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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727053185268217 8.106e-08  
a 2.18368862565676 2.1684e-08 au
q 1.806553985999312 1.7263e-07 au
i 8.645280547475931 1.7568e-05 deg
node 308.2486951388252 4.4123e-05 deg
peri 63.47239245769921 6.7851e-05 deg
M 124.3852569385649 4.8945e-05 deg
tp 2458593.259556576291
(2019-Apr-19.75955658)
0.00015966 TDB
period 1178.649007453878
3.23
1.7556e-05
4.807e-08
d
yr
n .305434440383294 4.5494e-09 deg/d
Q 2.560823265314208 2.5429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      6916 days (18.93 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:25  

Additional Information
 Earth MOID = .824329 au 
 Jupiter MOID = 2.95021 au 
 T_jup = 3.644 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457647.5 (2016-Sep-16.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173082088236483 8.1916e-08  
q 1.805406409243086 1.7477e-07 au
tp 2457413.391105984434
(2016-Jan-25.89110598)
0.00015791 TDB
node 308.3503105095838 4.4127e-05 deg
peri 63.06808307063913 6.762e-05 deg
i 8.646592294037971 1.7568e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      6916 days (18.93 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:25  

Additional Information
 Jupiter MOID = 2.95021 au 
 T_jup = 3.644 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.710197654796352E-15 -1.42474426652291E-14 -7.887786140154873E-12 5.970276722016438E-14 -2.659381617883504E-12 9.116532835327931E-15
q -1.42474426652291E-14 3.054538250573583E-14 1.719234737056481E-11 -1.339273238267434E-13 5.797018684811441E-12 -2.153805537742475E-14
tp -7.887786140154873E-12 1.719234737056481E-11 2.493695950610687E-8 -1.632114359726754E-10 8.102922285367756E-9 -6.139993598002535E-11
node 5.970276722016438E-14 -1.339273238267434E-13 -1.632114359726754E-10 1.947226537083679E-9 -1.975359026393285E-9 -1.327774276847457E-10
peri -2.659381617883504E-12 5.797018684811441E-12 8.102922285367756E-9 -1.975359026393285E-9 4.572518291249123E-9 1.120872125084725E-10
i 9.116532835327931E-15 -2.153805537742475E-14 -6.139993598002535E-11 -1.327774276847457E-10 1.120872125084725E-10 3.086295150678993E-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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