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173330 (1999 VA187)
Classification: Main-belt Asteroid          SPK-ID: 2173330
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962357729972833 1.0452e-07  
a 2.58976940521676 1.7512e-08 au
q 2.081564004099334 2.6287e-07 au
i 11.19191388061149 1.0269e-05 deg
node 215.2645828016963 3.3771e-05 deg
peri 162.7872321354756 3.9042e-05 deg
M 354.4481430997012 2.3503e-05 deg
tp 2459023.976093665772
(2020-Jun-23.47609367)
9.9552e-05 TDB
period 1522.264329115343
4.17
1.5441e-05
4.228e-08
d
yr
n .2364898087109564 2.3988e-09 deg/d
Q 3.097974806334185 2.0949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:25:58  

Additional Information
 Earth MOID = 1.08712 au 
 Jupiter MOID = 2.37352 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456431.5 (2013-May-19.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992136613010252 1.0532e-07  
q 2.07265727519579 2.6592e-07 au
tp 2455979.685015156256
(2012-Feb-22.18501516)
7.9161e-05 TDB
node 215.3367029564831 3.3704e-05 deg
peri 162.6354974824828 3.8782e-05 deg
i 11.20728825496743 1.0286e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:25:58  

Additional Information
 Jupiter MOID = 2.37352 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.109228024255413E-14 -2.798096688089543E-14 3.145739852774393E-12 -1.411499096430835E-13 5.824611995412405E-13 -1.747244461269523E-14
q -2.798096688089543E-14 7.07139786736759E-14 -7.615802243145475E-12 3.498211751038458E-13 -1.393741515057601E-12 4.469967995151278E-14
tp 3.145739852774393E-12 -7.615802243145475E-12 6.266419954939122E-9 -5.159913707784018E-11 1.542083806137283E-9 -2.040565282675204E-11
node -1.411499096430835E-13 3.498211751038458E-13 -5.159913707784018E-11 1.135950431081548E-9 -1.121341870929663E-9 -4.392130539646089E-11
peri 5.824611995412405E-13 -1.393741515057601E-12 1.542083806137283E-9 -1.121341870929663E-9 1.504024740245939E-9 3.854800329084794E-11
i -1.747244461269523E-14 4.469967995151278E-14 -2.040565282675204E-11 -4.392130539646089E-11 3.854800329084794E-11 1.057930873893582E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO475467  

173330 (1999 VA187)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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