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215322 (2001 TT161)
Classification: Main-belt Asteroid          SPK-ID: 2215322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482482887131837 4.6194e-08  
a 2.298051562274463 1.418e-08 au
q 1.957369350792616 1.0541e-07 au
i 5.087405589589575 4.8628e-06 deg
node 219.9470514951236 4.9974e-05 deg
peri 45.83508614025176 5.2211e-05 deg
M 216.3973653968006 1.5187e-05 deg
tp 2459508.072386607766
(2021-Oct-20.57238661)
5.4573e-05 TDB
period 1272.442247899571
3.48
1.1777e-05
3.224e-08
d
yr
n .2829205023601303 2.6187e-09 deg/d
Q 2.638733773756311 1.6282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:43  

Additional Information
 Earth MOID = .945778 au 
 Jupiter MOID = 2.43333 au 
 T_jup = 3.574 
[ 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 16.5   n/a MPO450015  

215322 (2001 TT161)          Discovered 2001-Oct-11 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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