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100642 (1997 VV4)
Classification: Main-belt Asteroid          SPK-ID: 2100642
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2259300509489492 4.6299e-08  
a 2.583552580747132 1.2468e-08 au
q 1.999850414549643 1.1618e-07 au
i 2.087784779471099 4.9423e-06 deg
node 205.2307389052032 0.00011331 deg
peri 177.3124137471049 0.00011379 deg
M 167.5823299531311 1.5073e-05 deg
tp 2458294.426182212443
(2018-Jun-24.92618221)
5.9614e-05 TDB
period 1516.786253506624
4.15
1.098e-05
3.006e-08
d
yr
n .2373439231584042 1.7182e-09 deg/d
Q 3.167254746944621 1.5285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      8245 days (22.57 yr)  
   first obs. used      1997-10-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:03  

Additional Information
 Earth MOID = 1.00312 au 
 Jupiter MOID = 2.29129 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456512.5 (2013-Aug-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2231984817297309 4.5983e-08  
q 2.008755675444266 1.1503e-07 au
tp 2456774.365354303356
(2014-Apr-26.86535430)
5.2995e-05 TDB
node 205.4149211642161 0.00011391 deg
peri 176.9120948942288 0.0001144 deg
i 2.079446896467199 4.9314e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      8245 days (22.57 yr)  
   first obs. used      1997-10-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:03  

Additional Information
 Jupiter MOID = 2.29129 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.114403302798244E-15 -5.273301232516877E-15 4.230295959890936E-13 7.510209257427382E-15 1.749311308127457E-14 -3.794559182402462E-16
q -5.273301232516877E-15 1.323216138623275E-14 -7.580178378522032E-13 -1.667154457532817E-14 1.109721808183286E-14 8.537324365946124E-16
tp 4.230295959890936E-13 -7.580178378522032E-13 2.808467128369268E-9 1.261552278998609E-11 5.720407198905605E-10 -9.930726522454559E-13
node 7.510209257427382E-15 -1.667154457532817E-14 1.261552278998609E-11 1.297478736381874E-8 -1.296345506079363E-8 -1.265272747302208E-10
peri 1.749311308127457E-14 1.109721808183286E-14 5.720407198905605E-10 -1.296345506079363E-8 1.308654664904989E-8 1.262426523990433E-10
i -3.794559182402462E-16 8.537324365946124E-16 -9.930726522454559E-13 -1.265272747302208E-10 1.262426523990433E-10 2.431851775095255E-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 15.4   n/a MPO453460  

100642 (1997 VV4)          Discovered 1997-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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