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258891 (2002 QR66)
Classification: Main-belt Asteroid          SPK-ID: 2258891
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08981850045931543 4.9263e-08  
a 2.423593276691642 1.6808e-08 au
q 2.20590976285592 1.1731e-07 au
i 5.844151373926287 5.776e-06 deg
node 341.3104216404907 5.2344e-05 deg
peri 57.35923837398531 6.3505e-05 deg
M 247.7831778867401 3.7249e-05 deg
tp 2459630.079452694094
(2022-Feb-19.57945269)
0.00014497 TDB
period 1378.123173135198
3.77
1.4336e-05
3.925e-08
d
yr
n .2612248360797884 2.7174e-09 deg/d
Q 2.641276790527364 1.8317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6024 days (16.49 yr)  
   first obs. used      2002-08-08  
   last obs. used      2019-02-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:46:07  

Additional Information
 Earth MOID = 1.2178 au 
 Jupiter MOID = 2.68118 au 
 T_jup = 3.499 
[ 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 17.4   n/a MPO418376  

258891 (2002 QR66)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

Alternate Designations
 2002 QR66 = 2006 SA303 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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