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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173216641477128 5.2305e-08  
a 2.379323103102385 1.6854e-08 au
q 1.967184746194051 1.2759e-07 au
i 2.657965903986184 5.879e-06 deg
node 165.9587844839053 0.00013488 deg
peri 210.5439022984424 0.00013589 deg
M 82.46298179771605 1.9746e-05 deg
tp 2457093.431623388891
(2015-Mar-11.93162339)
7.2384e-05 JED
period 1340.536240263157
3.67
1.4244e-05
3.9e-08
d
yr
n .2685492485673714 2.8534e-09 deg/d
Q 2.791461460010718 1.9773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      11049 days (30.25 yr)  
   first obs. used      1985-09-18  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54682  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:38:05  

Additional Information
 Earth MOID = .967307 au 
 Jupiter MOID = 2.66568 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

[ 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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