
   data-arc span      35938 days (98.39 yr)  
   first obs. used      1915-10-14  
   last obs. used      2014-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56751  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:47:47  

Additional Information
 Earth MOID = 1.11763 AU 
 T_jup = 3.158 
[ 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 12.7 mag n/a MPO259382  

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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