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118250 (1998 BY1)
Classification: Main-belt Asteroid          SPK-ID: 2118250
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110740776187904 4.0589e-08  
a 2.616837110993152 1.3026e-08 au
q 2.064490631511652 1.0205e-07 au
i 8.084005831973611 4.1525e-06 deg
node 121.2148604156592 2.7547e-05 deg
peri 333.9047398248159 2.9243e-05 deg
M 164.6944042369919 1.1478e-05 deg
tp 2458493.141128184456
(2019-Jan-09.64112818)
4.6055e-05 TDB
period 1546.192143159647
4.23
1.1545e-05
3.161e-08
d
yr
n .2328300538795516 1.7384e-09 deg/d
Q 3.169183590474652 1.5775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      9654 days (26.43 yr)  
   first obs. used      1994-02-08  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:50  

Additional Information
 Earth MOID = 1.08443 au 
 Jupiter MOID = 2.02168 au 
 T_jup = 3.361 
[ 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 15.79   n/a E2021B55  

118250 (1998 BY1)          Discovered 1998-Jan-19 by Kawasato, N. at Uenohara
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 BY1 = 1994 CV19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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