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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812044155131703 8.4553e-08  
a 2.333549443428176 1.9392e-08 au
q 1.677345036117872 2.0512e-07 au
i 23.54365494614999 9.5823e-06 deg
node 67.01515441674512 1.668e-05 deg
peri 293.93414281032 2.1688e-05 deg
M 34.32810472930057 1.4695e-05 deg
tp 2457476.342984801849
(2016-Mar-28.84298480)
5.2658e-05 JED
period 1302.038834470923
3.56
1.623e-05
4.444e-08
d
yr
n .276489449061851 3.4464e-09 deg/d
Q 2.989753850738481 2.4844e-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 = .795348 au 
 Jupiter MOID = 2.73593 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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