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442155 (2010 VA195)
Classification: Inner Main-belt Asteroid          SPK-ID: 2442155
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07278997586007706 6.0896e-08  
a 1.917182162226366 1.0723e-08 au
q 1.777630518918539 1.1858e-07 au
i 19.55584580647615 1.3864e-05 deg
node 242.0949707113182 1.1839e-05 deg
peri 59.93687171686785 0.00010779 deg
M 308.5818420880707 0.0001026 deg
tp 2459138.986522263228
(2020-Oct-16.48652226)
0.0002763 TDB
period 969.6019857451063
2.65
8.1346e-06
2.227e-08
d
yr
n .37128636831674 3.115e-09 deg/d
Q 2.056733805534193 1.1503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      5910 days (16.18 yr)  
   first obs. used      2004-05-12  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 00:51:34  

Additional Information
 Earth MOID = .805905 au 
 Jupiter MOID = 3.05242 au 
 T_jup = 3.855 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458177.5 (2018-Feb-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07244351603890878 6.1e-08  
q 1.778166340991502 1.1875e-07 au
tp 2458169.187069951089
(2018-Feb-19.68706995)
0.00027816 TDB
node 242.0982113663183 1.1838e-05 deg
peri 59.8520817439541 0.00010832 deg
i 19.55676923070121 1.3864e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      5910 days (16.18 yr)  
   first obs. used      2004-05-12  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 00:51:34  

Additional Information
 Jupiter MOID = 3.05242 au 
 T_jup = 3.855 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.72096112173312E-15 -7.218644003787898E-15 -1.079229379654201E-11 3.517729911004097E-14 -4.06135207069668E-12 -3.58530312013479E-14
q -7.218644003787898E-15 1.410120494747095E-14 2.050606994282308E-11 -6.896823790539052E-14 7.714293748494226E-12 7.148413430950256E-14
tp -1.079229379654201E-11 2.050606994282308E-11 7.737120495064577E-8 -1.72009009806074E-10 2.994375621885094E-8 1.81912738988604E-10
node 3.517729911004097E-14 -6.896823790539052E-14 -1.72009009806074E-10 1.401281756976845E-10 -1.967485377278278E-10 -9.802581493551508E-12
peri -4.06135207069668E-12 7.714293748494226E-12 2.994375621885094E-8 -1.967485377278278E-10 1.173231679344026E-8 7.844622875307025E-11
i -3.58530312013479E-14 7.148413430950256E-14 1.81912738988604E-10 -9.802581493551508E-12 7.844622875307025E-11 1.922201085993185E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO472461  

442155 (2010 VA195)          Discovered 2004-May-12 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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