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295685 (2008 TX118)
Classification: Main-belt Asteroid          SPK-ID: 2295685
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07668555331644746 5.8616e-08  
a 2.73943377437367 2.9732e-08 au
q 2.529358779612061 1.5807e-07 au
i 2.032056962956577 6.2025e-06 deg
node 309.3942318614356 0.00019093 deg
peri 111.7379692111061 0.00019668 deg
M 158.9336746625998 4.7562e-05 deg
tp 2458269.355765626616
(2018-May-30.85576563)
0.00021409 TDB
period 1656.111739272314
4.53
2.6961e-05
7.382e-08
d
yr
n .2173766367710079 3.5389e-09 deg/d
Q 2.949508769135278 3.2012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      7004 days (19.18 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:44:04  

Additional Information
 Earth MOID = 1.54295 au 
 Jupiter MOID = 2.27914 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457724.5 (2016-Dec-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0769538144000476 5.8504e-08  
q 2.528973049548291 1.5773e-07 au
tp 2458272.037821102354
(2018-Jun-02.53782110)
0.0002136 TDB
node 309.4147623099776 0.00019093 deg
peri 112.3822429891345 0.00019665 deg
i 2.032032251877718 6.2025e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      7004 days (19.18 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:44:04  

Additional Information
 Jupiter MOID = 2.27914 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.422660774287361E-15 -9.091562328894546E-15 -1.33551978961631E-12 -9.323979074204379E-15 -3.924824453616212E-13 5.42784176706517E-16
q -9.091562328894546E-15 2.487879114290361E-14 5.795190509156105E-12 1.895413342236647E-14 1.494744687207851E-12 -1.093131287755272E-15
tp -1.33551978961631E-12 5.795190509156105E-12 4.562600587403176E-8 -1.069438848803446E-10 1.01049364646576E-8 -3.034884868263344E-13
node -9.323979074204379E-15 1.895413342236647E-14 -1.069438848803446E-10 3.645478606108289E-8 -3.645451469003037E-8 1.94898659916551E-10
peri -3.924824453616212E-13 1.494744687207851E-12 1.01049364646576E-8 -3.645451469003037E-8 3.867249300865672E-8 -1.948803733570445E-10
i 5.42784176706517E-16 -1.093131287755272E-15 -3.034884868263344E-13 1.94898659916551E-10 -1.948803733570445E-10 3.847038893114232E-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 16.8   n/a MPO245671  

295685 (2008 TX118)          Discovered 2008-Oct-07 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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