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102721 (1999 VZ98)
Classification: Main-belt Asteroid          SPK-ID: 2102721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028063757862694 3.5835e-08  
a 2.440625228977769 1.3291e-08 au
q 2.189713394534031 9.2016e-08 au
i 5.661402025774796 4.0522e-06 deg
node 221.1257264327326 3.7984e-05 deg
peri 52.53155135218601 4.3287e-05 deg
M 313.8249743587036 2.2439e-05 deg
tp 2459379.130130635663
(2021-Jun-13.63013064)
8.7447e-05 TDB
period 1392.675935437406
3.81
1.1376e-05
3.115e-08
d
yr
n .2584951680714815 2.1115e-09 deg/d
Q 2.691537063421508 1.4657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      9486 days (25.97 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:53:02  

Additional Information
 Earth MOID = 1.17731 au 
 Jupiter MOID = 2.38549 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457573.5 (2016-Jul-04.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032867102135808 3.5843e-08  
q 2.189445506128124 9.222e-08 au
tp 2457983.993169579265
(2017-Aug-18.49316958)
8.2505e-05 TDB
node 221.1627287990179 3.8014e-05 deg
peri 52.01656558920781 4.3252e-05 deg
i 5.658012339956739 4.0509e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      9486 days (25.97 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:53:02  

Additional Information
 Jupiter MOID = 2.38549 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.284718950793569E-15 -3.280525411706728E-15 -6.047132150124348E-13 2.724556380043075E-15 -1.288034773673476E-13 1.311040436256255E-15
q -3.280525411706728E-15 8.504530184854104E-15 1.812934924565107E-12 -7.445729161590132E-15 3.85590129110884E-13 -3.186050394301284E-15
tp -6.047132150124348E-13 1.812934924565107E-12 6.80712403476281E-9 -1.816727693206029E-11 1.712488178446276E-9 2.541917095869767E-12
node 2.724556380043075E-15 -7.445729161590132E-15 -1.816727693206029E-11 1.445074677576446E-9 -1.442309446667509E-9 -7.589822581511141E-12
peri -1.288034773673476E-13 3.85590129110884E-13 1.712488178446276E-9 -1.442309446667509E-9 1.870728641117961E-9 8.219138620077301E-12
i 1.311040436256255E-15 -3.186050394301284E-15 2.541917095869767E-12 -7.589822581511141E-12 8.219138620077301E-12 1.64095067553713E-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 15.83   n/a E2021B55  

102721 (1999 VZ98)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VZ98 = 2003 WB42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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