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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764979289664866 5.8314e-08  
a 2.633262210632776 1.2906e-08 au
q 2.168496884030379 1.5219e-07 au
i 11.7751225733598 5.4096e-06 deg
node 277.1086224319754 2.7511e-05 deg
peri 132.1728633961301 3.1805e-05 deg
M 132.9583243762823 1.428e-05 deg
tp 2458424.061977812544
(2018-Nov-01.56197781)		 6.1111e-05 TDB
period 1560.772437235243
4.27		 1.1475e-05
3.142e-08		 d
yr
n .2306550214570069 1.6957e-09 deg/d
Q 3.098027537235173 1.5184e-08 au
   Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      8162 days (22.35 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:13  

Additional Information
 Earth MOID = 1.19894 au 
 Jupiter MOID = 2.29848 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 14.8   n/a MPO337987  

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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