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187178 (2005 SH39)
Classification: Main-belt Asteroid          SPK-ID: 2187178
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09128445744976725 6.9208e-08  
a 2.711587922616035 2.4929e-08 au
q 2.464062090272689 1.9217e-07 au
i 2.59964992838955 6.6964e-06 deg
node 180.0709812188684 0.00010018 deg
peri 190.9867923756022 0.00010359 deg
M 147.4643936547192 2.7504e-05 deg
tp 2458532.435134963413
(2019-Feb-17.93513496)
0.00012044 TDB
period 1630.924899581512
4.47
2.2491e-05
6.158e-08
d
yr
n .2207336463453188 3.044e-09 deg/d
Q 2.959113754959381 2.7205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7028 days (19.24 yr)  
   first obs. used      2001-12-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:19  

Additional Information
 Earth MOID = 1.46218 au 
 Jupiter MOID = 2.48807 au 
 T_jup = 3.355 
[ 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 16.5   n/a MPO413003  

187178 (2005 SH39)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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