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JPL Small-Body Database Browser
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45500 Motegi (2000 BN3)
Classification: Main-belt Asteroid          SPK-ID: 2045500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14092148860147 4.5744e-08  
a 3.106873952229987 2.3075e-08 au
q 2.669048649984605 1.4345e-07 au
i 2.579557849645572 4.457e-06 deg
node 74.31549398864141 0.00013029 deg
peri 63.5820100403654 0.00013156 deg
M 181.9006702044209 1.9633e-05 deg
tp 2459590.063487063919
(2022-Jan-10.56348706)
0.00011391 TDB
period 2000.248152263702
5.48
2.2284e-05
6.101e-08
d
yr
n .1799776690670027 2.005e-09 deg/d
Q 3.544699254475369 2.6326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      7629 days (20.89 yr)  
   first obs. used      1998-10-17  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51587  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:09:39  

Additional Information
 Earth MOID = 1.68434 au 
 Jupiter MOID = 1.48858 au 
 T_jup = 3.203 
[ 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 14.2   n/a MPO309505  
diameter diameter 7.939 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

45500 Motegi           Discovered 2000 Jan. 27 by T. Kobayashi at Oizumi.
Japanese amateur astronomer Hiromitsu Motegi (b. 1960) has a particular interest in digital imaging. As an instructor at many meetings of observers, he has shared his knowledge with others, particularly children. He also collaborates with amateur astronomers through his web site.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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