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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06857768240546885 4.3557e-08  
a 2.969133569034175 1.9303e-08 au
q 2.765517270117533 1.3025e-07 au
i 11.60134445955057 4.8568e-06 deg
node 67.75611833421779 2.087e-05 deg
peri 9.525424497213828 5.1886e-05 deg
M 47.06993172130849 4.4378e-05 deg
tp 2458956.165891837986
(2020-Apr-16.66589184)
0.00023041 TDB
period 1868.714819029692
5.12
1.8223e-05
4.989e-08
d
yr
n .1926457672053597 1.8786e-09 deg/d
Q 3.172749867950817 2.0626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      10948 days (29.97 yr)  
   first obs. used      1991-03-20  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:15:21  

Additional Information
 Earth MOID = 1.7807 au 
 Jupiter MOID = 2.09512 au 
 T_jup = 3.229 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.53   n/a MPCxxxxx  
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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