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216622 (2002 WQ7)
Classification: Main-belt Asteroid          SPK-ID: 2216622
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1993093565710531 5.0695e-08  
a 2.187302033956452 8.2432e-09 au
q 1.751352272942036 1.1012e-07 au
i 4.672686542660761 4.5994e-06 deg
node 75.4577326817618 5.9393e-05 deg
peri 266.3879885503551 6.0615e-05 deg
M 268.9584277459744 1.4351e-05 deg
tp 2459499.312534048505
(2021-Oct-11.81253405)
4.7747e-05 TDB
period 1181.575730670724
3.23
6.6794e-06
1.829e-08
d
yr
n .3046778895802517 1.7223e-09 deg/d
Q 2.623251794970868 9.8862e-09 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      6347 days (17.38 yr)  
   first obs. used      2002-11-07  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:35  

Additional Information
 Earth MOID = .749065 au 
 Jupiter MOID = 2.78135 au 
 T_jup = 3.645 
[ 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 17.22   n/a E2021B55  

216622 (2002 WQ7)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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