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312144 (2007 TW373)
Classification: Main-belt Asteroid          SPK-ID: 2312144
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203163163617324 6.4569e-08  
a 2.743425212616882 2.5263e-08 au
q 2.186062267274106 1.8272e-07 au
i 6.84278660708344 7.5593e-06 deg
node 334.4651799518908 4.8399e-05 deg
peri 64.78379780500015 5.2283e-05 deg
M 272.6230368504087 1.9476e-05 deg
tp 2459403.339975489646
(2021-Jul-07.83997549)
9.2519e-05 TDB
period 1659.732565069706
4.54
2.2925e-05
6.277e-08
d
yr
n .2169024140252864 2.996e-09 deg/d
Q 3.300788157959657 3.0395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6581 days (18.02 yr)  
   first obs. used      2002-08-08  
   last obs. used      2020-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:29  

Additional Information
 Earth MOID = 1.20385 au 
 Jupiter MOID = 2.19176 au 
 T_jup = 3.308 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457710.5 (2016-Nov-18.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2061529229561506 6.4982e-08  
q 2.174598717061335 1.8422e-07 au
tp 2457745.957894761595
(2016-Dec-23.45789476)
8.1077e-05 TDB
node 334.6777254220355 4.8484e-05 deg
peri 64.65218307993402 5.218e-05 deg
i 6.842010626215353 7.5562e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6581 days (18.02 yr)  
   first obs. used      2002-08-08  
   last obs. used      2020-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:29  

Additional Information
 Jupiter MOID = 2.19176 au 
 T_jup = 3.308 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.222611122602247E-15 -1.190622354831713E-14 -7.350330859439739E-13 6.78324818211354E-14 1.270774674500985E-14 -1.267550561337776E-14
q -1.190622354831713E-14 3.393760386257245E-14 2.464094200670037E-12 -1.910869982128978E-13 4.856236951251353E-14 3.772624665620936E-14
tp -7.350330859439739E-13 2.464094200670037E-12 6.573491410473339E-9 -4.028377366006602E-12 1.577055799819832E-9 1.754398208190916E-11
node 6.78324818211354E-14 -1.910869982128978E-13 -4.028377366006602E-12 2.350694904733025E-9 -2.32954181371079E-9 -3.615012375017342E-11
peri 1.270774674500985E-14 4.856236951251353E-14 1.577055799819832E-9 -2.32954181371079E-9 2.722715040921032E-9 3.936379940739265E-11
i -1.267550561337776E-14 3.772624665620936E-14 1.754398208190916E-11 -3.615012375017342E-11 3.936379940739265E-11 5.709545737953336E-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 17.0   n/a MPO437378  

312144 (2007 TW373)          Discovered 2007-Oct-14 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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