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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03361095302174013 3.5798e-08  
a 2.849037356017325 1.8734e-08 au
q 2.753278495287045 1.0627e-07 au
i 1.321150954947685 4.1178e-06 deg
node 333.0358570833568 0.00018132 deg
peri 150.2386892831723 0.00019341 deg
M 326.459670916705 6.6624e-05 deg
tp 2459164.147909182373
(2020-Nov-10.64790918)		 0.00032524 TDB
period 1756.489841210189
4.81		 1.7325e-05
4.743e-08		 d
yr
n .2049542169580478 2.0215e-09 deg/d
Q 2.944796216747606 1.9363e-08 au
   Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      8342 days (22.84 yr)  
   first obs. used      1997-01-31  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:01:57  

Additional Information
 Earth MOID = 1.76882 au 
 Jupiter MOID = 2.06195 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

[ show close-approach data ]
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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