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216316 (2007 TD231)
Classification: Main-belt Asteroid          SPK-ID: 2216316
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06356706687189996 4.2312e-08  
a 2.361216728630854 1.3949e-08 au
q 2.211121106942927 1.048e-07 au
i 6.443546267083153 4.6982e-06 deg
node 190.480688123747 3.3051e-05 deg
peri 24.12313081125057 4.8787e-05 deg
M 56.16416852028948 3.373e-05 deg
tp 2458993.743564149051
(2020-May-24.24356415)
0.00012464 TDB
period 1325.263399554341
3.63
1.1743e-05
3.215e-08
d
yr
n .2716441124994931 2.407e-09 deg/d
Q 2.51131235031878 1.4835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      6609 days (18.09 yr)  
   first obs. used      2002-05-08  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:19  

Additional Information
 Earth MOID = 1.20576 au 
 Jupiter MOID = 2.44917 au 
 T_jup = 3.540 
[ show covariance matrix ]

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 17.06   n/a E2021B55  

216316 (2007 TD231)          Discovered 2007-Oct-08 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2007 TD231 = 2003 UU414 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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