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 ]  
129744 (1999 CP108)
Classification: Main-belt Asteroid          SPK-ID: 2129744
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025045062395155 3.6243e-08  
a 2.197564483351583 8.5123e-09 au
q 1.972304221056133 8.3215e-08 au
i 6.073980306726829 3.3752e-06 deg
node 263.8258602610771 4.2064e-05 deg
peri 178.3367995363417 4.9126e-05 deg
M 244.442442901336 2.6002e-05 deg
tp 2459382.450180455405
(2021-Jun-16.95018046)
8.7067e-05 TDB
period 1189.901105702202
3.26
6.9136e-06
1.893e-08
d
yr
n .3025461513354519 1.7579e-09 deg/d
Q 2.422824745647033 9.3848e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1050  
   data-arc span      7957 days (21.79 yr)  
   first obs. used      1999-01-18  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:46:42  

Additional Information
 Earth MOID = .988231 au 
 Jupiter MOID = 2.75981 au 
 T_jup = 3.653 
[ 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 15.8   n/a MPO436628  
diameter diameter 2.135 km 0.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.268   0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129744 (1999 CP108)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 CP108 = 2001 XQ156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 02:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin