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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451524505403592 3.0141e-08  
a 2.385180465639424 8.0284e-09 au
q 2.038965676070867 7.3143e-08 au
i 2.439661696400861 3.5707e-06 deg
node 151.3192549365959 7.7767e-05 deg
peri 68.01336457238467 7.8663e-05 deg
M 314.0007546655696 1.2609e-05 deg
tp 2459172.420829766352
(2020-Nov-18.92082977)
4.7327e-05 TDB
period 1345.489437183458
3.68
6.7933e-06
1.86e-08
d
yr
n .2675606289066049 1.3509e-09 deg/d
Q 2.731395255207981 9.1938e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1583  
   data-arc span      10601 days (29.02 yr)  
   first obs. used      1991-04-18  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:13:22  

Additional Information
 Earth MOID = 1.03274 au 
 Jupiter MOID = 2.24001 au 
 T_jup = 3.520 
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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

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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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