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 ]  
85920 (1999 CJ100)
Classification: Main-belt Asteroid          SPK-ID: 2085920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392081601358739 3.6939e-08  
a 2.669693824937221 1.3066e-08 au
q 2.298050659441607 1.0491e-07 au
i 12.32093752799206 3.6996e-06 deg
node 335.6281120822587 1.639e-05 deg
peri 113.6529871711342 2.3901e-05 deg
M 9.815183907975491 1.4894e-05 deg
tp 2458957.060326439478
(2020-Apr-17.56032644)
6.5969e-05 TDB
period 1593.274525307738
4.36
1.1697e-05
3.202e-08
d
yr
n .225949762129327 1.6588e-09 deg/d
Q 3.041336990432835 1.4885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      7665 days (20.99 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47848  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:41:02  

Additional Information
 Earth MOID = 1.34585 au 
 Jupiter MOID = 2.17263 au 
 T_jup = 3.335 
[ 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 14.6   n/a MPO502668  
diameter diameter 2.959 km 0.619 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85920 (1999 CJ100)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 CJ100 = 2001 QP50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 21:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin