Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
5964 (1990 QN4)
Classification: Main-belt Asteroid          SPK-ID: 2005964
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3082077378362946 5.6455e-08  
a 3.055339505864635 1.8534e-08 AU
q 2.113660228440234 1.6872e-07 AU
i 3.394056738838052 6.1693e-06 deg
node 173.1059762442269 9.1769e-05 deg
peri 212.0121760835993 9.2417e-05 deg
M 161.6486730912024 9.9438e-06 deg
tp 2456124.594439307594
(2012-Jul-16.09443931)
4.967e-05 JED
period 1950.68722693046
5.34
1.775e-05
4.86e-08
d
yr
n .184550344632381 1.6793e-09 deg/d
Q 3.997018783289036 2.4247e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      36023 days (98.63 yr)  
   first obs. used      1915-10-14  
   last obs. used      2014-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5404  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:33:11  

Additional Information
 Earth MOID = 1.11835 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-22 21:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin