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74170 (1998 RB3)
Classification: Main-belt Asteroid          SPK-ID: 2074170
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450284516261644 6.4286e-08  
a 2.39518684058106 1.4809e-08 au
q 2.047816601736224 1.5816e-07 au
i 1.17670118872583 6.6098e-06 deg
node 182.044836498508 0.00028453 deg
peri 48.60406767013406 0.00028538 deg
M 58.83402497575419 2.612e-05 deg
tp 2458779.224371972725
(2019-Oct-22.72437197)
9.7242e-05 TDB
period 1353.965262832977
3.71
1.2557e-05
3.438e-08
d
yr
n .2658856987562235 2.4659e-09 deg/d
Q 2.742557079425896 1.6957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      17566 days (48.09 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:12:05  

Additional Information
 Earth MOID = 1.03754 au 
 Jupiter MOID = 2.24481 au 
 T_jup = 3.515 
[ 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 16.6   n/a MPO250859  

74170 (1998 RB3)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RB3 = 2002 TW229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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