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437039 (2012 TR312)
Classification: Main-belt Asteroid          SPK-ID: 2437039
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 .1102020854823462 1.7604e-07  
a 3.104260220462259 9.4052e-08 au
q 2.76216427028743 6.0896e-07 au
i 11.6803517406475 1.0737e-05 deg
node 44.55383952252522 5.729e-05 deg
peri 327.1229431273561 8.3113e-05 deg
M 154.6821960394252 6.4018e-05 deg
tp 2458142.132165965121
(2018-Jan-23.63216597)
0.0003295 TDB
period 1997.724548556291
5.47
9.079e-05
2.486e-07
d
yr
n .180205023890888 8.1897e-09 deg/d
Q 3.446356170637087 1.0442e-07 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      4431 days (12.13 yr)  
   first obs. used      2007-12-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:07:30  

Additional Information
 Earth MOID = 1.77197 au 
 Jupiter MOID = 2.02889 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457132.5 (2015-Apr-20.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089749940263452 1.7485e-07  
q 2.766366883864374 6.034e-07 au
tp 2456146.624863581186
(2012-Aug-07.12486358)
0.00029021 TDB
node 44.57903018253042 5.7287e-05 deg
peri 327.6288542305601 8.4137e-05 deg
i 11.67969425363168 1.0736e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      4431 days (12.13 yr)  
   first obs. used      2007-12-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:07:30  

Additional Information
 Jupiter MOID = 2.02889 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.057110151948853E-14 -1.050062540066003E-13 -3.034547661971256E-11 -2.684706332570464E-13 -7.366600467047191E-12 -3.460742362255764E-14
q -1.050062540066003E-13 3.640900574850254E-13 1.039854252012196E-10 9.235719359684323E-13 2.559258994820836E-11 1.28714371839271E-13
tp -3.034547661971256E-11 1.039854252012196E-10 8.422466939202039E-8 4.561898533132121E-10 1.79148270369031E-8 1.111617090301859E-11
node -2.684706332570464E-13 9.235719359684323E-13 4.561898533132121E-10 3.281791551982818E-9 -3.108268406898419E-9 -2.913349032597049E-10
peri -7.366600467047191E-12 2.559258994820836E-11 1.79148270369031E-8 -3.108268406898419E-9 7.079076309228998E-9 2.90332942181147E-10
i -3.460742362255764E-14 1.28714371839271E-13 1.111617090301859E-11 -2.913349032597049E-10 2.90332942181147E-10 1.152602364950564E-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 16.0   n/a E2014D42  

437039 (2012 TR312)          Discovered 2007-Dec-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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