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JPL Small-Body Database Browser
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487813 (2015 TD18)
Classification: Main-belt Asteroid          SPK-ID: 2487813
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938716837881605 1.2296e-07  
a 2.601773130244003 5.5983e-08 au
q 2.097362992648805 3.4136e-07 au
i 16.79557382427381 8.5921e-06 deg
node 88.14683990018688 4.0453e-05 deg
peri 312.7129550779998 4.8329e-05 deg
M 285.0922168119044 3.0469e-05 deg
tp 2458919.453231956186
(2020-Mar-10.95323196)
0.00013727 TDB
period 1532.860253198293
4.20
4.9474e-05
1.355e-07
d
yr
n .2348550686527782 7.5801e-09 deg/d
Q 3.1061832678392 6.6836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      3837 days (10.51 yr)  
   first obs. used      2007-12-15  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66956  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:51:43  

Additional Information
 Earth MOID = 1.14176 au 
 Jupiter MOID = 2.33718 au 
 T_jup = 3.328 
[ 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 17.2   n/a MPO456352  

487813 (2015 TD18)          Discovered 2011-Nov-03 by CSS at Catalina
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TD18 = 2011 WP39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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