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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08934888199212497 4.5662e-08  
a 2.424275016738867 1.4335e-08 au
q 2.207668754351809 1.1143e-07 au
i 5.845547834090466 5.7736e-06 deg
node 341.2983282801856 4.8453e-05 deg
peri 57.16235375660045 5.9593e-05 deg
M 299.1296576558924 3.4837e-05 deg
tp 2459629.617297245877
(2022-Feb-19.11729725)
0.00013428 TDB
period 1378.704698818562
3.77
1.2229e-05
3.348e-08
d
yr
n .2611146537097398 2.3161e-09 deg/d
Q 2.640881279125925 1.5616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6936 days (18.99 yr)  
   first obs. used      2002-08-08  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:38:53  

Additional Information
 Earth MOID = 1.21992 au 
 Jupiter MOID = 2.68081 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 17.56   n/a MPO638406  

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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