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100691 (1997 YF7)
Classification: Main-belt Asteroid          SPK-ID: 2100691
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218237964535414 3.9228e-08  
a 2.36299404126045 9.3248e-09 au
q 1.847299031486457 9.2101e-08 au
i 4.519519056046225 4.7355e-06 deg
node 108.1467510591306 5.7534e-05 deg
peri 347.9363875755652 5.92e-05 deg
M 105.8944840973141 1.1128e-05 deg
tp 2458810.231764648464
(2019-Nov-22.73176465)		 4.1113e-05 TDB
period 1326.759990609526
3.63		 7.8534e-06
2.15e-08		 d
yr
n .2713376967559993 1.6061e-09 deg/d
Q 2.878689051034443 1.136e-08 au
   Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:54:54  

Additional Information
 Earth MOID = .864179 au 
 Jupiter MOID = 2.30288 au 
 T_jup = 3.513 
[ 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 16.87   n/a E2021B55  

100691 (1997 YF7)          Discovered 1997-Dec-25 by Saji at Saji
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1997 YF7 = 2002 CT132 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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