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52440 (1994 QN)
Classification: Main-belt Asteroid          SPK-ID: 2052440
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812325205157709 8.8223e-08  
a 2.333184982290206 1.9342e-08 AU
q 1.677017488891187 2.1313e-07 AU
i 23.54527492494084 9.6533e-06 deg
node 67.01947699189871 1.7813e-05 deg
peri 293.9857334272374 2.2357e-05 deg
M 228.3738571931154 1.4187e-05 deg
tp 2457476.450557158990
(2016-Mar-28.95055716)
5.2786e-05 JED
period 1301.733811562201
3.56
1.6187e-05
4.432e-08
d
yr
n .2765542362059159 3.4389e-09 deg/d
Q 2.989352475689225 2.4781e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      7579 days (20.75 yr)  
   first obs. used      1994-08-26  
   last obs. used      2015-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59383  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:55:08  

Additional Information
 Earth MOID = .795896 AU 
 T_jup = 3.408 
[ 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 14.7 mag n/a MPO337677  

52440 (1994 QN)          Discovered 1994-Aug-26 by McNaught, R. H. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 QN = 1998 XF16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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