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216809 (2006 TU31)
Classification: Main-belt Asteroid          SPK-ID: 2216809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181519603292339 4.2896e-08  
a 2.551508970014117 1.4238e-08 au
q 2.250043183409324 1.1218e-07 au
i 1.991749787375062 4.8292e-06 deg
node 185.4316706162328 0.00010399 deg
peri 212.9809711782522 0.00010599 deg
M 213.213158994421 2.2373e-05 deg
tp 2460003.486035165050
(2023-Feb-27.98603516)
9.594e-05 TDB
period 1488.655053562416
4.08
1.2461e-05
3.412e-08
d
yr
n .2418290248896173 2.0243e-09 deg/d
Q 2.852974756618909 1.5921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1998-12-13  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:41:06  

Additional Information
 Earth MOID = 1.25712 au 
 Jupiter MOID = 2.53509 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457570.5 (2016-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163145691879926 4.2713e-08  
q 2.257229553096046 1.1146e-07 au
tp 2457024.415179869270
(2015-Jan-01.91517987)
8.2883e-05 TDB
node 185.4244823361275 0.00010403 deg
peri 213.0670900192797 0.00010611 deg
i 1.989476370109518 4.829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1998-12-13  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:41:06  

Additional Information
 Jupiter MOID = 2.53509 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.824424095077335E-15 -4.731215735158183E-15 -1.266089808379186E-12 -6.809302439054015E-17 -3.364891396179937E-13 9.785161994135952E-16
q -4.731215735158183E-15 1.242372058452122E-14 3.743141281137908E-12 -3.563777585523969E-15 9.949136386791792E-13 -2.574944782590781E-15
tp -1.266089808379186E-12 3.743141281137908E-12 6.869624263455872E-9 -2.591739269184139E-11 1.741611040741465E-9 -1.251260342331542E-12
node -6.809302439054015E-17 -3.563777585523969E-15 -2.591739269184139E-11 1.08225028993287E-8 -1.082195635394755E-8 -1.505967578468047E-11
peri -3.364891396179937E-13 9.949136386791792E-13 1.741611040741465E-9 -1.082195635394755E-8 1.12590626983785E-8 1.473051778009324E-11
i 9.785161994135952E-16 -2.574944782590781E-15 -1.251260342331542E-12 -1.505967578468047E-11 1.473051778009324E-11 2.331888511930611E-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 16.80   n/a MPO638141  

216809 (2006 TU31)          Discovered 2006-Oct-12 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2006 TU31 = 2002 VV41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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