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JPL Small-Body Database Browser
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487934 (2015 TH217)
Classification: Main-belt Asteroid          SPK-ID: 2487934
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091603780167896 1.4208e-07  
a 2.609327640585759 6.5526e-08 au
q 2.32449244896976 4.1708e-07 au
i 7.179176541632661 1.3248e-05 deg
node 17.6944572513713 5.4333e-05 deg
peri 29.0717572899444 0.00013842 deg
M 272.6444734337325 0.0001245 deg
tp 2458974.076229260137
(2020-May-04.57622926)
0.00054346 TDB
period 1539.541318334652
4.22
5.7992e-05
1.588e-07
d
yr
n .2338358806695868 8.8082e-09 deg/d
Q 2.894162832201758 7.2678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4305 days (11.79 yr)  
   first obs. used      2007-12-16  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67619  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:49:01  

Additional Information
 Earth MOID = 1.33576 au 
 Jupiter MOID = 2.48942 au 
 T_jup = 3.391 
[ 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 18.1   n/a MPO399180  

487934 (2015 TH217)          Discovered 2011-Sep-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TH217 = 2011 SE172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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