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 ]  
437235 (2012 XB20)
Classification: Main-belt Asteroid          SPK-ID: 2437235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237568100095466 5.8685e-08  
a 2.794373793134085 5.2636e-08 au
q 2.448551006521535 1.8059e-07 au
i 7.794579831870529 7.727e-06 deg
node 253.872478607636 5.7428e-05 deg
peri 45.71220143613892 6.9883e-05 deg
M 333.609729195769 4.0684e-05 deg
tp 2459125.573851125617
(2020-Oct-03.07385113)
0.00019423 TDB
period 1706.181294585399
4.67
4.8207e-05
1.32e-07
d
yr
n .2109975072065714 5.9616e-09 deg/d
Q 3.140196579746636 5.915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4191 days (11.47 yr)  
   first obs. used      2007-10-11  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58634  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:06:39  

Additional Information
 Earth MOID = 1.44029 au 
 Jupiter MOID = 2.05369 au 
 T_jup = 3.303 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222717598673155 5.8802e-08  
q 2.451478291567798 1.8062e-07 au
tp 2457422.014160371397
(2016-Feb-03.51416037)
0.0001822 TDB
node 253.8833206249688 5.7425e-05 deg
peri 46.09053248037517 7.0152e-05 deg
i 7.79485372015581 7.7289e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4191 days (11.47 yr)  
   first obs. used      2007-10-11  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58634  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:06:39  

Additional Information
 Jupiter MOID = 2.05369 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.457692572945283E-15 -1.027903153171662E-14 9.769229958138851E-13 8.439629806950362E-16 3.455402207949846E-13 -5.529244323060338E-15
q -1.027903153171662E-14 3.262411411434848E-14 -1.303460185411006E-12 -9.395197943102334E-15 -7.751008271765494E-13 2.079429529191476E-14
tp 9.769229958138851E-13 -1.303460185411006E-12 3.31954644324339E-8 7.159473613718987E-11 7.395837550313224E-9 -2.039484270863891E-11
node 8.439629806950362E-16 -9.395197943102334E-15 7.159473613718987E-11 3.297609726119615E-9 -3.249856256402702E-9 -1.372536073129993E-10
peri 3.455402207949846E-13 -7.751008271765494E-13 7.395837550313224E-9 -3.249856256402702E-9 4.92136500102078E-9 1.309030480920046E-10
i -5.529244323060338E-15 2.079429529191476E-14 -2.039484270863891E-11 -1.372536073129993E-10 1.309030480920046E-10 5.973616145313421E-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 16.5   n/a MPO472425  

437235 (2012 XB20)          Discovered 2007-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-01 19:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin