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91919 (1999 VE33)
Classification: Main-belt Asteroid          SPK-ID: 2091919
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270856366486567 4.5045e-08  
a 2.926362365519574 1.4645e-08 au
q 2.55446374123285 1.3396e-07 au
i 3.907926253287255 4.7531e-06 deg
node 40.96118840278626 5.347e-05 deg
peri 3.347435150215578 5.5549e-05 deg
M 47.65447126955124 1.3914e-05 deg
tp 2458758.457441004334
(2019-Oct-01.95744100)
7.0563e-05 TDB
period 1828.481544692211
5.01
1.3726e-05
3.758e-08
d
yr
n .1968846779148646 1.478e-09 deg/d
Q 3.298260989806299 1.6506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1241  
   data-arc span      10651 days (29.16 yr)  
   first obs. used      1991-02-17  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:44:04  

Additional Information
 Earth MOID = 1.56352 au 
 Jupiter MOID = 2.09106 au 
 T_jup = 3.262 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456853.5 (2014-Jul-15.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233783696529352 4.453e-08  
q 2.565570117221891 1.3166e-07 au
tp 2456923.569541130296
(2014-Sep-23.06954113)
7.5166e-05 TDB
node 41.06333051849066 5.3611e-05 deg
peri 2.283539380299075 5.5878e-05 deg
i 3.905075301351773 4.7413e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1241  
   data-arc span      10651 days (29.16 yr)  
   first obs. used      1991-02-17  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:44:04  

Additional Information
 Jupiter MOID = 2.09106 au 
 T_jup = 3.262 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.982917316145807E-15 -5.835185661807893E-15 3.473423601915912E-13 1.505514605287236E-14 1.611021497935527E-14 2.511831261827757E-16
q -5.835185661807893E-15 1.733401873561437E-14 -1.140323376086727E-12 -4.393229992554037E-14 -7.363692709854705E-14 -2.846036278734245E-16
tp 3.473423601915912E-13 -1.140323376086727E-12 5.649922817917154E-9 -2.534062767697807E-12 1.193479001616872E-9 -1.605625588660866E-13
node 1.505514605287236E-14 -4.393229992554037E-14 -2.534062767697807E-12 2.874159308443292E-9 -2.868187416575023E-9 4.446910728777645E-11
peri 1.611021497935527E-14 -7.363692709854705E-14 1.193479001616872E-9 -2.868187416575023E-9 3.122401724821822E-9 -4.44110905648104E-11
i 2.511831261827757E-16 -2.846036278734245E-16 -1.605625588660866E-13 4.446910728777645E-11 -4.44110905648104E-11 2.247992751628236E-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 14.4   n/a MPO502692  
diameter diameter 3.838 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91919 (1999 VE33)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VE33 = 2001 DF31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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