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43080 (1999 VA198)
Classification: Main-belt Asteroid          SPK-ID: 2043080
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05410634817853854 4.2197e-08  
a 2.621071873696512 1.1396e-08 au
q 2.479255246297314 1.1224e-07 au
i 15.1575677862634 4.3942e-06 deg
node 188.8071729195985 1.3454e-05 deg
peri 170.2966966978474 4.0427e-05 deg
M 72.62158958987216 3.6552e-05 deg
tp 2459083.834421581131
(2020-Aug-22.33442158)
0.0001577 TDB
period 1549.946907888816
4.24
1.0108e-05
2.767e-08
d
yr
n .2322660203183065 1.5148e-09 deg/d
Q 2.762888501095709 1.2013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      10189 days (27.90 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:02:29  

Additional Information
 Earth MOID = 1.47697 au 
 Jupiter MOID = 2.4682 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457663.5 (2016-Oct-02.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05579452271604552 4.235e-08  
q 2.475047988093715 1.1301e-07 au
tp 2457534.099675584240
(2016-May-25.59967558)
0.00015452 TDB
node 188.9057515438285 1.344e-05 deg
peri 170.3136370914374 3.9281e-05 deg
i 15.16570340549208 4.3973e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      10189 days (27.90 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:02:29  

Additional Information
 Jupiter MOID = 2.4682 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.793484518564505E-15 -4.764201660610586E-15 2.619252612830115E-12 5.101449295002887E-15 6.597997023672608E-13 5.358020366095688E-15
q -4.764201660610586E-15 1.277117823104663E-14 -7.266648246798765E-12 -1.380170375427283E-14 -1.823626857545081E-12 -1.366596337219473E-14
tp 2.619252612830115E-12 -7.266648246798765E-12 2.387529300622051E-8 1.018278011539713E-12 5.713335536014137E-9 2.734235416207367E-11
node 5.101449295002887E-15 -1.380170375427283E-14 1.018278011539713E-12 1.80625240627418E-10 -1.735568983154119E-10 1.122236208456913E-11
peri 6.597997023672608E-13 -1.823626857545081E-12 5.713335536014137E-9 -1.735568983154119E-10 1.542987976294706E-9 -4.30310788249864E-12
i 5.358020366095688E-15 -1.366596337219473E-14 2.734235416207367E-11 1.122236208456913E-11 -4.30310788249864E-12 1.933606927385749E-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 15.30   n/a E2021B10  
diameter diameter 2.822 km 0.515 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43080 (1999 VA198)          Discovered 1999-Nov-03 by CSS at Catalina
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VA198 = 1993 FD79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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