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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733937868648373 5.4531e-08  
a 2.379437330711505 1.7764e-08 AU
q 1.966857681331877 1.3398e-07 AU
i 2.657829535902902 6.0371e-06 deg
node 165.959220767807 0.00013644 deg
peri 210.498194031138 0.00013741 deg
M 335.0711186556382 1.937e-05 deg
tp 2457093.334653957348
(2015-Mar-11.83465396)
7.2473e-05 JED
period 1340.632777018056
3.67
1.5013e-05
4.11e-08
d
yr
n .268529910778954 3.0072e-09 deg/d
Q 2.792016980091133 2.0844e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      10597 days (29.01 yr)  
   first obs. used      1985-09-18  
   last obs. used      2014-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54719  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:22:20  

Additional Information
 Earth MOID = .968619 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 (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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