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55603 (2002 RE117)
Classification: Main-belt Asteroid          SPK-ID: 2055603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09214993269187986 4.9788e-08  
a 2.616444407708063 1.2274e-08 au
q 2.375339231645719 1.2862e-07 au
i 13.71658083260352 5.1371e-06 deg
node 213.0659413633593 1.638e-05 deg
peri 153.5584335243336 2.7455e-05 deg
M 117.0217383816444 2.1842e-05 deg
tp 2458698.007320862033
(2019-Aug-02.50732086)
9.3304e-05 TDB
period 1545.844105474707
4.23
1.0878e-05
2.978e-08
d
yr
n .2328824741932493 1.6387e-09 deg/d
Q 2.857549583770406 1.3405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:31:44  

Additional Information
 Earth MOID = 1.38179 au 
 Jupiter MOID = 2.56895 au 
 T_jup = 3.361 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.15   n/a MPCxxxxx  
diameter diameter 3.314 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

55603 (2002 RE117)          Discovered 2002-Sep-07 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RE117 = 2001 MS27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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