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JPL Small-Body Database Browser
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487930 (2015 TJ209)
Classification: Main-belt Asteroid          SPK-ID: 2487930
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05957899330155906 8.2174e-08  
a 2.809472345657039 6.0134e-08 au
q 2.642086811594223 2.6357e-07 au
i 5.705462106629682 7.2908e-06 deg
node 59.68971515971354 8.0534e-05 deg
peri 256.7365969520283 0.00011797 deg
M 332.9547534168852 8.0442e-05 deg
tp 2458729.718297254071
(2019-Sep-03.21829725)
0.00038189 TDB
period 1720.028207859223
4.71
5.5223e-05
1.512e-07
d
yr
n .2092988930966791 6.7198e-09 deg/d
Q 2.976857879719855 6.3717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      6489 days (17.77 yr)  
   first obs. used      2001-11-17  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:48  

Additional Information
 Earth MOID = 1.63497 au 
 Jupiter MOID = 2.18868 au 
 T_jup = 3.312 
[ 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 16.5   n/a MPO450510  
diameter diameter 2.918 km 0.627 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

487930 (2015 TJ209)          Discovered 2006-Nov-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TJ209 = 2010 MO17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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