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385641 (2005 QT120)
Classification: Main-belt Asteroid          SPK-ID: 2385641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124368797039177 5.2234e-08  
a 2.335911796359683 1.0337e-08 au
q 1.839677983077459 1.2006e-07 au
i .8471557738511749 8.8185e-06 deg
node 148.6219547440203 0.00037161 deg
peri 265.4957241705249 0.00037228 deg
M 48.89776268287292 2.0687e-05 deg
tp 2459023.379196240731
(2020-Jun-22.87919624)
7.4542e-05 TDB
period 1304.016500036532
3.57
8.6558e-06
2.37e-08
d
yr
n .2760701264055437 1.8325e-09 deg/d
Q 2.832145609641907 1.2533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      10712 days (29.33 yr)  
   first obs. used      1991-11-05  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .67722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:08  

Additional Information
 Earth MOID = .850519 au 
 Jupiter MOID = 2.53019 au 
 T_jup = 3.537 
[ 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 18.28   n/a MPCxxxxx  

385641 (2005 QT120)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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