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 ]  
160648 (1999 XC71)
Classification: Main-belt Asteroid          SPK-ID: 2160648
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0900712176493727 4.3995e-08  
a 2.734452099704652 1.9587e-08 au
q 2.48815666948037 1.286e-07 au
i 6.624283175266933 5.7202e-06 deg
node 230.90057802794 3.7197e-05 deg
peri 118.9198129482622 4.8614e-05 deg
M 266.495120006466 3.2662e-05 deg
tp 2459429.478655200135
(2021-Aug-02.97865520)
0.0001516 TDB
period 1651.596321846813
4.52
1.7746e-05
4.859e-08
d
yr
n .2179709383207201 2.342e-09 deg/d
Q 2.980747529928934 2.1352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      9365 days (25.64 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:08:18  

Additional Information
 Earth MOID = 1.49094 au 
 Jupiter MOID = 2.38825 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457279.5 (2015-Sep-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08952288063306901 4.4042e-08  
q 2.489076667653658 1.2853e-07 au
tp 2457781.518127961338
(2017-Jan-28.01812796)
0.00014648 TDB
node 230.9131498729948 3.7189e-05 deg
peri 119.6773708137618 4.8728e-05 deg
i 6.625092004655649 5.7211e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      9365 days (25.64 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:08:18  

Additional Information
 Jupiter MOID = 2.38825 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.939692100026769E-15 -5.614357398092861E-15 2.555953735285734E-13 -3.146670607265099E-15 1.148127704818671E-13 -6.864947270966874E-16
q -5.614357398092861E-15 1.652031442960351E-14 4.109158476097331E-14 8.115972280615307E-15 -1.825519119157188E-13 2.912709958645404E-15
tp 2.555953735285734E-13 4.109158476097331E-14 2.145562417631674E-8 -1.947081303125946E-11 4.620681576106933E-9 4.467419818398878E-13
node -3.146670607265099E-15 8.115972280615307E-15 -1.947081303125946E-11 1.383034481755832E-9 -1.377759307356671E-9 1.677421892036981E-11
peri 1.148127704818671E-13 -1.825519119157188E-13 4.620681576106933E-9 -1.377759307356671E-9 2.374431004555221E-9 -1.655360751604002E-11
i -6.864947270966874E-16 2.912709958645404E-15 4.467419818398878E-13 1.677421892036981E-11 -1.655360751604002E-11 3.2730553437528E-11

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 15.5   n/a MPO433027  
diameter diameter 5.482 km 0.427 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160648 (1999 XC71)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1999 XC71 = 2003 ST105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 00:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin