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193995 (2001 RK151)
Classification: Main-belt Asteroid          SPK-ID: 2193995
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301597869007457 4.0791e-08  
a 2.332901779556727 1.2228e-08 au
q 2.029251781069253 9.1325e-08 au
i 6.951583698907479 4.0453e-06 deg
node 102.5905268668178 3.9159e-05 deg
peri 232.5149221978891 4.5648e-05 deg
M 108.4469870684392 2.026e-05 deg
tp 2458608.434978105594
(2019-May-04.93497811)
7.3402e-05 TDB
period 1301.496811459712
3.56
1.0233e-05
2.802e-08
d
yr
n .2766045962081436 2.1748e-09 deg/d
Q 2.636551778044201 1.382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:13:14  

Additional Information
 Earth MOID = 1.02731 au 
 Jupiter MOID = 2.69659 au 
 T_jup = 3.548 
[ 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 MPO503021  

193995 (2001 RK151)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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