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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09228401278607823 4.9396e-08  
a 2.616232045733782 1.2226e-08 au
q 2.374795654173938 1.2741e-07 au
i 13.71767165274713 4.9735e-06 deg
node 213.0576754787772 1.6295e-05 deg
peri 153.581232893281 2.6915e-05 deg
M 162.6426439331022 2.145e-05 deg
tp 2458698.195656898030
(2019-Aug-02.69565690)
9.127e-05 TDB
period 1545.655908176887
4.23
1.0835e-05
2.966e-08
d
yr
n .232910829697292 1.6327e-09 deg/d
Q 2.857668437293626 1.3354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:03:19  

Additional Information
 Earth MOID = 1.38187 au 
 Jupiter MOID = 2.56832 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457649.5 (2016-Sep-18.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09283627049737787 4.9653e-08  
q 2.372626230034259 1.281e-07 au
tp 2457146.815559509182
(2015-May-04.31555951)
8.9351e-05 TDB
node 213.1011255472841 1.6299e-05 deg
peri 152.2961213449722 2.6749e-05 deg
i 13.71591122472289 4.9752e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:03:19  

Additional Information
 Jupiter MOID = 2.56832 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.465420266974696E-15 -6.3376781553174E-15 6.679437962354734E-13 7.437917258236404E-16 9.040975510431737E-14 5.536014502917925E-15
q -6.3376781553174E-15 1.640866884205642E-14 -1.694687214474481E-12 -2.004874988330825E-15 -2.182798417583248E-13 -1.404735106457382E-14
tp 6.679437962354734E-13 -1.694687214474481E-12 7.983656528607322E-9 -1.066093884275896E-11 1.902691608045412E-9 1.583994249804572E-13
node 7.437917258236404E-16 -2.004874988330825E-15 -1.066093884275896E-11 2.656477912629488E-10 -2.602243186485011E-10 -1.078223901219182E-11
peri 9.040975510431737E-14 -2.182798417583248E-13 1.902691608045412E-9 -2.602243186485011E-10 7.154877977951558E-10 1.028903005900646E-11
i 5.536014502917925E-15 -1.404735106457382E-14 1.583994249804572E-13 -1.078223901219182E-11 1.028903005900646E-11 2.475299541637512E-11

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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