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JPL Small-Body Database Browser
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201218 (2002 QW56)
Classification: Main-belt Asteroid          SPK-ID: 2201218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07383391658978275 5.6597e-08  
a 2.857729864901396 2.9909e-08 au
q 2.646732476420135 1.6267e-07 au
i 2.911308319471404 5.5098e-06 deg
node 62.01966630038564 0.00011533 deg
peri 334.9854617801288 0.00012094 deg
M 106.4646063124861 3.7365e-05 deg
tp 2458078.665319041041
(2017-Nov-21.16531904)
0.00018153 TDB
period 1764.534634109599
4.83
2.7702e-05
7.584e-08
d
yr
n .2040197982181628 3.2029e-09 deg/d
Q 3.068727253382657 3.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      6052 days (16.57 yr)  
   first obs. used      2002-08-11  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:48:15  

Additional Information
 Earth MOID = 1.65353 au 
 Jupiter MOID = 2.25354 au 
 T_jup = 3.297 
[ 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 15.7   n/a MPO245371  

201218 (2002 QW56)          Discovered 2002-Aug-29 by Hoenig, S. F. at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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