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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966779323067477 1.2882e-07  
a 2.591880518689951 4.15e-08 au
q 2.082114817487871 3.1335e-07 au
i 11.19501305119512 1.1021e-05 deg
node 215.3041710802007 3.8675e-05 deg
peri 162.5456461677476 4.9386e-05 deg
M 260.1318724313746 5.0151e-05 deg
tp 2459023.310047898537
(2020-Jun-22.81004790)		 0.00022189 TDB
period 1524.126074546454
4.17		 3.6605e-05
1.002e-07		 d
yr
n .2362009324636271 5.6729e-09 deg/d
Q 3.101646219892031 4.9662e-08 au
   Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:07:22  

Additional Information
 Earth MOID = 1.08695 au 
 Jupiter MOID = 2.36768 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455547.5 (2010-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986160473270524 1.3011e-07  
q 2.074672518463364 3.178e-07 au
tp 2455980.356608656102
(2012-Feb-22.85660866)		 0.00015522 TDB
node 215.3526529519661 3.8606e-05 deg
peri 162.8593211317106 4.899e-05 deg
i 11.20936612533666 1.1042e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:07:22  

Additional Information
 Jupiter MOID = 2.36768 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.692780019236166E-14 -4.122635714338011E-14 1.122852523103492E-11 -7.661765585449713E-14 1.91560335467774E-12 -6.159107330878978E-14
q -4.122635714338011E-14 1.009972717918289E-13 -2.475950105185744E-11 2.022882864838971E-13 -4.177665974840975E-12 1.413600728448235E-13
tp 1.122852523103492E-11 -2.475950105185744E-11 2.409216929989145E-8 6.344669976374562E-11 4.694339103505462E-9 -1.049414653601295E-10
node -7.661765585449713E-14 2.022882864838971E-13 6.344669976374562E-11 1.490388001848026E-9 -1.44545034351076E-9 -1.059523513528925E-10
peri 1.91560335467774E-12 -4.177665974840975E-12 4.694339103505462E-9 -1.44545034351076E-9 2.400067025298455E-9 8.360643870926742E-11
i -6.159107330878978E-14 1.413600728448235E-13 -1.049414653601295E-10 -1.059523513528925E-10 8.360643870926742E-11 1.219274647364172E-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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