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19170 (1991 FH)
Classification: Main-belt Asteroid          SPK-ID: 2019170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306992955816562 4.1666e-08  
a 3.178212123316757 2.2083e-08 au
q 2.762822037590177 1.3797e-07 au
i 19.45517846008283 4.7743e-06 deg
node 206.679009463509 1.1429e-05 deg
peri 338.9841604629557 1.9825e-05 deg
M 54.06417308312429 1.475e-05 deg
tp 2458689.700858279047
(2019-Jul-25.20085828)
8.5087e-05 TDB
period 2069.534862717951
5.67
2.1569e-05
5.905e-08
d
yr
n .1739521312181263 1.813e-09 deg/d
Q 3.593602209043337 2.4969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1461  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1991-02-10  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:43:04  

Additional Information
 Earth MOID = 1.7698 au 
 Jupiter MOID = 1.40125 au 
 T_jup = 3.098 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO347673  
diameter diameter 12.603 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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