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90397 Rasch (2003 YW4)
Classification: Main-belt Asteroid          SPK-ID: 2090397
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2667041713360429 5.7533e-08  
a 2.531660674453939 1.0777e-08 au
q 1.856456212169654 1.4705e-07 au
i 6.30511647577916 5.6056e-06 deg
node 194.389124700951 3.6383e-05 deg
peri 169.7198751229542 3.803e-05 deg
M 74.77128180512565 1.0318e-05 deg
tp 2458694.910100774988
(2019-Jul-30.41010077)
4.2396e-05 TDB
period 1471.31841350168
4.03
9.3951e-06
2.572e-08
d
yr
n .2446785119362533 1.5624e-09 deg/d
Q 3.206865136738224 1.3652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      7892 days (21.61 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:10:51  

Additional Information
 Earth MOID = .855012 au 
 Jupiter MOID = 2.25976 au 
 T_jup = 3.392 
[ 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 16.0   n/a MPO502686  

90397 Rasch           Discovered 2003 Dec. 16 by the Catalina Sky Survey.
Charlie Rasch (1937-2011) was a well-known Jazz/Ragtime pianist in the Detroit area of Michigan. He was featured in about a dozen albums in the last 50 years.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110615/MPCPages.arcLast Updated: 2013-03-28

Alternate Designations
 2003 YW4 = 1998 MW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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