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 ]  
101709 (1999 CF157)
Classification: Main-belt Asteroid          SPK-ID: 2101709
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245254974617053 4.8699e-08  
a 2.535887856160107 1.4648e-08 au
q 1.966516373748662 1.2374e-07 au
i 5.014465448297285 7.7178e-06 deg
node 336.2665631998743 5.0644e-05 deg
peri 90.30486663447736 5.5141e-05 deg
M 165.6997307709175 2.3198e-05 deg
tp 2458321.589079007291
(2018-Jul-22.08907901)
9.2966e-05 TDB
period 1475.005001035718
4.04
1.278e-05
3.499e-08
d
yr
n .2440669690931322 2.1147e-09 deg/d
Q 3.105259338571552 1.7937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7806 days (21.37 yr)  
   first obs. used      1999-02-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:56  

Additional Information
 Earth MOID = .987897 au 
 Jupiter MOID = 2.23878 au 
 T_jup = 3.407 
[ 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 16.6   n/a MPO469023  

101709 (1999 CF157)          Discovered 1999-Feb-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 CF157 = 2001 SF181 
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 23:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin