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97173 (1999 VJ197)
Classification: Main-belt Asteroid          SPK-ID: 2097173
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042639335053924 3.8057e-08  
a 2.833523714103069 1.7876e-08 au
q 2.254737014579567 1.1048e-07 au
i 10.08094511897184 4.2059e-06 deg
node 87.26753006521859 3.2916e-05 deg
peri 337.6710527375258 3.6466e-05 deg
M 90.45748456846866 1.5303e-05 deg
tp 2458562.745408132039
(2019-Mar-20.24540813)
7.2733e-05 TDB
period 1742.162672599882
4.77
1.6487e-05
4.514e-08
d
yr
n .2066397160620834 1.9555e-09 deg/d
Q 3.412310413626571 2.1528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:29:39  

Additional Information
 Earth MOID = 1.27224 au 
 Jupiter MOID = 1.91073 au 
 T_jup = 3.259 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036202243602362 3.7864e-08  
q 2.257401876307299 1.0979e-07 au
tp 2456821.897746364216
(2014-Jun-13.39774636)
7.0334e-05 TDB
node 87.29196430719279 3.2923e-05 deg
peri 337.9930416912082 3.6505e-05 deg
i 10.07833676733435 4.2048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:29:39  

Additional Information
 Jupiter MOID = 1.91073 au 
 T_jup = 3.259 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.433716522365757E-15 -4.122708768184311E-15 -7.158618643021306E-13 2.128247647234903E-15 -2.152274991678126E-13 -2.023504969644573E-15
q -4.122708768184311E-15 1.20529696084709E-14 2.062402703983298E-12 -6.427510132377785E-15 6.334667009009871E-13 6.306847243793409E-15
tp -7.158618643021306E-13 2.062402703983298E-12 4.946833145756411E-9 3.242831958584625E-11 1.152912390190208E-9 1.680477714175584E-12
node 2.128247647234903E-15 -6.427510132377785E-15 3.242831958584625E-11 1.083926106128423E-9 -1.059025098958011E-9 9.710993461128939E-12
peri -2.152274991678126E-13 6.334667009009871E-13 1.152912390190208E-9 -1.059025098958011E-9 1.332603620270828E-9 -9.028740413252706E-12
i -2.023504969644573E-15 6.306847243793409E-15 1.680477714175584E-12 9.710993461128939E-12 -9.028740413252706E-12 1.768013678320672E-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 14.9   n/a MPO381871  
diameter diameter 6.884 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97173 (1999 VJ197)          Discovered 1999-Nov-03 by LONEOS at Anderson Mesa
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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