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120680 (1997 BT5)
Classification: Main-belt Asteroid          SPK-ID: 2120680
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03364763549149334 3.5353e-08  
a 2.849254584341241 1.7391e-08 au
q 2.753383904664861 1.038e-07 au
i 1.3211908326443 4.0811e-06 deg
node 333.0346690090569 0.00017186 deg
peri 149.9958192368963 0.00018382 deg
M 7.677564730769578 6.3906e-05 deg
tp 2459163.035814391210
(2020-Nov-09.53581439)		 0.00031184 TDB
period 1756.690733600946
4.81		 1.6083e-05
4.403e-08		 d
yr
n .2049307787159869 1.8762e-09 deg/d
Q 2.945125264017622 1.7976e-08 au
   Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      8753 days (23.96 yr)  
   first obs. used      1997-01-31  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:37:24  

Additional Information
 Earth MOID = 1.76888 au 
 Jupiter MOID = 2.06107 au 
 T_jup = 3.305 
[ 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 15.5   n/a MPO453677  

120680 (1997 BT5)          Discovered 1997-Jan-31 by Comba, P. G. at Prescott
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1997 BT5 = 2000 WD91 = 2002 CJ118 = 2002 CJ133 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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