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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306890481601002 6.4684e-08  
a 3.177949864536597 3.801e-08 AU
q 2.76262662163979 1.9968e-07 AU
i 19.45641525716351 7.5227e-06 deg
node 206.7149200303945 1.7084e-05 deg
peri 338.2098340564829 3.1056e-05 deg
M 66.93576399479902 2.4245e-05 deg
tp 2456615.753468765808
(2013-Nov-19.25346877)
0.0001408 JED
period 2069.278708092008
5.67
3.7125e-05
1.016e-07
d
yr
n .1739736646359931 3.1212e-09 deg/d
Q 3.593273107433404 4.2978e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      789  
   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      .52139  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:52:08  

Additional Information
 Earth MOID = 1.77155 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 13.0 mag n/a PDS3 (MPO 6469)  

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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