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 ]  
390258 (2012 XZ129)
Classification: Main-belt Asteroid          SPK-ID: 2390258
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073360028196244 1.1166e-07  
a 3.192397218339818 6.0202e-08 au
q 2.849738061510734 3.519e-07 au
i 5.074277350702169 1.2591e-05 deg
node 13.66596826671079 9.1527e-05 deg
peri 129.8466053800727 0.00010612 deg
M 53.81948042334829 5.9928e-05 deg
tp 2458689.033880271844
(2019-Jul-24.53388027)
0.00034131 TDB
period 2083.405529375795
5.70
5.8933e-05
1.613e-07
d
yr
n .1727940119789635 4.8878e-09 deg/d
Q 3.535056375168902 6.6663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      6196 days (16.96 yr)  
   first obs. used      2000-11-26  
   last obs. used      2017-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:59:05  

Additional Information
 Earth MOID = 1.86534 au 
 Jupiter MOID = 1.4774 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456671.5 (2014-Jan-14.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090112233229692 1.1117e-07  
q 2.844261983533911 3.5109e-07 au
tp 2456602.198536564529
(2013-Nov-05.69853656)
0.00030489 TDB
node 13.69889893510818 9.1524e-05 deg
peri 129.4339545075949 0.00010583 deg
i 5.075191017302203 1.2591e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      6196 days (16.96 yr)  
   first obs. used      2000-11-26  
   last obs. used      2017-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:59:05  

Additional Information
 Jupiter MOID = 1.4774 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.235883326916854E-14 -3.858055724716286E-14 1.221060786606836E-11 -5.668098693355101E-14 2.61989664782205E-12 9.19480076255301E-15
q -3.858055724716286E-14 1.232630609088705E-13 -3.081624982580233E-11 1.68916391472219E-13 -6.975464044254065E-12 -2.375197390351863E-14
tp 1.221060786606836E-11 -3.081624982580233E-11 9.295804119965195E-8 -2.187219620928612E-10 1.620240405468105E-8 3.305997215841544E-11
node -5.668098693355101E-14 1.68916391472219E-13 -2.187219620928612E-10 8.376692088467015E-9 -8.381309262647073E-9 -2.05594424937028E-10
peri 2.61989664782205E-12 -6.975464044254065E-12 1.620240405468105E-8 -8.381309262647073E-9 1.120032318248837E-8 2.109317728070712E-10
i 9.19480076255301E-15 -2.375197390351863E-14 3.305997215841544E-11 -2.05594424937028E-10 2.109317728070712E-10 1.585425136101719E-10

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 16.3   n/a MPO427945  

390258 (2012 XZ129)          Discovered 2006-Oct-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XZ129 = 2011 SO269 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-20 21:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin