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523813 (2008 VB1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2750097947355916 1.4469e-07  
a 1.277569624556672 1.1484e-08 au
q .9262254643469148 1.7949e-07 au
i 10.31645897439101 1.2585e-05 deg
node 50.38015086986582 3.5926e-05 deg
peri 136.9007780347222 5.8907e-05 deg
M 252.3389155492018 8.0624e-05 deg
tp 2459158.236261131190
(2020-Nov-04.73626113)
0.00011991 TDB
period 527.4427087271215
1.44
7.1117e-06
1.947e-08
d
yr
n .682538584842302 9.2029e-09 deg/d
Q 1.628913784766429 1.4642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      4770 days (13.06 yr)  
   first obs. used      2005-09-26  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5184  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:47:09  

Additional Information
 Earth MOID = .0205152 au 
 Jupiter MOID = 3.33719 au 
 T_jup = 5.010 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456394.5 (2013-Apr-12.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2749690493772838 1.4483e-07  
q .9263306141962609 1.7954e-07 au
tp 2456520.998121536459
(2013-Aug-16.49812154)
9.1372e-05 TDB
node 50.40026503110967 3.5923e-05 deg
peri 136.888220345547 5.8904e-05 deg
i 10.31684747089581 1.2585e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      4770 days (13.06 yr)  
   first obs. used      2005-09-26  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5184  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:47:09  

Additional Information
 Jupiter MOID = 3.33719 au 
 T_jup = 5.010 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.097577601119358E-14 -2.59849202976741E-14 4.918824687282175E-12 1.554279426657162E-13 2.799221563069668E-12 1.791584220976193E-13
q -2.59849202976741E-14 3.223306131222525E-14 -5.712890068568581E-12 -2.0392430255816E-13 -3.296542850222064E-12 -2.164982933049408E-13
tp 4.918824687282175E-12 -5.712890068568581E-12 8.348902055896733E-9 -3.499333961786432E-10 4.288363098842878E-9 1.812561086737342E-10
node 1.554279426657162E-13 -2.0392430255816E-13 -3.499333961786432E-10 1.290461774819363E-9 -1.420266454543644E-9 -1.117443426339036E-10
peri 2.799221563069668E-12 -3.296542850222064E-12 4.288363098842878E-9 -1.420266454543644E-9 3.469723966307987E-9 1.968029704231798E-10
i 1.791584220976193E-13 -2.164982933049408E-13 1.812561086737342E-10 -1.117443426339036E-10 1.968029704231798E-10 1.583883829836058E-10

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 20.5   n/a MPO235392  

523813 (2008 VB1)          Discovered 2008-Nov-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-10-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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