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212796 Guoyonghuai (2007 TE247)
Classification: Main-belt Asteroid          SPK-ID: 2212796
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02021159797141252 4.6001e-08  
a 2.680712593856123 2.165e-08 au
q 2.626531108632201 1.3021e-07 au
i 5.316966052740586 4.039e-06 deg
node 125.62894951 6.3585e-05 deg
peri 33.38643274399377 0.00015473 deg
M 246.0574249836277 0.00014281 deg
tp 2459707.908032506811
(2022-May-08.40803251)
0.00063819 TDB
period 1603.148706058333
4.39
1.9421e-05
5.317e-08
d
yr
n .2245580828774975 2.7204e-09 deg/d
Q 2.734894079080046 2.2088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7694 days (21.07 yr)  
   first obs. used      2000-01-09  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:40:07  

Additional Information
 Earth MOID = 1.63702 au 
 Jupiter MOID = 2.23634 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457870.5 (2017-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01818993323267593 4.6319e-08  
q 2.632239640916074 1.3065e-07 au
tp 2458107.197367078917
(2017-Dec-19.69736708)
0.00069974 TDB
node 125.70552036015 6.3689e-05 deg
peri 34.03824646224233 0.00016882 deg
i 5.312643800722616 4.0355e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7694 days (21.07 yr)  
   first obs. used      2000-01-09  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:40:07  

Additional Information
 Jupiter MOID = 2.23634 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.145445219210076E-15 -5.975154053154286E-15 7.9545773697948E-12 2.494658126766802E-15 1.84547199023143E-12 5.491945298811896E-16
q -5.975154053154286E-15 1.70685774725359E-14 -1.629905898058463E-11 -2.861695754214199E-15 -3.852021823668954E-12 -7.150840197967985E-16
tp 7.9545773697948E-12 -1.629905898058463E-11 4.896417490794549E-7 1.03417077213993E-10 1.094473558911594E-7 3.015904604735658E-11
node 2.494658126766802E-15 -2.861695754214199E-15 1.03417077213993E-10 4.05623664195257E-9 -4.015618303628381E-9 1.202228437918021E-11
peri 1.84547199023143E-12 -3.852021823668954E-12 1.094473558911594E-7 -4.015618303628381E-9 2.850001341865398E-8 -5.253168585807898E-12
i 5.491945298811896E-16 -7.150840197967985E-16 3.015904604735658E-11 1.202228437918021E-11 -5.253168585807898E-12 1.628531195615019E-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 16.15   n/a E2021B55  

212796 Guoyonghuai           Discovered 2007 Oct. 9 by PMO NEO Survey Program at XuYi.
Guo Yong-Huai (1909-1968), a professor at University of Science and Technology of China, served as the first dean of the Department of Chemical Physics. He was one of the founders of modern mechanics in China, and made significant contributions to mechanics, applied mathematics and aeronautics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

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