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JPL Small-Body Database Browser
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146444 (2001 RB)
Classification: Main-belt Asteroid          SPK-ID: 2146444
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3082133178710306 3.8345e-08  
a 2.643805487404995 8.6273e-09 au
q 1.828949426326264 1.0136e-07 au
i 10.60766424801244 4.9719e-06 deg
node 330.5542630595625 2.5002e-05 deg
peri 68.47236880519772 2.811e-05 deg
M 30.52303885586101 7.9613e-06 deg
tp 2458467.372448299808
(2018-Dec-14.87244830)		 3.462e-05 TDB
period 1570.155541798767
4.30		 7.6856e-06
2.104e-08		 d
yr
n .2292766483424851 1.1223e-09 deg/d
Q 3.458661548483725 1.1286e-08 au
   Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1998-01-26  
   last obs. used      2019-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48795  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:41:43  

Additional Information
 Earth MOID = .865793 au 
 Jupiter MOID = 2.14071 au 
 T_jup = 3.301 
[ 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 MPO453929  

146444 (2001 RB)          Discovered 2001-Sep-02 by Hug, G. at Eskridge
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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