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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729255148840869 4.8573e-08  
a 2.786093516749776 1.2567e-08 au
q 2.304306860850604 1.3508e-07 au
i 5.34256419692879 6.5943e-06 deg
node 339.0322804932056 4.0235e-05 deg
peri 49.0607303760419 4.4501e-05 deg
M 107.1746395094446 1.6885e-05 deg
tp 2458494.813345947931
(2019-Jan-11.31334595)
7.9411e-05 TDB
period 1698.603291711584
4.65
1.1492e-05
3.146e-08
d
yr
n .2119388333677658 1.4339e-09 deg/d
Q 3.267880172648947 1.474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      14058 days (38.49 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:00:13  

Additional Information
 Earth MOID = 1.31296 au 
 Jupiter MOID = 2.21752 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 14.3   n/a MPO365484  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-Feb-26 17:16 00:24 Amphi 0.0496241678076022 0.0496088469595448 0.0496394887448256 1.54569888887262 1.54569881392551 2424573.219599408 24.1279819087426 765.743672645795 58.9198988933123 -6.89185877023579 17860.5373803058 T 19 CATAB v2.0f-lin.ifort 2020-May-20 05:00:25 2020-May-20 05:00
2126-May-07 05:57 00:22 Amphi 0.0233013862164881 0.0232830715640895 0.0233197158151592 1.81722168818753 1.81722155242392 2497691.747592122 21.6662352543069 1301.62467297134 63.3333713184732 -45.6612026043849 39311.7627176307 T 19 CATAB v2.0f-lin.ifort 2020-May-20 05:00:25 2020-May-20 05:00

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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