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385640 (2005 QW116)
Classification: Main-belt Asteroid          SPK-ID: 2385640
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935235627588469 7.4013e-08  
a 2.364898867771213 1.6688e-08 au
q 1.907235213315765 1.7133e-07 au
i 2.78620258801311 9.9488e-06 deg
node 154.1931160768846 0.00014688 deg
peri 252.1588473322026 0.00015052 deg
M 27.29878298335147 2.5751e-05 deg
tp 2459099.770176685262
(2020-Sep-07.27017669)
9.5119e-05 TDB
period 1328.364580040844
3.64
1.406e-05
3.849e-08
d
yr
n .2710099361343485 2.8686e-09 deg/d
Q 2.822562522226661 1.9917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5652 days (15.47 yr)  
   first obs. used      2005-07-30  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:08  

Additional Information
 Earth MOID = .918034 au 
 Jupiter MOID = 2.56989 au 
 T_jup = 3.522 
[ 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 17.68   n/a MPCxxxxx  

385640 (2005 QW116)          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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