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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05908124481868202 8.2327e-08  
a 2.808127574639798 5.984e-08 au
q 2.642219901920412 2.6391e-07 au
i 5.705137395529335 7.2904e-06 deg
node 59.68205690846957 8.0558e-05 deg
peri 256.9240110487343 0.00011842 deg
M 56.5557253252362 7.9462e-05 deg
tp 2458730.478867848054
(2019-Sep-03.97886785)
0.00038445 TDB
period 1718.79340271364
4.71
5.494e-05
1.504e-07
d
yr
n .2094492563397266 6.6949e-09 deg/d
Q 2.974035247359184 6.3375e-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 = 1.63596 au 
 Jupiter MOID = 2.19076 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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