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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961431372100066 4.4408e-08  
a 2.552695266928996 1.1018e-08 au
q 2.052001608932407 1.1881e-07 au
i 7.642494449876549 4.2041e-06 deg
node 100.0070559302587 2.6477e-05 deg
peri 13.86739950897052 2.8681e-05 deg
M 321.5788765280017 1.3265e-05 deg
tp 2459359.488036452386
(2021-May-24.98803645)
5.5491e-05 TDB
period 1489.693375691445
4.08
9.6443e-06
2.64e-08
d
yr
n .2416604691102322 1.5645e-09 deg/d
Q 3.053388924925584 1.3179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      8769 days (24.01 yr)  
   first obs. used      1997-01-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:31  

Additional Information
 Earth MOID = 1.06934 au 
 Jupiter MOID = 2.0669 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 15.21   n/a E2021B55  

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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