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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .281232579222984 1.0967e-07  
a 2.333184985299727 1.9598e-08 AU
q 1.677017354079545 2.6048e-07 AU
i 23.54527474297548 9.7507e-06 deg
node 67.01947609084903 2.1116e-05 deg
peri 293.9857301496249 2.5105e-05 deg
M 228.3738555639806 1.4343e-05 deg
tp 2457476.450563970699
(2016-Mar-28.95056397)
5.3473e-05 JED
period 1301.733814080814
3.56
1.6401e-05
4.49e-08
d
yr
n .2765542356708346 3.4845e-09 deg/d
Q 2.98935261651991 2.511e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1994-08-26  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 08:20:34  

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 14.6 mag n/a MPO257214  

52440 (1994 QN)          Discovered 1994-Aug-26 by McNaught, R. H. at Siding Spring (413)
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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