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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856833615822548 4.9598e-08  
a 2.591242604605862 1.9132e-08 au
q 2.110091967107488 1.2626e-07 au
i 3.376579383456706 4.6827e-06 deg
node 244.0892694568203 8.4721e-05 deg
peri 9.710842725456803 8.5714e-05 deg
M 183.539447653349 1.6497e-05 deg
tp 2459747.302346471026
(2022-Jun-16.80234647)		 7.4295e-05 TDB
period 1523.563431907571
4.17		 1.6873e-05
4.62e-08		 d
yr
n .2362881600205274 2.6168e-09 deg/d
Q 3.072393242104236 2.2684e-08 au
   Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      8730 days (23.90 yr)  
   first obs. used      1995-12-25  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:35:29  

Additional Information
 Earth MOID = 1.0956 au 
 Jupiter MOID = 1.97695 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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