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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733937836698686 5.5322e-08  
a 2.379437329949897 1.7896e-08 AU
q 1.966857688304555 1.3552e-07 AU
i 2.65782967676141 6.0686e-06 deg
node 165.9592259200783 0.00013853 deg
peri 210.4981886669962 0.00013948 deg
M 335.0711193164104 1.947e-05 deg
tp 2457093.334651452074
(2015-Mar-11.83465145)
7.2856e-05 JED
period 1340.632776374394
3.67
1.5125e-05
4.141e-08
d
yr
n .2685299109078801 3.0295e-09 deg/d
Q 2.792016971595239 2.0999e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      10558 days (28.91 yr)  
   first obs. used      1985-09-18  
   last obs. used      2014-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54909  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:39:03  

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 15.5 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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