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118251 (1998 BF18)
Classification: Main-belt Asteroid          SPK-ID: 2118251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729505810048429 3.7234e-08  
a 2.624393935918253 9.7961e-09 au
q 2.170503479915605 9.6429e-08 au
i 2.120748341025226 4.0016e-06 deg
node 13.37998273446811 0.00011084 deg
peri 82.38060169529199 0.00011166 deg
M 172.520208257037 1.3031e-05 deg
tp 2458456.317525442311
(2018-Dec-03.81752544)
5.4498e-05 TDB
period 1552.89454810776
4.25
8.6947e-06
2.38e-08
d
yr
n .2318251425627509 1.298e-09 deg/d
Q 3.078284391920901 1.149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      10106 days (27.67 yr)  
   first obs. used      1992-10-22  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:49  

Additional Information
 Earth MOID = 1.18829 au 
 Jupiter MOID = 2.09869 au 
 T_jup = 3.381 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.75   n/a E2021B55  

118251 (1998 BF18)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 BF18 = 1996 TX53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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