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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812282677503307 8.4562e-08  
a 2.333641588567473 1.9324e-08 au
q 1.677355607064513 2.0513e-07 au
i 23.54295940439098 9.582e-06 deg
node 67.01788508899151 1.6681e-05 deg
peri 293.9452861384232 2.1686e-05 deg
M 339.0239296849821 1.448e-05 deg
tp 2457476.370210690738
(2016-Mar-28.87021069)
5.2651e-05 JED
period 1302.115955871425
3.56
1.6173e-05
4.428e-08
d
yr
n .2764730732134178 3.4341e-09 deg/d
Q 2.989927570070433 2.4758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      7604 days (20.82 yr)  
   first obs. used      1994-08-26  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58035  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:22:58  

Additional Information
 Earth MOID = .795278 au 
 Jupiter MOID = 2.73676 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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