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100518 (1997 BL)
Classification: Main-belt Asteroid          SPK-ID: 2100518
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196034817800533 4.4824e-08  
a 2.552280718366654 1.4033e-08 au
q 2.051944832765834 1.1916e-07 au
i 7.642563845721386 4.969e-06 deg
node 100.0059988102815 2.7317e-05 deg
peri 13.90086666657149 2.9708e-05 deg
M 273.1993983692116 1.508e-05 deg
tp 2459359.596622831398
(2021-May-25.09662283)		 6.4459e-05 TDB
period 1489.330509126902
4.08		 1.2283e-05
3.363e-08		 d
yr
n .2417193482533603 1.9936e-09 deg/d
Q 3.052616603967475 1.6784e-08 au
   Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-01-15  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:19  

Additional Information
 Earth MOID = 1.06939 au 
 Jupiter MOID = 2.06781 au 
 T_jup = 3.400 
[ 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 15.1   n/a MPO449610  

100518 (1997 BL)          Discovered 1997-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1997 BL = 2001 BM2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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