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JPL Small-Body Database Browser
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442651 (2012 TR132)
Classification: Main-belt Asteroid          SPK-ID: 2442651
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724967702073034 1.264e-07  
a 2.183582822455698 3.0852e-08 au
q 1.806921838101943 2.8751e-07 au
i 8.64457457310141 2.315e-05 deg
node 308.2519557561291 5.597e-05 deg
peri 63.48333770172287 7.9736e-05 deg
M 2.216001151341217 6.2031e-05 deg
tp 2458593.245284070390
(2019-Apr-19.74528407)
0.000203 TDB
period 1178.563347351584
3.23
2.4978e-05
6.839e-08
d
yr
n .3054566399073722 6.4737e-09 deg/d
Q 2.560243806809454 3.6174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      5840 days (15.99 yr)  
   first obs. used      2001-02-22  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62238  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:26:36  

Additional Information
 Earth MOID = .823864 au 
 Jupiter MOID = 2.94716 au 
 T_jup = 3.645 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456745.5 (2014-Mar-29.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1732559731285516 1.2709e-07  
q 1.804978601852543 2.8933e-07 au
tp 2456235.461540581419
(2012-Nov-03.96154058)
0.00018229 TDB
node 308.3555758016278 5.594e-05 deg
peri 63.19441901349337 7.9394e-05 deg
i 8.646917586182182 2.3157e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      5840 days (15.99 yr)  
   first obs. used      2001-02-22  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62238  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:26:36  

Additional Information
 Jupiter MOID = 2.94716 au 
 T_jup = 3.645 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.615147788951932E-14 -3.665105093561952E-14 -1.67899340792616E-11 -2.099351124864845E-14 -5.060864845238266E-12 -9.368174288602779E-14
q -3.665105093561952E-14 8.370955935204164E-14 3.78914696476506E-11 4.438749761647742E-14 1.149551485803263E-11 2.151122263579992E-13
tp -1.67899340792616E-11 3.78914696476506E-11 3.32289629325553E-8 4.110670685507621E-12 1.027038604524605E-8 9.529917344272417E-11
node -2.099351124864845E-14 4.438749761647742E-14 4.110670685507621E-12 3.129276994501638E-9 -3.091597313801064E-9 3.199611676163899E-10
peri -5.060864845238266E-12 1.149551485803263E-11 1.027038604524605E-8 -3.091597313801064E-9 6.303404122654009E-9 -2.874174030917589E-10
i -9.368174288602779E-14 2.151122263579992E-13 9.529917344272417E-11 3.199611676163899E-10 -2.874174030917589E-10 5.362600709716352E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO243813  

442651 (2012 TR132)          Discovered 2004-Jan-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 TR132 = 2009 VR79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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