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39511 (1985 SH1)
Classification: Main-belt Asteroid          SPK-ID: 2039511
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734728223868112 5.7136e-08  
a 2.379559870182164 1.8134e-08 AU
q 1.96677090346327 1.3913e-07 AU
i 2.657629391079336 6.172e-06 deg
node 165.9625486381906 0.00014127 deg
peri 210.4967047137094 0.00014219 deg
M 281.3734047745581 1.9408e-05 deg
tp 2457093.326482171401
(2015-Mar-11.82648217)
7.34e-05 JED
period 1340.736340921877
3.67
1.5326e-05
4.196e-08
d
yr
n .2685091684413265 3.0693e-09 deg/d
Q 2.792348836901058 2.1279e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      10515 days (28.79 yr)  
   first obs. used      1985-09-18  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55557  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:19:43  

Additional Information
 Earth MOID = .96722 AU 
 T_jup = 3.517 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO263676  

39511 (1985 SH1)          Discovered 1985-Sep-18 by Debehogne, H. at La Silla (809)
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1985 SH1 = 1996 TD39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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