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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3081578959525781 5.7795e-08  
a 3.055746200649802 1.6794e-08 AU
q 2.114093880892474 1.7321e-07 AU
i 3.393731511280892 6.2921e-06 deg
node 173.1051836993286 9.4713e-05 deg
peri 212.0507972778181 9.5469e-05 deg
M 124.6814095218709 9.8073e-06 deg
tp 2456124.769455994974
(2012-Jul-16.26945599)
5.0532e-05 JED
period 1951.076722461479
5.34
1.6084e-05
4.404e-08
d
yr
n .1845135026498722 1.5211e-09 deg/d
Q 3.997398520407129 2.1969e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1166  
   data-arc span      35967 days (98.47 yr)  
   first obs. used      1915-10-14  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56411  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:49:31  

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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