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 ]  
160656 (1999 XU116)
Classification: Main-belt Asteroid          SPK-ID: 2160656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2915671860078084 4.8776e-08  
a 2.59177322890575 1.057e-08 au
q 1.836097201783329 1.2208e-07 au
i 3.45482870392402 5.4274e-06 deg
node 288.1903643351108 8.4861e-05 deg
peri 105.623365967537 8.5497e-05 deg
M 28.95527205067807 1.1108e-05 deg
tp 2459077.920152915311
(2020-Aug-16.42015292)
4.6614e-05 TDB
period 1524.031439706498
4.17
9.3233e-06
2.553e-08
d
yr
n .2362155993772214 1.4451e-09 deg/d
Q 3.347449256028171 1.3652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1999-10-21  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:44  

Additional Information
 Earth MOID = .845174 au 
 Jupiter MOID = 2.11748 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456656.5 (2013-Dec-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .295164155384968 4.9419e-08  
q 1.824592872752995 1.2425e-07 au
tp 2456029.839740050047
(2012-Apr-12.33974005)
3.7586e-05 TDB
node 288.5193309837937 8.5374e-05 deg
peri 104.8995912392501 8.595e-05 deg
i 3.445948355780074 5.4183e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1999-10-21  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:44  

Additional Information
 Jupiter MOID = 2.11748 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.442240525470679E-15 -6.133276863657867E-15 1.61532721565616E-13 -7.513880518219741E-15 -1.040716477161445E-14 -2.537552487403865E-15
q -6.133276863657867E-15 1.543839042076496E-14 -3.549192016700929E-13 2.103289566466936E-14 3.860687350258965E-14 6.678044765604081E-15
tp 1.61532721565616E-13 -3.549192016700929E-13 1.41272135044717E-9 -1.490838592239635E-11 3.975674259104727E-10 1.77782419154754E-13
node -7.513880518219741E-15 2.103289566466936E-14 -1.490838592239635E-11 7.28864288903723E-9 -7.27819662595806E-9 5.927207123225657E-11
peri -1.040716477161445E-14 3.860687350258965E-14 3.975674259104727E-10 -7.27819662595806E-9 7.387393017208814E-9 -5.901458169740466E-11
i -2.537552487403865E-15 6.678044765604081E-15 1.77782419154754E-13 5.927207123225657E-11 -5.901458169740466E-11 2.935751121017335E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.59   n/a E2021B55  

160656 (1999 XU116)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-18 12:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin