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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09811198809461784 5.0535e-08  
a 3.057529578868192 2.0564e-08 au
q 2.757549273227334 1.5759e-07 au
i 1.854719699961954 4.0625e-06 deg
node 268.3270037395191 0.00017583 deg
peri 107.194945125613 0.00017721 deg
M 125.4083960708216 2.3826e-05 deg
tp 2458520.234352507644
(2019-Feb-05.73435251)
0.0001272 TDB
period 1952.784987051016
5.35
1.9701e-05
5.394e-08
d
yr
n .1843520932346225 1.8598e-09 deg/d
Q 3.357509884509049 2.2581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1992-11-25  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:16:38  

Additional Information
 Earth MOID = 1.75792 au 
 Jupiter MOID = 2.11541 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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