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JPL Small-Body Database Browser
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487894 (2015 TW155)
Classification: Main-belt Asteroid          SPK-ID: 2487894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04729189235724262 5.5388e-08  
a 2.283152731966863 2.6303e-08 au
q 2.175178118731541 1.2565e-07 au
i 6.878462271701055 7.944e-06 deg
node 11.40631864659569 4.3359e-05 deg
peri 122.672604035355 9.3918e-05 deg
M 255.319212042735 8.2669e-05 deg
tp 2458966.908344929266
(2020-Apr-27.40834493)
0.00028898 TDB
period 1260.087994641247
3.45
2.1775e-05
5.962e-08
d
yr
n .2856943336742873 4.937e-09 deg/d
Q 2.391127345202184 2.7547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6167 days (16.88 yr)  
   first obs. used      2001-09-19  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:50:27  

Additional Information
 Earth MOID = 1.19639 au 
 Jupiter MOID = 2.60442 au 
 T_jup = 3.593 
[ 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 17.6   n/a MPO456352  

487894 (2015 TW155)          Discovered 2008-Sep-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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