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212872 (2007 VT173)
Classification: Main-belt Asteroid          SPK-ID: 2212872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03664118626458382 5.1573e-08  
a 2.682872900389472 3.4604e-08 au
q 2.584569254722097 1.4019e-07 au
i 8.833303764386399 5.5425e-06 deg
node 271.2423632030514 4.3147e-05 deg
peri 176.2567906557917 0.00011223 deg
M 187.4502760194 0.00010691 deg
tp 2459369.825881381934
(2021-Jun-04.32588138)
0.00048296 TDB
period 1605.086991206285
4.39
3.1054e-05
8.502e-08
d
yr
n .2242869090412639 4.3393e-09 deg/d
Q 2.781176546056847 3.5872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      5711 days (15.64 yr)  
   first obs. used      2002-09-04  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61167  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:06:18  

Additional Information
 Earth MOID = 1.60104 au 
 Jupiter MOID = 2.35656 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456772.5 (2014-Apr-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03717569036148666 5.0707e-08  
q 2.581684896689909 1.3824e-07 au
tp 2456148.452400809241
(2012-Aug-08.95240081)
0.00045571 TDB
node 271.3137495215441 4.3225e-05 deg
peri 173.4502765189372 0.00011176 deg
i 8.825534295524019 5.5378e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      5711 days (15.64 yr)  
   first obs. used      2002-09-04  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61167  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:06:18  

Additional Information
 Jupiter MOID = 2.35656 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.571223033500154E-15 -6.807900292174322E-15 3.514468051055322E-12 -6.137482102394623E-16 8.960134760469626E-13 2.731297823414531E-15
q -6.807900292174322E-15 1.910961675575903E-14 -4.255948417383017E-12 -2.013543113869039E-15 -1.165563451143749E-12 -4.522717853573752E-15
tp 3.514468051055322E-12 -4.255948417383017E-12 2.076731091787667E-7 -1.693978168320913E-10 4.70069895510985E-8 6.273603229618515E-11
node -6.137482102394623E-16 -2.013543113869039E-15 -1.693978168320913E-10 1.868365765944742E-9 -1.88452875442445E-9 6.612646242840403E-11
peri 8.960134760469626E-13 -1.165563451143749E-12 4.70069895510985E-8 -1.88452875442445E-9 1.249085570998911E-8 -5.104349259344001E-11
i 2.731297823414531E-15 -4.522717853573752E-15 6.273603229618515E-11 6.612646242840403E-11 -5.104349259344001E-11 3.066674976404598E-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 15.9   n/a MPO433391  

212872 (2007 VT173)          Discovered 2007-Nov-02 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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