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3797 Ching-Sung Yu (1987 YL)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003797
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 .1382439314491495 3.2958e-08  
a 3.230363891877356 1.9433e-08 au
q 2.783785687452855 1.0732e-07 au
i .8424615086327356 4.2802e-06 deg
node 179.6788071858769 0.00026439 deg
peri 265.1691461847604 0.00026496 deg
M 220.3789933522134 1.9551e-05 deg
tp 2459822.977188893707
(2022-Aug-31.47718889)
0.00011779 TDB
period 2120.682231927085
5.81
1.9136e-05
5.239e-08
d
yr
n .1697566917759595 1.5318e-09 deg/d
Q 3.676942096301857 2.212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1691  
   data-arc span      22532 days (61.69 yr)  
   first obs. used      1958-10-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:01:56  

Additional Information
 Earth MOID = 1.80012 au 
 Jupiter MOID = 1.54245 au 
 T_jup = 3.171 
[ 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 12.9   n/a MPO347552  
diameter diameter 11.687 km 1.803 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.098   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3797 Ching-Sung Yu (1987 YL)          Discovered 1987-Dec-22 by Oak Ridge Observatory at Oak Ridge
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 YL = 1958 TE = 1964 WQ = 1981 UF3 = 1981 WL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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