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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730687080360986 4.5303e-08  
a 2.380375817933095 1.4433e-08 au
q 1.968407250483043 1.0705e-07 au
i 2.658492918737497 5.3826e-06 deg
node 165.9544325674907 0.00012255 deg
peri 210.6996050835914 0.00012379 deg
M 135.990034275928 1.9871e-05 deg
tp 2457093.776198908558
(2015-Mar-12.27619891)
7.2318e-05 JED
period 1341.426004958438
3.67
1.22e-05
3.34e-08
d
yr
n .268371120486183 2.4408e-09 deg/d
Q 2.792344385383147 1.693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      11153 days (30.54 yr)  
   first obs. used      1985-09-18  
   last obs. used      2016-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54451  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:14:37  

Additional Information
 Earth MOID = .969037 au 
 Jupiter MOID = 2.66402 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 15.6 mag n/a MPO309459  

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

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