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181655 (2007 VZ189)
Classification: Main-belt Asteroid          SPK-ID: 2181655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157461058282913 5.133e-08  
a 2.36453258954063 1.5313e-08 au
q 1.854393891243153 1.269e-07 au
i 4.227184483761709 3.86e-06 deg
node 84.32505760542178 8.2091e-05 deg
peri 304.6361280985335 8.2911e-05 deg
M 234.4029916321718 1.5347e-05 deg
tp 2459663.832940397553
(2022-Mar-25.33294040)
5.9988e-05 TDB
period 1328.055984061522
3.64
1.2901e-05
3.532e-08
d
yr
n .2710729098174247 2.6332e-09 deg/d
Q 2.874671287838106 1.8617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7076 days (19.37 yr)  
   first obs. used      2000-12-31  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:29  

Additional Information
 Earth MOID = .862429 au 
 Jupiter MOID = 2.5747 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456903.5 (2014-Sep-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141554763524628 5.1136e-08  
q 1.858995109377963 1.2633e-07 au
tp 2457005.917376593033
(2014-Dec-14.41737659)
4.4469e-05 TDB
node 84.430879560092 8.2096e-05 deg
peri 304.3696690885795 8.2942e-05 deg
i 4.226155446578495 3.8582e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7076 days (19.37 yr)  
   first obs. used      2000-12-31  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:29  

Additional Information
 Jupiter MOID = 2.5747 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.614939495388849E-15 -6.435217232058702E-15 -1.273177868899656E-12 -2.091073729621778E-16 -3.628538426889441E-13 -6.199963835536899E-15
q -6.435217232058702E-15 1.595812595801828E-14 3.251469258315486E-12 3.001785501810806E-15 9.17013050638753E-13 1.563267976568274E-14
tp -1.273177868899656E-12 3.251469258315486E-12 1.977449174581075E-9 1.450437400200907E-11 5.700043428603535E-10 5.060594298543768E-12
node -2.091073729621778E-16 3.001785501810806E-15 1.450437400200907E-11 6.739794224969709E-9 -6.717204682506578E-9 -6.460193663135533E-12
peri -3.628538426889441E-13 9.17013050638753E-13 5.700043428603535E-10 -6.717204682506578E-9 6.879293052648221E-9 7.871408264851793E-12
i -6.199963835536899E-15 1.563267976568274E-14 5.060594298543768E-12 -6.460193663135533E-12 7.871408264851793E-12 1.488601609578576E-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 17.08   n/a E2021B55  

181655 (2007 VZ189)          Discovered 2007-Nov-14 by Lowe, A. at Mayhill
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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