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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812325224354056 8.4584e-08  
a 2.333184982320473 1.9316e-08 AU
q 1.677017484434079 2.0514e-07 AU
i 23.54527367819828 9.5829e-06 deg
node 67.01948389559993 1.6679e-05 deg
peri 293.9857276496132 2.1682e-05 deg
M 228.3738567762425 1.415e-05 deg
tp 2457476.450558675633
(2016-Mar-28.95055868)
5.2635e-05 JED
period 1301.73381158753
3.56
1.6165e-05
4.426e-08
d
yr
n .2765542362005346 3.4342e-09 deg/d
Q 2.989352480206867 2.4748e-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 = .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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