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JPL Small-Body Database Browser
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487961 (2015 TW290)
Classification: Main-belt Asteroid          SPK-ID: 2487961
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0966199566887658 6.4786e-08  
a 2.520181625478001 3.2156e-08 au
q 2.276681785976493 1.5701e-07 au
i 14.59821543212073 6.4593e-06 deg
node 267.6177090506104 2.4087e-05 deg
peri 358.0477766106061 4.1235e-05 deg
M 68.92527506764355 3.5039e-05 deg
tp 2458320.716437800924
(2018-Jul-21.21643780)
0.00014023 TDB
period 1461.32289342071
4.00
2.7968e-05
7.657e-08
d
yr
n .2463521249279144 4.7149e-09 deg/d
Q 2.763681464979509 3.5263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6348 days (17.38 yr)  
   first obs. used      2002-06-13  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:49:17  

Additional Information
 Earth MOID = 1.2604 au 
 Jupiter MOID = 2.33083 au 
 T_jup = 3.405 
[ 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 16.4   n/a MPO456353  

487961 (2015 TW290)          Discovered 2011-Oct-23 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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