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19347 (1997 CH9)
Classification: Main-belt Asteroid          SPK-ID: 2019347
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731215404730787 4.8581e-08  
a 2.785583444419009 1.2574e-08 au
q 2.303338947404885 1.3505e-07 au
i 5.34304921998823 6.5947e-06 deg
node 339.03305502131 4.0169e-05 deg
peri 49.02439655150753 4.4425e-05 deg
M 149.5964151590625 1.6886e-05 deg
tp 2458494.846708660737
(2019-Jan-11.34670866)
7.9258e-05 TDB
period 1698.136847811659
4.65
1.1498e-05
3.148e-08
d
yr
n .2119970486854 1.4354e-09 deg/d
Q 3.267827941433132 1.4751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      14107 days (38.62 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:09:19  

Additional Information
 Earth MOID = 1.31075 au 
 Jupiter MOID = 2.21877 au 
 T_jup = 3.303 
[ 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 14.33   n/a E2021B10  
diameter diameter 6.404 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19347 (1997 CH9)          Discovered 1997-Feb-01 by Spacewatch at Kitt Peak
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CH9 = 1981 UR28 = 1990 QR12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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