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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307463945033993 6.4356e-08  
a 3.17900580042789 3.8057e-08 au
q 2.76336225391655 1.9844e-07 au
i 19.45818089150118 7.4353e-06 deg
node 206.6951892940152 1.69e-05 deg
peri 338.4137608124955 3.0738e-05 deg
M 171.0695567511264 2.3694e-05 deg
tp 2456616.702676469400
(2013-Nov-20.20267647)
0.00013936 JED
period 2070.31013113725
5.67
3.7176e-05
1.018e-07
d
yr
n .1738869914152654 3.1225e-09 deg/d
Q 3.594649346939229 4.3033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      8942 days (24.48 yr)  
   first obs. used      1991-02-10  
   last obs. used      2015-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54097  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 14:02:58  

Additional Information
 Earth MOID = 1.77029 au 
 Jupiter MOID = 1.40249 au 
 T_jup = 3.098 
[ 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 13.1 mag n/a MPO347673  

19170 (1991 FH)          Discovered 1991-Mar-18 by McNaught, R. H. at Siding Spring
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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