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487900 (2015 TW170)
Classification: Main-belt Asteroid          SPK-ID: 2487900
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09102243280890529 9.4696e-08  
a 2.632044353453248 4.2905e-08 au
q 2.392469273140991 2.6873e-07 au
i 5.020392397048709 6.3317e-06 deg
node 142.2927002681842 9.4652e-05 deg
peri 225.1828455438174 0.00010151 deg
M 52.48668715457421 3.3583e-05 deg
tp 2458773.102914996276
(2019-Oct-16.60291500)
0.00014656 TDB
period 1559.689800201196
4.27
3.8137e-05
1.044e-07
d
yr
n .2308151274398031 5.6438e-09 deg/d
Q 2.871619433765505 4.681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      2000-02-05  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:49:01  

Additional Information
 Earth MOID = 1.39367 au 
 Jupiter MOID = 2.56492 au 
 T_jup = 3.388 
[ 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 17.0   n/a MPO456352  

487900 (2015 TW170)          Discovered 2013-Mar-08 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TW170 = 2013 EL36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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