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120388 (2005 QD39)
Classification: Main-belt Asteroid          SPK-ID: 2120388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107733513391 5.2956e-08  
a 3.017632235317125 3.0744e-08 au
q 2.683358999502148 1.6779e-07 au
i 9.28633458598105 7.4242e-06 deg
node 321.7653163164365 3.8043e-05 deg
peri 314.5159120461204 5.084e-05 deg
M 333.9991831988725 3.481e-05 deg
tp 2459138.787327270516
(2020-Oct-16.28732727)
0.00018563 TDB
period 1914.687457635052
5.24
2.926e-05
8.011e-08
d
yr
n .1880202424497302 2.8733e-09 deg/d
Q 3.351905471132103 3.4149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7217 days (19.76 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:32  

Additional Information
 Earth MOID = 1.67688 au 
 Jupiter MOID = 1.86902 au 
 T_jup = 3.218 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO432705  

120388 (2005 QD39)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2005 QD39 = 2000 SX48 = 2004 GF87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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