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160050 (1999 TW242)
Classification: Main-belt Asteroid          SPK-ID: 2160050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2597613900633843 4.6708e-08  
a 2.600896925424593 1.0037e-08 au
q 1.925284324664718 1.1748e-07 au
i 6.655434923590017 3.3792e-06 deg
node 138.7107813949017 5.8994e-05 deg
peri 216.6196972177788 6.0359e-05 deg
M 42.7067692778901 1.3927e-05 deg
tp 2459018.748770779096
(2020-Jun-18.24877078)
5.8684e-05 TDB
period 1532.085981352834
4.19
8.8686e-06
2.428e-08
d
yr
n .2349737575968938 1.3602e-09 deg/d
Q 3.276509526184467 1.2644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      7797 days (21.35 yr)  
   first obs. used      1999-10-04  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:59:42  

Additional Information
 Earth MOID = .923256 au 
 Jupiter MOID = 2.17505 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458119.5 (2018-Jan-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2613765156642286 4.7026e-08  
q 1.919925099925167 1.1852e-07 au
tp 2457487.781814030160
(2016-Apr-09.28181403)
5.4058e-05 TDB
node 138.7988006540892 5.9056e-05 deg
peri 216.6783490659051 6.0401e-05 deg
i 6.654334333517501 3.3773e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      7797 days (21.35 yr)  
   first obs. used      1999-10-04  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:59:42  

Additional Information
 Jupiter MOID = 2.17505 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.211428808262314E-15 -5.566228666669475E-15 1.814127458858913E-12 4.962398662989658E-14 4.377773712441298E-13 -7.588617712327694E-15
q -5.566228666669475E-15 1.404771360967326E-14 -4.557457085489056E-12 -1.222452539834841E-13 -1.097749564394613E-12 1.908167543137534E-14
tp 1.814127458858913E-12 -4.557457085489056E-12 2.922235599249192E-9 5.063185616181156E-11 7.603952255991643E-10 -9.264454419498668E-12
node 4.962398662989658E-14 -1.222452539834841E-13 5.063185616181156E-11 3.487630719165637E-9 -3.450153664333743E-9 -3.994628950067538E-11
peri 4.377773712441298E-13 -1.097749564394613E-12 7.603952255991643E-10 -3.450153664333743E-9 3.648253232425191E-9 3.710191834985487E-11
i -7.588617712327694E-15 1.908167543137534E-14 -9.264454419498668E-12 -3.994628950067538E-11 3.710191834985487E-11 1.140583489666319E-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 16.47   n/a MPCxxxxx  

160050 (1999 TW242)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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