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97159 (1999 VP172)
Classification: Main-belt Asteroid          SPK-ID: 2097159
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06844896794365667 5.713e-08  
a 2.968868782182808 2.2817e-08 au
q 2.765652778082254 1.7787e-07 au
i 11.60239108591657 6.3521e-06 deg
node 67.7606044073075 2.2336e-05 deg
peri 9.584887508099962 5.3751e-05 deg
M 8.488733822328955 4.6506e-05 deg
tp 2458956.441942380002
(2020-Apr-16.94194238)
0.00024131 TDB
period 1868.464847075129
5.12
2.154e-05
5.897e-08
d
yr
n .1926715402559162 2.2212e-09 deg/d
Q 3.172084786283362 2.4379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      10540 days (28.86 yr)  
   first obs. used      1991-03-20  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:12:44  

Additional Information
 Earth MOID = 1.78132 au 
 Jupiter MOID = 2.09544 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457317.5 (2015-Oct-22.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06562723673132878 5.6574e-08  
q 2.774777098813761 1.7524e-07 au
tp 2457089.759372112799
(2015-Mar-08.25937211)
0.00025281 TDB
node 67.89420340009774 2.2381e-05 deg
peri 9.91741940106988 5.602e-05 deg
i 11.58931336707608 6.3428e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      10540 days (28.86 yr)  
   first obs. used      1991-03-20  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:12:44  

Additional Information
 Jupiter MOID = 2.09544 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.200571720392241E-15 -9.847746752235949E-15 -6.492817011360701E-12 -1.416824291679851E-14 -1.297311574475315E-12 -2.183649400916974E-15
q -9.847746752235949E-15 3.070871212808297E-14 1.930468650598957E-11 4.267589880454857E-14 3.86902255727258E-12 8.253117973276778E-15
tp -6.492817011360701E-12 1.930468650598957E-11 6.391364303128498E-8 9.055053602406351E-11 1.300369338657953E-8 -1.73422085307477E-11
node -1.416824291679851E-14 4.267589880454857E-14 9.055053602406351E-11 5.009257770355661E-10 -4.71817898005724E-10 -5.009906151021454E-11
peri -1.297311574475315E-12 3.86902255727258E-12 1.300369338657953E-8 -4.71817898005724E-10 3.138255234164872E-9 4.54853309603001E-11
i -2.183649400916974E-15 8.253117973276778E-15 -1.73422085307477E-11 -5.009906151021454E-11 4.54853309603001E-11 4.023173608994847E-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 14.4   n/a MPO412727  
diameter diameter 4.849 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97159 (1999 VP172)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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