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100727 (1998 BF45)
Classification: Main-belt Asteroid          SPK-ID: 2100727
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528430651688014 4.07e-08  
a 3.079110751442406 2.2282e-08 au
q 2.608490026197738 1.2493e-07 au
i 11.40607024405332 5.5525e-06 deg
node 136.1345502337381 2.3264e-05 deg
peri 272.3726369364662 2.9897e-05 deg
M 126.9685641568746 2.0455e-05 deg
tp 2458304.466568853487
(2018-Jul-04.96656885)
0.00010894 TDB
period 1973.496643650733
5.40
2.1422e-05
5.865e-08
d
yr
n .1824173358278649 1.9801e-09 deg/d
Q 3.549731476687075 2.5688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8178 days (22.39 yr)  
   first obs. used      1997-12-08  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:14  

Additional Information
 Earth MOID = 1.64982 au 
 Jupiter MOID = 1.94101 au 
 T_jup = 3.180 
[ 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 14.4   n/a MPO432534  

100727 (1998 BF45)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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