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487896 (2015 TT161)
Classification: Main-belt Asteroid          SPK-ID: 2487896
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601433001695457 3.6082e-07  
a 2.247254130721404 1.3731e-07 au
q 1.887371437908035 7.0663e-07 au
i 1.526430922808704 5.693e-06 deg
node 119.9389740698922 0.00041556 deg
peri 181.6920709784032 0.00044523 deg
M 193.1112358739766 0.00021117 deg
tp 2459570.928618134358
(2021-Dec-22.42861813)
0.00077203 TDB
period 1230.486088166479
3.37
0.00011278
3.088e-07
d
yr
n .2925673060931783 2.6815e-08 deg/d
Q 2.607136823534774 1.593e-07 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      3186 days (8.72 yr)  
   first obs. used      2008-05-30  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .58318  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:12:17  

Additional Information
 Earth MOID = .871888 au 
 Jupiter MOID = 2.59995 au 
 T_jup = 3.612 
[ 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 18.2   n/a MPO399168  

487896 (2015 TT161)          Discovered 2008-May-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TT161 = 2008 PY12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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