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190050 (2004 RF171)
Classification: Main-belt Asteroid          SPK-ID: 2190050
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086488729137373 7.0086e-08  
a 2.601840552897427 1.6057e-08 au
q 2.058969454034124 1.8831e-07 au
i 4.737285798022928 9.5146e-06 deg
node 177.777533397743 7.9869e-05 deg
peri 84.16927635193507 8.3171e-05 deg
M 12.83181836416037 2.2959e-05 deg
tp 2459145.860697434092
(2020-Oct-23.36069743)		 9.756e-05 TDB
period 1532.919837664333
4.20		 1.419e-05
3.885e-08		 d
yr
n .2348459398558779 2.1739e-09 deg/d
Q 3.14471165176073 1.9407e-08 au
   Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      9170 days (25.11 yr)  
   first obs. used      1995-05-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:01  

Additional Information
 Earth MOID = 1.04851 au 
 Jupiter MOID = 1.94855 au 
 T_jup = 3.378 
[ 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 16.86   n/a E2021B55  

190050 (2004 RF171)          Discovered 2004-Sep-09 by LINEAR at Socorro
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

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Alternate Designations
 2004 RF171 = 1995 JX 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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