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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107733539293453 5.3018e-08  
a 3.017632237899502 3.0858e-08 au
q 2.683358993982058 1.6788e-07 au
i 9.286335122785388 7.4599e-06 deg
node 321.7653176441494 3.8083e-05 deg
peri 314.5159138134203 5.0972e-05 deg
M 333.9991793237576 3.5041e-05 deg
tp 2459138.787348058121
(2020-Oct-16.28734806)
0.00018688 TDB
period 1914.687460092829
5.24
2.9369e-05
8.041e-08
d
yr
n .1880202422083792 2.884e-09 deg/d
Q 3.351905481816945 3.4276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:56:30  

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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