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79791 (1998 VK5)
Classification: Main-belt Asteroid          SPK-ID: 2079791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136882820763205 4.9214e-08  
a 2.606348806505187 8.9903e-09 au
q 2.049402607551426 1.2749e-07 au
i 3.631105905007903 4.495e-06 deg
node 349.7176979827857 6.9417e-05 deg
peri 50.19100466806145 7.0523e-05 deg
M 48.81944522014475 9.1609e-06 deg
tp 2458792.080873701698
(2019-Nov-04.58087370)
3.9257e-05 TDB
period 1536.905737643005
4.21
7.952e-06
2.177e-08
d
yr
n .2342368768510782 1.212e-09 deg/d
Q 3.163295005458949 1.0911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      8046 days (22.03 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:00  

Additional Information
 Earth MOID = 1.05951 au 
 Jupiter MOID = 2.27429 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456775.5 (2014-Apr-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126562649992324 4.9442e-08  
q 2.052660685240572 1.2805e-07 au
tp 2457250.103434057552
(2015-Aug-15.60343406)
4.186e-05 TDB
node 349.945354098567 6.9006e-05 deg
peri 49.13872146875778 7.0165e-05 deg
i 3.643408511507348 4.5037e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      8046 days (22.03 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:00  

Additional Information
 Jupiter MOID = 2.27429 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.444556470451194E-15 -6.322181042747074E-15 -6.155847080701142E-13 9.097915710556245E-15 -2.632210327193455E-13 -4.271585285217768E-15
q -6.322181042747074E-15 1.6397693829479E-14 1.523252978532998E-12 -2.374023667297691E-14 6.592174168062686E-13 1.129694617483954E-14
tp -6.155847080701142E-13 1.523252978532998E-12 1.752287934051304E-9 -1.525363395910977E-11 5.45822856791256E-10 -4.776690161324534E-13
node 9.097915710556245E-15 -2.374023667297691E-14 -1.525363395910977E-11 4.761842981058978E-9 -4.756352249751665E-9 8.503543689517112E-11
peri -2.632210327193455E-13 6.592174168062686E-13 5.45822856791256E-10 -4.756352249751665E-9 4.923093532064864E-9 -8.492590449978322E-11
i -4.271585285217768E-15 1.129694617483954E-14 -4.776690161324534E-13 8.503543689517112E-11 -8.492590449978322E-11 2.028302586682565E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO263936  

79791 (1998 VK5)          Discovered 1998-Nov-08 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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