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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04052746016346768 4.2806e-08  
a 2.767071757681384 2.4408e-08 au
q 2.654929367252495 1.1782e-07 au
i 2.146060048315712 6.8546e-06 deg
node 354.0025077551142 0.00011505 deg
peri 277.4415666082118 0.0001435 deg
M 49.82562999252505 8.715e-05 deg
tp 2458367.809122547985
(2018-Sep-06.30912255)
0.00040662 TDB
period 1681.237465442837
4.60
2.2245e-05
6.09e-08
d
yr
n .214127990482996 2.8332e-09 deg/d
Q 2.879214148110273 2.5397e-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 = 1.63933 au 
 Jupiter MOID = 2.15269 au 
 T_jup = 3.337 
[ 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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