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 ]  
71170 (1999 XE206)
Classification: Main-belt Asteroid          SPK-ID: 2071170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07583455089551333 4.4465e-08  
a 3.063247478037056 2.7089e-08 au
q 2.830947481258302 1.3878e-07 au
i 11.24389046299469 6.1908e-06 deg
node 53.25093137042158 2.7175e-05 deg
peri 77.20744915094461 5.2338e-05 deg
M 199.3956174667389 4.4438e-05 deg
tp 2459474.127799326492
(2021-Sep-16.62779933)
0.00024535 TDB
period 1958.265414658924
5.36
2.5976e-05
7.112e-08
d
yr
n .1838361630171067 2.4386e-09 deg/d
Q 3.29554747481581 2.9143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:24:56  

Additional Information
 Earth MOID = 1.87347 au 
 Jupiter MOID = 1.83769 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07309062142533179 4.5313e-08  
q 2.841081142648556 1.4104e-07 au
tp 2457519.554953015666
(2016-May-11.05495302)
0.00024523 TDB
node 53.31738661666062 2.7224e-05 deg
peri 78.12798543482758 5.3403e-05 deg
i 11.23231573927141 6.1853e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:24:56  

Additional Information
 Jupiter MOID = 1.83769 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.053256872555311E-15 -6.288474977832357E-15 3.026327509680489E-12 1.00325429078577E-14 5.991735217332802E-13 -1.525133969223412E-15
q -6.288474977832357E-15 1.989174683273406E-14 -7.934093237979138E-12 -3.814074797526482E-14 -1.616500751570639E-12 7.712305541950051E-15
tp 3.026327509680489E-12 -7.934093237979138E-12 6.013727088684249E-8 -7.533737446866528E-11 1.129785599250208E-8 1.957807879862431E-11
node 1.00325429078577E-14 -3.814074797526482E-14 -7.533737446866528E-11 7.411485314783244E-10 -7.401763513320381E-10 -5.506101430748479E-11
peri 5.991735217332802E-13 -1.616500751570639E-12 1.129785599250208E-8 -7.401763513320381E-10 2.851932842748461E-9 5.747162725561642E-11
i -1.525133969223412E-15 7.712305541950051E-15 1.957807879862431E-11 -5.506101430748479E-11 5.747162725561642E-11 3.825809448548212E-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 14.2   n/a MPO366066  
diameter diameter 5.235 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71170 (1999 XE206)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XE206 = 1998 SD65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin