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19170 (1991 FH)
Classification: Main-belt Asteroid          SPK-ID: 2019170
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305771305802713 7.1758e-08  
a 3.177337750544548 4.0885e-08 AU
q 2.762450104194067 2.2882e-07 AU
i 19.45816611157844 8.7006e-06 deg
node 206.7196357998802 1.7272e-05 deg
peri 338.1460076791774 3.4796e-05 deg
M 32.19780349713709 2.7256e-05 deg
tp 2456615.480609586912
(2013-Nov-18.98060959)
0.00015785 JED
period 2068.680882366218
5.66
3.9929e-05
1.093e-07
d
yr
n .1740239410866607 3.3589e-09 deg/d
Q 3.59222539689503 4.6224e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      8511 days (23.30 yr)  
   first obs. used      1991-02-10  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53363  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:04:57  

Additional Information
 Earth MOID = 1.77057 AU 
 T_jup = 3.099 
[ 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 13.0 mag n/a PDS3 (MPO 6469)  

19170 (1991 FH)          Discovered 1991-Mar-18 by McNaught, R. H. at Siding Spring (413)
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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