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382911 (2004 RA191)
Classification: Main-belt Asteroid          SPK-ID: 2382911
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 .3098872738901747 1.4144e-07  
a 2.642251729742232 1.2671e-08 au
q 1.823451544280813 3.7019e-07 au
i 10.99591613046436 6.0159e-06 deg
node 330.9528798157963 3.8065e-05 deg
peri 53.28644539077312 4.5491e-05 deg
M 227.5511340080951 1.0767e-05 deg
tp 2459577.672269046861
(2021-Dec-29.17226905)
4.7772e-05 TDB
period 1568.771580645842
4.30
1.1285e-05
3.09e-08
d
yr
n .2294789148664924 1.6507e-09 deg/d
Q 3.461051915203651 1.6597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1997-02-02  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54183  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:51:19  

Additional Information
 Earth MOID = .849368 au 
 Jupiter MOID = 2.13036 au 
 T_jup = 3.299 
[ 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 16.9   n/a MPO471933  

382911 (2004 RA191)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

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