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100693 (1997 YP9)
Classification: Main-belt Asteroid          SPK-ID: 2100693
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765821565088984 5.7904e-08  
a 2.63296519946037 1.2778e-08 au
q 2.168030526526776 1.5095e-07 au
i 11.77527398453546 5.0962e-06 deg
node 277.10666236 2.7494e-05 deg
peri 132.1315547554959 3.1369e-05 deg
M 179.1487636773095 1.3964e-05 deg
tp 2458423.935702579266
(2018-Nov-01.43570258)		 5.9161e-05 TDB
period 1560.508380482185
4.27		 1.136e-05
3.11e-08		 d
yr
n .230694051055825 1.6794e-09 deg/d
Q 3.097899872393965 1.5034e-08 au
   Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:46  

Additional Information
 Earth MOID = 1.19778 au 
 Jupiter MOID = 2.29952 au 
 T_jup = 3.347 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.87   n/a E2021B55  

100693 (1997 YP9)          Discovered 1997-Dec-26 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 YP9 = 2001 QR149 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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