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JPL Small-Body Database Browser
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20527 Dajowestrich (1999 RO48)
Classification: Main-belt Asteroid          SPK-ID: 2020527
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453185045729409 4.006e-08  
a 2.385499623814754 9.522e-09 au
q 2.038842385822681 9.3697e-08 au
i 2.439380845536852 3.8652e-06 deg
node 151.3270864221633 9.2503e-05 deg
peri 67.93531155407294 9.3288e-05 deg
M 207.0831035372575 1.2497e-05 deg
tp 2459172.137129714826
(2020-Nov-18.63712971)
4.7447e-05 TDB
period 1345.759503741152
3.68
8.0576e-06
2.206e-08
d
yr
n .2675069349309561 1.6017e-09 deg/d
Q 2.732156861806827 1.0906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1313  
   data-arc span      10419 days (28.53 yr)  
   first obs. used      1991-04-18  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51247  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:23:43  

Additional Information
 Earth MOID = 1.03276 au 
 Jupiter MOID = 2.23996 au 
 T_jup = 3.520 
[ 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 14.9   n/a MPO309314  
diameter diameter 2.934 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20527 Dajowestrich           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
David John Westrich (b. 1990) is a finalist in the 2004 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his environmental sciences project. He attends the St. Vincent de Paul Parish School, Cape Girardeau, Missouri.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RO48 = 1991 HV = 2000 UW52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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