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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07219384045558781 3.8159e-08  
a 3.217117933383371 2.8096e-08 au
q 2.984861834573881 1.3189e-07 au
i 18.20868611877422 4.7922e-06 deg
node 215.2177996690977 1.1811e-05 deg
peri 138.1636628141418 3.6358e-05 deg
M 265.4004706779244 3.4237e-05 deg
tp 2459554.341346017520
(2021-Dec-05.84134602)
0.00020281 TDB
period 2107.651972426671
5.77
2.761e-05
7.559e-08
d
yr
n .1708061884550653 2.2375e-09 deg/d
Q 3.44937403219286 3.0124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      7660 days (20.97 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50918  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:20:25  

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1976-Jun-25 09:10 00:01 Jupiter 1.95892221433208 1.95892173477475 1.95892269388987 6.45614601677677 6.38882126558443 2442954.881961785 1.33610295455146 166.104646117619 22.2452077248262 87.411115272694 4372252.0792431 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:27 2020-Nov-12 18:20
1987-Oct-24 13:24 < 00:01 Jupiter 1.98263818354424 1.9826377263174 1.98263864077131 6.43478462415158 6.36804627257543 2447093.058331869 0.96434375106581 121.555252942775 21.0114546596392 -86.4644894013919 4417417.64347323 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:27 2020-Nov-12 18:20

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