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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07228200004462487 3.7745e-08  
a 3.221205469262119 2.8373e-08 au
q 2.988370295389169 1.3086e-07 au
i 18.19980717147856 4.672e-06 deg
node 215.0849710596154 1.166e-05 deg
peri 137.1396388552628 3.5258e-05 deg
M 334.0640671724101 3.3385e-05 deg
tp 2459548.633704475478
(2021-Nov-30.13370448)
0.00019651 TDB
period 2111.670090111872
5.78
2.79e-05
7.639e-08
d
yr
n .170481175864421 2.2524e-09 deg/d
Q 3.45404064313507 3.0424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      7941 days (21.74 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:03:08  

Additional Information
 Earth MOID = 2.00991 au 
 Jupiter MOID = 1.92015 au 
 T_jup = 3.106 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457578.5 (2016-Jul-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07219194128104391 3.8248e-08  
q 2.98510732076661 1.3203e-07 au
tp 2457455.219139296137
(2016-Mar-07.71913930)
0.00018835 TDB
node 215.2253294863584 1.1647e-05 deg
peri 139.4338208350436 3.5079e-05 deg
i 18.21381583566857 4.6762e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      7941 days (21.74 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:03:08  

Additional Information
 Jupiter MOID = 1.92015 au 
 T_jup = 3.106 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.462879689205997E-15 -4.957969942487799E-15 1.93946773492723E-12 -2.555760154529365E-15 3.873839879339089E-13 -1.03549455201053E-15
q -4.957969942487799E-15 1.743220501263796E-14 -5.291142401476426E-12 7.833990924259913E-15 -1.085480619494976E-12 5.929786042327242E-15
tp 1.93946773492723E-12 -5.291142401476426E-12 3.547603566258109E-8 -2.376139567797841E-11 6.244118360965339E-9 2.177026910394299E-11
node -2.555760154529365E-15 7.833990924259913E-15 -2.376139567797841E-11 1.356480099316022E-10 -1.328388466437516E-10 1.30381838313901E-11
peri 3.873839879339089E-13 -1.085480619494976E-12 6.244118360965339E-9 -1.328388466437516E-10 1.230514406054217E-9 -8.55762135789431E-12
i -1.03549455201053E-15 5.929786042327242E-15 2.177026910394299E-11 1.30381838313901E-11 -8.55762135789431E-12 2.186696055758163E-11

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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