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277158 (2005 MH39)
Classification: Main-belt Asteroid          SPK-ID: 2277158
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2402886689934346 7.6981e-08  
a 2.380527335759742 1.3258e-08 au
q 1.808513590747547 1.8487e-07 au
i 4.479039569985308 8.0184e-06 deg
node 313.986859927707 6.5495e-05 deg
peri 29.05593097987663 6.7018e-05 deg
M 353.065157337924 1.4726e-05 deg
tp 2459026.342962515229
(2020-Jun-25.84296252)
5.4993e-05 TDB
period 1341.554085481906
3.67
1.1207e-05
3.068e-08
d
yr
n .268345498624219 2.2418e-09 deg/d
Q 2.952541080771937 1.6444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5998 days (16.42 yr)  
   first obs. used      2002-12-07  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:09:52  

Additional Information
 Earth MOID = .801989 au 
 Jupiter MOID = 2.46259 au 
 T_jup = 3.495 
[ 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 17.4   n/a MPO437262  

277158 (2005 MH39)          Discovered 2005-Jun-28 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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