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JPL Small-Body Database Browser
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487839 (2015 TW84)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07435041630180363 8.9997e-08  
a 3.208230892949947 8.7074e-08 au
q 2.969697590466811 2.9831e-07 au
i 5.100629352853232 9.0696e-06 deg
node 198.845346368306 8.3986e-05 deg
peri 324.5256709302651 0.0001044 deg
M 110.8838982434498 5.9536e-05 deg
tp 2457954.008474389829
(2017-Jul-19.50847439)
0.00034918 TDB
period 2098.924667210733
5.75
8.545e-05
2.339e-07
d
yr
n .1715163986701843 6.9827e-09 deg/d
Q 3.446764195433083 9.3548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4868 days (13.33 yr)  
   first obs. used      2004-12-13  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:51:39  

Additional Information
 Earth MOID = 1.97933 au 
 Jupiter MOID = 1.54068 au 
 T_jup = 3.182 
[ 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 16.3   n/a MPO446847  

487839 (2015 TW84)          Discovered 2009-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

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