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80161 (1999 TK247)
Classification: Main-belt Asteroid          SPK-ID: 2080161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572000197009824 4.093e-08  
a 2.212550259226715 1.106e-08 au
q 1.864737314886862 9.3991e-08 au
i 3.786374643849862 4.695e-06 deg
node 104.6744442137469 6.0927e-05 deg
peri 257.7333783399898 6.2785e-05 deg
M 120.0403976323136 1.7834e-05 deg
tp 2458599.667369784348
(2019-Apr-26.16736978)
5.7806e-05 TDB
period 1202.093209651204
3.29
9.0134e-06
2.468e-08
d
yr
n .299477608815756 2.2455e-09 deg/d
Q 2.560363203566569 1.2798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      7413 days (20.30 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:54:22  

Additional Information
 Earth MOID = .866347 au 
 Jupiter MOID = 2.89354 au 
 T_jup = 3.637 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO290986  

80161 (1999 TK247)          Discovered 1999-Oct-08 by CSS at Catalina
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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