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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114812564611665 4.1755e-08  
a 2.615990905555398 1.3115e-08 au
q 2.062757861957558 1.054e-07 au
i 8.083773284946934 4.5662e-06 deg
node 121.2169577919437 2.7897e-05 deg
peri 333.8768585583422 2.9774e-05 deg
M 118.1270216390658 1.1498e-05 deg
tp 2458493.393093991019
(2019-Jan-09.89309399)
4.7216e-05 TDB
period 1545.442216608458
4.23
1.1621e-05
3.182e-08
d
yr
n .2329430347710031 1.7517e-09 deg/d
Q 3.169223949153239 1.5888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      9573 days (26.21 yr)  
   first obs. used      1994-02-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:18:43  

Additional Information
 Earth MOID = 1.08292 au 
 Jupiter MOID = 2.02185 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 15.7   n/a MPO432685  

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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