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215161 (2000 AS178)
Classification: Main-belt Asteroid          SPK-ID: 2215161
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729505074199322 4.16e-08  
a 2.579753754991954 1.966e-08 au
q 2.13358403404762 1.0757e-07 au
i 6.955709956904694 6.8781e-06 deg
node 209.0422499706494 3.0542e-05 deg
peri 294.5482113759786 3.6788e-05 deg
M 307.3115439287905 2.0761e-05 deg
tp 2459222.002574651413
(2021-Jan-07.50257465)
8.8334e-05 TDB
period 1513.44208618938
4.14
1.73e-05
4.736e-08
d
yr
n .2378683685917748 2.7191e-09 deg/d
Q 3.025923475936287 2.306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7349 days (20.12 yr)  
   first obs. used      1999-12-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:20:05  

Additional Information
 Earth MOID = 1.15657 au 
 Jupiter MOID = 2.03592 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457326.5 (2015-Oct-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723625024624956 4.2042e-08  
q 2.135168348733492 1.0873e-07 au
tp 2457710.211026296775
(2016-Nov-17.71102630)
8.2436e-05 TDB
node 209.0490195954311 3.054e-05 deg
peri 294.8777338954066 3.6765e-05 deg
i 6.954820519957101 6.879e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7349 days (20.12 yr)  
   first obs. used      1999-12-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:20:05  

Additional Information
 Jupiter MOID = 2.03592 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.767491195839746E-15 -4.519584036515354E-15 1.958395593402127E-12 -1.684574965675419E-14 5.019300461600804E-13 6.332695556413062E-16
q -4.519584036515354E-15 1.182161930347512E-14 -4.730030301327497E-12 4.126485132903102E-14 -1.235675390827698E-12 -1.806214051926058E-15
tp 1.958395593402127E-12 -4.730030301327497E-12 6.795622229929088E-9 -4.008481125024946E-11 1.691653290975531E-9 -2.592420893111164E-12
node -1.684574965675419E-14 4.126485132903102E-14 -4.008481125024946E-11 9.32685577311659E-10 -9.350686300335666E-10 -1.75300741954207E-11
peri 5.019300461600804E-13 -1.235675390827698E-12 1.691653290975531E-9 -9.350686300335666E-10 1.351652251283991E-9 1.683909022837081E-11
i 6.332695556413062E-16 -1.806214051926058E-15 -2.592420893111164E-12 -1.75300741954207E-11 1.683909022837081E-11 4.732040880492693E-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 16.0   n/a MPO494185  

215161 (2000 AS178)          Discovered 2000-Jan-07 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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