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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812325517507465 1.0177e-07  
a 2.333184983700179 1.9478e-08 AU
q 1.677017417027654 2.43e-07 AU
i 23.54527497958337 9.7336e-06 deg
node 67.01947332371658 2.032e-05 deg
peri 293.9857349791051 2.4244e-05 deg
M 228.3738560884218 1.4303e-05 deg
tp 2457476.450561584916
(2016-Mar-28.95056158)
5.3284e-05 JED
period 1301.733812742181
3.56
1.6301e-05
4.463e-08
d
yr
n .2765542359552282 3.4632e-09 deg/d
Q 2.989352550372704 2.4956e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7522 days (20.59 yr)  
   first obs. used      1994-08-26  
   last obs. used      2015-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60879  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:22:47  

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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