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JPL Small-Body Database Browser
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168546 (1999 VA189)
Classification: Main-belt Asteroid          SPK-ID: 2168546
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821190089948249 4.4338e-08  
a 2.449673314398994 1.1571e-08 au
q 2.003541238019581 1.1015e-07 au
i 4.229222760213699 3.7825e-06 deg
node 102.7934979303277 7.3706e-05 deg
peri 290.1044688269749 7.4728e-05 deg
M 144.4986218553057 1.2619e-05 deg
tp 2458438.389253859268
(2018-Nov-15.88925386)
4.8432e-05 TDB
period 1400.427671990517
3.83
9.9224e-06
2.717e-08
d
yr
n .2570643291333348 1.8214e-09 deg/d
Q 2.895805390778407 1.3678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      7411 days (20.29 yr)  
   first obs. used      1999-10-21  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 15:31:35  

Additional Information
 Earth MOID = 1.01452 au 
 Jupiter MOID = 2.54174 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457156.5 (2015-May-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803273172285 4.4261e-08  
q 2.008491606919436 1.0979e-07 au
tp 2457035.369602967680
(2015-Jan-12.86960297)
4.9213e-05 TDB
node 102.8996813288804 7.3667e-05 deg
peri 289.6989407388482 7.4726e-05 deg
i 4.229609167733295 3.785e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      7411 days (20.29 yr)  
   first obs. used      1999-10-21  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 15:31:35  

Additional Information
 Jupiter MOID = 2.54174 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.959024390159857E-15 -4.841821630964632E-15 -1.095613307146291E-12 -2.758959999840001E-14 -3.008715023654533E-13 -3.680590989363246E-15
q -4.841821630964632E-15 1.205493533345327E-14 2.645895937248106E-12 6.984841152389559E-14 7.263148762981668E-13 9.207393973691342E-15
tp -1.095613307146291E-12 2.645895937248106E-12 2.42193808290425E-9 3.171076957861984E-11 6.58210298258196E-10 3.294426117876887E-12
node -2.758959999840001E-14 6.984841152389559E-14 3.171076957861984E-11 5.426753695585801E-9 -5.402403404079392E-9 8.745414180488847E-11
peri -3.008715023654533E-13 7.263148762981668E-13 6.58210298258196E-10 -5.402403404079392E-9 5.583968126858908E-9 -8.626336218743382E-11
i -3.680590989363246E-15 9.207393973691342E-15 3.294426117876887E-12 8.745414180488847E-11 -8.626336218743382E-11 1.432625794945061E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO459782  

168546 (1999 VA189)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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