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(2008 YJ172)
Classification: Outer Main-belt Asteroid          SPK-ID: 3506768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4738367754147506 1.0784e-06  
a 4.403339474921563 3.2539e-05 au
q 2.316875297068249 2.1623e-05 au
i 7.386715781434475 0.00020258 deg
node 245.3254063353471 0.00036177 deg
peri 233.2329357645918 0.0016152 deg
M 146.1987028902257 0.0016655 deg
tp 2457829.893779529813
(2017-Mar-17.39377953)
0.00061042 TDB
period 3374.983701050712
9.24
0.03741
0.0001024
d
yr
n .1066671817964406 1.1823e-06 deg/d
Q 6.489803652774878 4.7957e-05 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      2993 days (8.19 yr)  
   first obs. used      2008-12-29  
   last obs. used      2017-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .49686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:27:02  

Additional Information
 Earth MOID = 1.34197 au 
 Jupiter MOID = .09162 au 
 T_jup = 2.788 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO437963  

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