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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06819960868494374 6.1442e-08  
a 2.967767914160886 2.919e-08 au
q 2.765367303747382 1.8559e-07 au
i 11.60347474896647 6.7495e-06 deg
node 67.75883007938043 2.6955e-05 deg
peri 9.825797835733679 5.7174e-05 deg
M 291.1708936365642 4.8746e-05 deg
tp 2458957.536782251673
(2020-Apr-18.03678225)
0.00025429 TDB
period 1867.425692437632
5.11
2.7551e-05
7.543e-08
d
yr
n .1927787549768989 2.8442e-09 deg/d
Q 3.17016852457439 3.1181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      10012 days (27.41 yr)  
   first obs. used      1991-03-20  
   last obs. used      2018-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59233  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:43:30  

Additional Information
 Earth MOID = 1.78092 au 
 Jupiter MOID = 2.09735 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 14.4   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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