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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07280753779033353 6.1045e-08  
a 1.917267882758458 1.0769e-08 au
q 1.777676328930329 1.1897e-07 au
i 19.55290692621599 1.3862e-05 deg
node 242.0846047021823 1.1841e-05 deg
peri 59.8027575064844 0.00010768 deg
M 22.96260445294709 0.00010247 deg
tp 2459138.649777432058
(2020-Oct-16.14977743)
0.000276 TDB
period 969.6670153459581
2.65
8.1694e-06
2.237e-08
d
yr
n .3712614684243529 3.1278e-09 deg/d
Q 2.056859436586587 1.1553e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:43:16  

Additional Information
 Earth MOID = .804133 au 
 Jupiter MOID = 3.05094 au 
 T_jup = 3.855 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458177.5 (2018-Feb-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07244351629615438 6.1e-08  
q 1.778166340228394 1.1875e-07 au
tp 2458169.187068845970
(2018-Feb-19.68706885)
0.00027816 TDB
node 242.0982113846263 1.1838e-05 deg
peri 59.85208125710084 0.00010832 deg
i 19.55676922360811 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:43:16  

Additional Information
 Jupiter MOID = 3.05094 au 
 T_jup = 3.855 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.720961204406809E-15 -7.218642804250327E-15 -1.079228293436186E-11 3.517728425848941E-14 -4.061347701842179E-12 -3.585300557383028E-14
q -7.218642804250327E-15 1.410119956926227E-14 2.050604103220138E-11 -6.89681909705717E-14 7.714282119069796E-12 7.148405719377094E-14
tp -1.079228293436186E-11 2.050604103220138E-11 7.737115854921577E-8 -1.720088110573807E-10 2.994373741836545E-8 1.819124913213898E-10
node 3.517728425848941E-14 -6.89681909705717E-14 -1.720088110573807E-10 1.401281773416684E-10 -1.967484600468098E-10 -9.802572697273144E-12
peri -4.061347701842179E-12 7.714282119069796E-12 2.994373741836545E-8 -1.967484600468098E-10 1.173230913502889E-8 7.844611959284195E-11
i -3.585300557383028E-14 7.148405719377094E-14 1.819124913213898E-10 -9.802572697273144E-12 7.844611959284195E-11 1.922200899561752E-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 17.61   n/a E2021B25  

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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