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117212 (2004 RE214)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117212
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07219384458932254 3.894e-08  
a 3.217117937108062 2.894e-08 au
q 2.98486182473096 1.3318e-07 au
i 18.20868451950988 4.9719e-06 deg
node 215.2178022447453 1.2042e-05 deg
peri 138.1636616928145 3.64e-05 deg
M 265.4004686467014 3.4307e-05 deg
tp 2459554.341358871330
(2021-Dec-05.84135887)
0.00020333 TDB
period 2107.651976086944
5.77
2.8439e-05
7.786e-08
d
yr
n .1708061881584331 2.3048e-09 deg/d
Q 3.449374049485163 3.1029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:49:22  

Additional Information
 Earth MOID = 2.00641 au 
 Jupiter MOID = 1.92928 au 
 T_jup = 3.107 
[ 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 14.4   n/a MPO432677  
diameter diameter 3.835 km 0.634 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.363   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117212 (2004 RE214)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2004 RE214 = 2002 GP167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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