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74332 (1998 VB9)
Classification: Main-belt Asteroid          SPK-ID: 2074332
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671935508466348 5.2116e-08  
a 2.684687377314689 1.2706e-08 au
q 2.235824961788307 1.44e-07 au
i 11.13714326240659 5.9706e-06 deg
node 224.4164874782433 2.1959e-05 deg
peri 210.8139082534454 2.6617e-05 deg
M 294.0233659726151 1.5506e-05 deg
tp 2459294.960240525700
(2021-Mar-21.46024053)
6.9585e-05 TDB
period 1606.715591845021
4.40
1.1406e-05
3.123e-08
d
yr
n .22405956712389 1.5906e-09 deg/d
Q 3.13354979284107 1.483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:32  

Additional Information
 Earth MOID = 1.25767 au 
 Jupiter MOID = 2.20368 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457236.5 (2015-Aug-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664472695627866 5.2111e-08  
q 2.239246401147954 1.4397e-07 au
tp 2457680.659604010646
(2016-Oct-19.15960401)
6.8797e-05 TDB
node 224.5033915660305 2.1908e-05 deg
peri 209.5499610078808 2.6689e-05 deg
i 11.14579385675444 5.9802e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:32  

Additional Information
 Jupiter MOID = 2.20368 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.715533304456456E-15 -7.484669802043974E-15 -1.483625129809452E-12 -3.582250631799663E-14 -2.210688482419043E-13 -4.550109967759662E-15
q -7.484669802043974E-15 2.072610625024237E-14 4.039923892398919E-12 9.779531411251824E-14 5.927422379891052E-13 1.277987447694625E-14
tp -1.483625129809452E-12 4.039923892398919E-12 4.733035604904635E-9 4.031839324757937E-11 1.053721545708021E-9 6.213596622690567E-12
node -3.582250631799663E-14 9.779531411251824E-14 4.031839324757937E-11 4.799596863513397E-10 -4.618535330072537E-10 -2.769532755752796E-11
peri -2.210688482419043E-13 5.927422379891052E-13 1.053721545708021E-9 -4.618535330072537E-10 7.122976374827116E-10 2.859336161418013E-11
i -4.550109967759662E-15 1.277987447694625E-14 6.213596622690567E-12 -2.769532755752796E-11 2.859336161418013E-11 3.576273399056251E-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 15.2   n/a MPO439561  

74332 (1998 VB9)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VB9 = 2002 TV153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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