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243158 (2007 TG68)
Classification: Main-belt Asteroid          SPK-ID: 2243158
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893215886739101 5.7373e-08  
a 2.292599500578205 1.3911e-08 au
q 1.858560920935726 1.3255e-07 au
i 2.264762059292945 4.509e-06 deg
node 230.9009250951698 0.00015633 deg
peri 74.60166682171489 0.00015682 deg
M 184.0027322006474 1.162e-05 deg
tp 2459220.360756749316
(2021-Jan-05.86075675)
4.2113e-05 TDB
period 1267.916685412173
3.47
1.154e-05
3.159e-08
d
yr
n .2839303277115339 2.5843e-09 deg/d
Q 2.726638080220684 1.6545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1993-09-16  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:39:36  

Additional Information
 Earth MOID = .844307 au 
 Jupiter MOID = 2.51267 au 
 T_jup = 3.572 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900356669490012 5.756e-08  
q 1.856588948699984 1.3305e-07 au
tp 2456683.358479409911
(2014-Jan-25.85847941)
4.1569e-05 TDB
node 231.037584253937 0.00015657 deg
peri 74.25070110761065 0.00015705 deg
i 2.262731026825656 4.5075e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1993-09-16  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:39:36  

Additional Information
 Jupiter MOID = 2.51267 au 
 T_jup = 3.572 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.313105654856943E-15 -7.631137592469117E-15 8.726933139433116E-14 3.216590238029736E-14 -8.423963823049551E-14 -5.709416715754758E-15
q -7.631137592469117E-15 1.770217155894985E-14 -3.222243659413093E-13 -7.021584544797895E-14 1.683445584094805E-13 1.333404233446834E-14
tp 8.726933139433116E-14 -3.222243659413093E-13 1.727985214432525E-9 9.523173086123369E-12 5.416024184300249E-10 -1.74244073471364E-13
node 3.216590238029736E-14 -7.021584544797895E-14 9.523173086123369E-12 2.451366116500657E-8 -2.449170454153823E-8 2.653987448210846E-11
peri -8.423963823049551E-14 1.683445584094805E-13 5.416024184300249E-10 -2.449170454153823E-8 2.466383881513216E-8 -2.64552057250907E-11
i -5.709416715754758E-15 1.333404233446834E-14 -1.74244073471364E-13 2.653987448210846E-11 -2.64552057250907E-11 2.031752421938153E-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 17.3   n/a MPO427389  
diameter diameter 1.765 km 0.467 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243158 (2007 TG68)          Discovered 2007-Oct-11 by Calvin College at Calvin-Rehoboth
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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