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58398 (1995 VY4)
Classification: Main-belt Asteroid          SPK-ID: 2058398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205647269526498 3.1055e-08  
a 2.342041808762194 8.2576e-09 au
q 2.05967417757709 7.1591e-08 au
i 3.938736869690943 3.7159e-06 deg
node 147.6893122732166 5.6046e-05 deg
peri 103.7339280756651 5.8463e-05 deg
M 139.0076697048542 1.7347e-05 deg
tp 2458694.993604577164
(2019-Jul-30.49360458)
6.2607e-05 TDB
period 1309.152960686356
3.58
6.9238e-06
1.896e-08
d
yr
n .274986965473661 1.4543e-09 deg/d
Q 2.624409439947298 9.2532e-09 au
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      9716 days (26.60 yr)  
   first obs. used      1994-06-07  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:43:16  

Additional Information
 Earth MOID = 1.04809 au 
 Jupiter MOID = 2.40589 au 
 T_jup = 3.551 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457620.5 (2016-Aug-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12008861983794 3.105e-08  
q 2.061364418289857 7.1548e-08 au
tp 2457386.028269572454
(2015-Dec-29.52826957)
6.2334e-05 TDB
node 147.7247677251259 5.6074e-05 deg
peri 103.9291194796864 5.8521e-05 deg
i 3.93745436663498 3.7152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      9716 days (26.60 yr)  
   first obs. used      1994-06-07  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:43:16  

Additional Information
 Jupiter MOID = 2.40589 au 
 T_jup = 3.551 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.64081792567063E-16 -2.210495409953206E-15 -7.655604332237026E-13 -8.86516847371013E-15 -2.020806421686559E-13 -7.459985587927965E-16
q -2.210495409953206E-15 5.119153598146414E-15 1.809552058585694E-12 2.103730833545469E-14 4.792804777049401E-13 1.770921243697829E-15
tp -7.655604332237026E-13 1.809552058585694E-12 3.885539392228725E-9 1.261755250589532E-11 1.061020574154985E-9 5.216666549390736E-13
node -8.86516847371013E-15 2.103730833545469E-14 1.261755250589532E-11 3.14431752954484E-9 -3.133090182273862E-9 9.200384210019477E-11
peri -2.020806421686559E-13 4.792804777049401E-13 1.061020574154985E-9 -3.133090182273862E-9 3.424655032855022E-9 -9.164312428556033E-11
i -7.459985587927965E-16 1.770921243697829E-15 5.216666549390736E-13 9.200384210019477E-11 -9.164312428556033E-11 1.380260547164636E-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 16.27   n/a E2021B10  

58398 (1995 VY4)          Discovered 1995-Nov-14 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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