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295688 (2008 TO128)
Classification: Main-belt Asteroid          SPK-ID: 2295688
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740706932402546 6.6524e-08  
a 3.093999129611086 2.8605e-08 au
q 2.55542455623494 2.1115e-07 au
i 2.453380447698606 5.8061e-06 deg
node 105.2451259686786 0.00018138 deg
peri 288.9001559605407 0.00018247 deg
M 32.58946654954575 1.7359e-05 deg
tp 2458820.549333913365
(2019-Dec-03.04933391)
9.5457e-05 TDB
period 1987.827560561637
5.44
2.7568e-05
7.548e-08
d
yr
n .1811022279509427 2.5116e-09 deg/d
Q 3.632573702987232 3.3585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      5848 days (16.01 yr)  
   first obs. used      2003-11-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:21  

Additional Information
 Earth MOID = 1.56329 au 
 Jupiter MOID = 1.8021 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457241.5 (2015-Aug-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691159247223166 6.5336e-08  
q 2.574777820373201 2.0521e-07 au
tp 2456820.113903931749
(2014-Jun-11.61390393)
0.00010331 TDB
node 105.5265405956645 0.00018085 deg
peri 287.2661315610241 0.00018211 deg
i 2.45372864575042 5.8053e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      5848 days (16.01 yr)  
   first obs. used      2003-11-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:21  

Additional Information
 Jupiter MOID = 1.8021 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.26880403283603E-15 -1.33174171883844E-14 -6.311572598513557E-13 -2.214079169020193E-14 -1.344193562004722E-13 -2.934859634518684E-15
q -1.33174171883844E-14 4.210915910502314E-14 1.679742889669317E-12 7.434688628778837E-14 3.880271569113526E-13 9.768086638080545E-15
tp -6.311572598513557E-13 1.679742889669317E-12 1.06728222243721E-8 -5.738182312605669E-11 2.303188629752154E-9 1.665170133317113E-12
node -2.214079169020193E-14 7.434688628778837E-14 -5.738182312605669E-11 3.270825646913419E-8 -3.268880082944448E-8 -1.616106836153049E-10
peri -1.344193562004722E-13 3.880271569113526E-13 2.303188629752154E-9 -3.268880082944448E-8 3.316451235641417E-8 1.617957025852723E-10
i -2.934859634518684E-15 9.768086638080545E-15 1.665170133317113E-12 -1.616106836153049E-10 1.617957025852723E-10 3.370135925403001E-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 16.3   n/a MPO494582  

295688 (2008 TO128)          Discovered 2008-Oct-08 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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