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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812325678125092 1.0639e-07  
a 2.33318498457743 1.9541e-08 AU
q 1.67701738018313 2.5322e-07 AU
i 23.54527480054425 9.7406e-06 deg
node 67.01947520500822 2.0815e-05 deg
peri 293.9857320210369 2.4744e-05 deg
M 228.3738557306994 1.4333e-05 deg
tp 2457476.450563146842
(2016-Mar-28.95056315)
5.3419e-05 JED
period 1301.733813476337
3.56
1.6353e-05
4.477e-08
d
yr
n .2765542357992563 3.4743e-09 deg/d
Q 2.98935258897173 2.5036e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7490 days (20.51 yr)  
   first obs. used      1994-08-26  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61123  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:39:15  

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
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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