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215976 (2005 QU120)
Classification: Main-belt Asteroid          SPK-ID: 2215976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04033809525960714 4.2882e-08  
a 2.767664054025682 2.4281e-08 au
q 2.656021757767803 1.18e-07 au
i 2.14581835945508 6.8538e-06 deg
node 353.9982784673935 0.00011506 deg
peri 277.7745737021253 0.00014368 deg
M 135.1530733998012 8.7583e-05 deg
tp 2458369.118413550095
(2018-Sep-07.61841355)
0.0004081 TDB
period 1681.777301871555
4.60
2.2132e-05
6.059e-08
d
yr
n .2140592571914108 2.817e-09 deg/d
Q 2.87930635028356 2.5261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6546 days (17.92 yr)  
   first obs. used      2001-11-19  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60842  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:01:28  

Additional Information
 Earth MOID = 1.64089 au 
 Jupiter MOID = 2.15229 au 
 T_jup = 3.336 
[ 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 16.4   n/a MPO454551  

215976 (2005 QU120)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2005 QU120 = 2008 DO17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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