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52061 (2002 QR9)
Classification: Main-belt Asteroid          SPK-ID: 2052061
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09831617826032636 5.0265e-08  
a 3.057046100649286 1.9887e-08 au
q 2.756489011267815 1.5618e-07 au
i 1.8546334237924 3.8755e-06 deg
node 268.3155273344973 0.00017569 deg
peri 107.2002705803182 0.00017702 deg
M 161.5393181879087 2.3804e-05 deg
tp 2458520.453510598407
(2019-Feb-05.95351060)
0.00012617 TDB
period 1952.321823085295
5.35
1.9051e-05
5.216e-08
d
yr
n .184395828465967 1.7993e-09 deg/d
Q 3.357603190030756 2.1842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      10382 days (28.42 yr)  
   first obs. used      1992-11-25  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55063  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:52:23  

Additional Information
 Earth MOID = 1.7575 au 
 Jupiter MOID = 2.11641 au 
 T_jup = 3.227 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.94   n/a MPCxxxxx  

52061 (2002 QR9)          Discovered 2002-Aug-20 by NEAT at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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