Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387633699552718 2.2253e-08  
a 3.224139251455193 1.6274e-08 au
q 2.776746823718203 7.8343e-08 au
i .8456756191938016 5.3371e-07 deg
node 179.4109812636012 1.2426e-05 deg
peri 266.3317099154741 1.4159e-05 deg
M 253.3575927496603 7.1217e-06 deg
tp 2459826.892504492580
(2022-Sep-04.39250449)
4.3732e-05 TDB
period 2114.555620335648
5.79
1.601e-05
4.383e-08
d
yr
n .1702485366371476 1.289e-09 deg/d
Q 3.671531679192182 1.8532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1955  
   data-arc span      22713 days (62.18 yr)  
   first obs. used      1958-10-09  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:33:57  

Additional Information
 Earth MOID = 1.79283 au 
 Jupiter MOID = 1.54429 au 
 T_jup = 3.173 
[ 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 12.98   n/a E2021B10  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 15:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin