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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09795907504430661 5.1225e-08  
a 3.057648789643802 2.1917e-08 au
q 2.758124342399952 1.6089e-07 au
i 1.854907944316566 4.3024e-06 deg
node 268.3323362382171 0.00017751 deg
peri 107.1898069409616 0.00017897 deg
M 88.55564325431331 2.3967e-05 deg
tp 2458520.110432256705
(2019-Feb-05.61043226)
0.00012887 TDB
period 1952.899194588176
5.35
2.0997e-05
5.749e-08
d
yr
n .1843413121361424 1.982e-09 deg/d
Q 3.357173236887653 2.4064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      9902 days (27.11 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:15:04  

Additional Information
 Earth MOID = 1.75992 au 
 Jupiter MOID = 2.11455 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 14.9   n/a MPO452878  

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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