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20288 Nachbaur (1998 FR62)
Classification: Main-belt Asteroid          SPK-ID: 2020288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .1559386235564033 3.4272e-08  
a 2.387988408307462 8.8454e-09 au
q 2.01560878284735 8.4673e-08 au
i 1.744718733877853 3.6287e-06 deg
node 231.1380120974005 0.00013031 deg
peri 54.69448379596862 0.00013098 deg
M 286.2906976647428 1.5816e-05 deg
tp 2459276.472970463010
(2021-Mar-02.97297046)
6.0011e-05 TDB
period 1347.866093139803
3.69
7.489e-06
2.05e-08
d
yr
n .2670888464605513 1.484e-09 deg/d
Q 2.760368033767574 1.0225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1245  
   data-arc span      8864 days (24.27 yr)  
   first obs. used      1996-01-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:10:50  

Additional Information
 Earth MOID = .99981 au 
 Jupiter MOID = 2.38539 au 
 T_jup = 3.517 
[ 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 15.3   n/a MPO319338  
diameter diameter 5.018 km 0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20288 Nachbaur           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Moriah Katherine Nachbaur (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for her botany project. She attends the Crystal Springs Uplands School, Hillsborough, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

[ show close-approach data ]
Alternate Designations
 1998 FR62 = 1999 TH31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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