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347436 (2012 TR109)
Classification: Main-belt Asteroid          SPK-ID: 2347436
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04396117718835069 4.0774e-08  
a 3.098970551911444 3.7581e-08 au
q 2.962736158377384 1.2637e-07 au
i 9.145165683687541 5.0833e-06 deg
node 255.1432084331474 3.8159e-05 deg
peri 211.0355572767627 9.9626e-05 deg
M 64.36821210529439 8.8798e-05 deg
tp 2458644.218274925733
(2019-Jun-09.71827493)
0.00049227 TDB
period 1992.620531651933
5.46
3.6247e-05
9.924e-08
d
yr
n .1806666117715604 3.2864e-09 deg/d
Q 3.235204945445504 3.9233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2001-09-24  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:27:06  

Additional Information
 Earth MOID = 1.98362 au 
 Jupiter MOID = 1.94434 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457597.5 (2016-Jul-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04483984579890646 4.0875e-08  
q 2.959673077651549 1.2686e-07 au
tp 2456656.669829872655
(2013-Dec-30.16982987)
0.00048757 TDB
node 255.1657676146803 3.816e-05 deg
peri 212.040102938099 9.7888e-05 deg
i 9.145473209101992 5.0835e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2001-09-24  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:27:06  

Additional Information
 Jupiter MOID = 1.94434 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.670789703255037E-15 -4.979306506473213E-15 1.717835800671191E-12 4.491578845292165E-15 3.464456078347428E-13 -5.023296759722525E-17
q -4.979306506473213E-15 1.609231004592913E-14 -8.779074830600605E-12 -1.574183387228577E-14 -1.600133268736774E-12 1.761940672745072E-15
tp 1.717835800671191E-12 -8.779074830600605E-12 2.377248657533633E-7 -1.715275678750177E-11 4.398352362921424E-8 -7.125990195507085E-12
node 4.491578845292165E-15 -1.574183387228577E-14 -1.715275678750177E-11 1.456156338390428E-9 -1.440894516381111E-9 -4.901858594535623E-11
peri 3.464456078347428E-13 -1.600133268736774E-12 4.398352362921424E-8 -1.440894516381111E-9 9.582144176807777E-9 4.724125381561119E-11
i -5.023296759722525E-17 1.761940672745072E-15 -7.125990195507085E-12 -4.901858594535623E-11 4.724125381561119E-11 2.584212428759785E-11

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 15.5   n/a MPO427782  

347436 (2012 TR109)          Discovered 2007-Oct-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2012 TR109 = 2007 VA244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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