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100402 (1995 YP20)
Classification: Main-belt Asteroid          SPK-ID: 2100402
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855098678137849 4.7746e-08  
a 2.591550678994901 1.8248e-08 au
q 2.110792455101833 1.2266e-07 au
i 3.376042812267912 4.62e-06 deg
node 244.084580117972 8.3307e-05 deg
peri 9.730334432102188 8.4322e-05 deg
M 230.76364885427 1.6673e-05 deg
tp 2459747.541372282855
(2022-Jun-17.04137228)		 7.3721e-05 TDB
period 1523.835146039982
4.17		 1.6094e-05
4.406e-08		 d
yr
n .2362460276202045 2.4952e-09 deg/d
Q 3.07230890288797 2.1633e-08 au
   Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      9156 days (25.07 yr)  
   first obs. used      1995-12-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:09  

Additional Information
 Earth MOID = 1.09469 au 
 Jupiter MOID = 1.97601 au 
 T_jup = 3.392 
[ 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 16.2   n/a MPO453458  

100402 (1995 YP20)          Discovered 1995-Dec-25 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1995 YP20 = 2002 TB106 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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