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487998 (2015 TD345)
Classification: Main-belt Asteroid          SPK-ID: 2487998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2205285613318483 9.141e-08  
a 2.696073798395499 3.7715e-08 au
q 2.101512522390848 2.5389e-07 au
i 11.00707497183979 1.0027e-05 deg
node 37.11992954754958 4.0246e-05 deg
peri 118.7823298603826 4.5406e-05 deg
M 268.7344650455427 1.7166e-05 deg
tp 2459410.421213316627
(2021-Jul-14.92121332)
7.8614e-05 TDB
period 1616.948137844433
4.43
3.3929e-05
9.289e-08
d
yr
n .2226416491501817 4.6718e-09 deg/d
Q 3.29063507440015 4.6032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      12266 days (33.58 yr)  
   first obs. used      1986-03-04  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:49:33  

Additional Information
 Earth MOID = 1.13497 au 
 Jupiter MOID = 1.77424 au 
 T_jup = 3.308 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO456353  

487998 (2015 TD345)          Discovered 2006-Sep-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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