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173750 (2001 RB43)
Classification: Main-belt Asteroid          SPK-ID: 2173750
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188340048355529 5.1941e-08  
a 2.718354531600743 2.2127e-08 au
q 2.395321576047753 1.4026e-07 au
i 10.01218153859318 5.4124e-06 deg
node 280.104763518123 3.8043e-05 deg
peri 346.3918570962261 4.8025e-05 deg
M 130.980498182376 2.9312e-05 deg
tp 2458404.890371146974
(2018-Oct-13.39037115)
0.00013389 TDB
period 1637.03352302519
4.48
1.9988e-05
5.472e-08
d
yr
n .2199099743142282 2.685e-09 deg/d
Q 3.041387487153733 2.4756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      6646 days (18.20 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54342  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:48:20  

Additional Information
 Earth MOID = 1.38047 au 
 Jupiter MOID = 2.07207 au 
 T_jup = 3.328 
[ 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 15.5   n/a MPO454193  
diameter diameter 2.415 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173750 (2001 RB43)          Discovered 2001-Sep-07 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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