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19088 (1978 VW4)
Classification: Main-belt Asteroid          SPK-ID: 2019088
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766953096153716 3.4639e-08  
a 2.38333544248063 8.6153e-09 au
q 1.962211248554226 8.1953e-08 au
i 1.69883431535224 3.8954e-06 deg
node 39.00755766351547 0.00015717 deg
peri 23.01509218384871 0.00015771 deg
M 155.1030716316491 1.4194e-05 deg
tp 2458621.479310977911
(2019-May-17.97931098)
5.1816e-05 TDB
period 1343.928562182117
3.68
7.2871e-06
1.995e-08
d
yr
n .2678713810617085 1.4525e-09 deg/d
Q 2.804459636407034 1.0138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      15173 days (41.54 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:45:22  

Additional Information
 Earth MOID = .974645 au 
 Jupiter MOID = 2.51412 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456840.5 (2014-Jul-02.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752646225313618 3.4535e-08  
q 1.966761043498857 8.1629e-08 au
tp 2457276.197159215148
(2015-Sep-10.69715921)
5.0545e-05 TDB
node 39.02666905225175 0.00015711 deg
peri 22.94408316185936 0.00015767 deg
i 1.699909445133406 3.8927e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      15173 days (41.54 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:45:22  

Additional Information
 Jupiter MOID = 2.51412 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.192676296796481E-15 -2.808489507025035E-15 2.51321863651251E-13 9.130186335292276E-15 2.74655659691477E-14 -2.862404006705561E-16
q -2.808489507025035E-15 6.663258713788096E-15 -5.222262990540146E-13 -2.201461364840977E-14 -5.070523947420513E-14 6.976242578866912E-16
tp 2.51321863651251E-13 -5.222262990540146E-13 2.554817683399281E-9 9.834623897103241E-12 6.900490613222284E-10 -5.235609573262397E-13
node 9.130186335292276E-15 -2.201461364840977E-14 9.834623897103241E-12 2.468457996147521E-8 -2.467116027331651E-8 -5.825050513658525E-11
peri 2.74655659691477E-14 -5.070523947420513E-14 6.900490613222284E-10 -2.467116027331651E-8 2.486024681450738E-8 5.808648700480382E-11
i -2.862404006705561E-16 6.976242578866912E-16 -5.235609573262397E-13 -5.825050513658525E-11 5.808648700480382E-11 1.515317851780953E-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 16.0   n/a MPO358814  

19088 (1978 VW4)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VW4 = 1994 AP9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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