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357287 (2002 TF172)
Classification: Main-belt Asteroid          SPK-ID: 2357287
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497912851716465 2.0639e-07  
a 2.62706202100491 2.3988e-08 au
q 2.233551024652962 5.3758e-07 au
i 32.89723168943674 1.6252e-05 deg
node 355.1489396910879 1.056e-05 deg
peri 348.3927091213453 2.6713e-05 deg
M 340.4132495980613 2.1705e-05 deg
tp 2458685.118204151855
(2019-Jul-20.61820415)
9.3665e-05 TDB
period 1555.26327081049
4.26
2.1302e-05
5.832e-08
d
yr
n .2314720644128594 3.1705e-09 deg/d
Q 3.020573017356859 2.7582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6268 days (17.16 yr)  
   first obs. used      2002-09-06  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:21:26  

Additional Information
 Earth MOID = 1.23118 au 
 Jupiter MOID = 2.42317 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457767.5 (2017-Jan-14.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508476539566696 2.0697e-07  
q 2.230014254844448 5.4001e-07 au
tp 2457129.367403690570
(2015-Apr-16.86740369)
9.7096e-05 TDB
node 355.1949312367378 1.0551e-05 deg
peri 348.2272785686677 2.6439e-05 deg
i 32.92916043420814 1.6255e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6268 days (17.16 yr)  
   first obs. used      2002-09-06  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:21:26  

Additional Information
 Jupiter MOID = 2.42317 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.283569983713815E-14 -1.116901100173745E-13 4.970675234436154E-12 1.207829069542974E-13 -3.887939623078584E-13 -4.296884408579329E-13
q -1.116901100173745E-13 2.916088386837848E-13 -1.36466812551101E-11 -3.173837906966941E-13 8.932301144874883E-13 1.131344012997712E-12
tp 4.970675234436154E-12 -1.36466812551101E-11 9.427540585667618E-9 2.077133335913881E-11 2.222545158803527E-9 -1.059182887790692E-10
node 1.207829069542974E-13 -3.173837906966941E-13 2.077133335913881E-11 1.113256676236053E-10 -9.1348224930062E-11 1.945817730146222E-12
peri -3.887939623078584E-13 8.932301144874883E-13 2.222545158803527E-9 -9.1348224930062E-11 6.99029328450334E-10 -1.36004106365453E-11
i -4.296884408579329E-13 1.131344012997712E-12 -1.059182887790692E-10 1.945817730146222E-12 -1.36004106365453E-11 2.642196762401475E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO503411  

357287 (2002 TF172)          Discovered 2002-Oct-04 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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