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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305772195673263 9.5264e-08  
a 3.177337748802098 4.6432e-08 AU
q 2.762449819937212 3.1128e-07 AU
i 19.45815610437709 1.0452e-05 deg
node 206.7196415532667 2.1333e-05 deg
peri 338.145982030653 3.8724e-05 deg
M 32.19783172521743 3.0882e-05 deg
tp 2456615.480447531081
(2013-Nov-18.98044753)
0.00017776 JED
period 2068.680880664523
5.66
4.5346e-05
1.242e-07
d
yr
n .1740239412298127 3.8146e-09 deg/d
Q 3.592225677666984 5.2495e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      8455 days (23.15 yr)  
   first obs. used      1991-02-10  
   last obs. used      2014-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56906  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:13:28  

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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