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187209 (2005 SH104)
Classification: Main-belt Asteroid          SPK-ID: 2187209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05713958544474403 5.6641e-08  
a 2.77463972102062 2.256e-08 au
q 2.616097957602981 1.5467e-07 au
i 5.059706346061327 5.8076e-06 deg
node 22.34455357858668 5.5338e-05 deg
peri 351.8781298063999 7.3357e-05 deg
M 111.0872803414825 4.7448e-05 deg
tp 2458679.581046544375
(2019-Jul-15.08104654)
0.00022078 TDB
period 1688.13947616284
4.62
2.0589e-05
5.637e-08
d
yr
n .2132525215382582 2.6008e-09 deg/d
Q 2.933181484438258 2.3849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2003-03-23  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:27  

Additional Information
 Earth MOID = 1.61524 au 
 Jupiter MOID = 2.33746 au 
 T_jup = 3.328 
[ 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 16.4   n/a MPO454289  

187209 (2005 SH104)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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