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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
97204 (1999 XC20)
Classification: Main-belt Asteroid          SPK-ID: 2097204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006686802735567 4.6623e-08  
a 2.734696649948583 1.9843e-08 au
q 2.459398347249743 1.2847e-07 au
i 10.64534558220073 6.8465e-06 deg
node 58.00274064860936 3.1188e-05 deg
peri 27.03687448706858 4.8796e-05 deg
M 69.30431124723849 3.679e-05 deg
tp 2458282.505274981151
(2018-Jun-13.00527498)
0.00016871 TDB
period 1651.817887611533
4.52
1.7978e-05
4.922e-08
d
yr
n .2179417008981217 2.3721e-09 deg/d
Q 3.009994952647423 2.1841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      1999-10-07  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:10  

Additional Information
 Earth MOID = 1.47975 au 
 Jupiter MOID = 2.25285 au 
 T_jup = 3.320 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO436449  
diameter diameter 2.782 km 0.540 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97204 (1999 XC20)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-17 17:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin