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201558 (2003 RC27)
Classification: Main-belt Asteroid          SPK-ID: 2201558
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2782181278113849 4.7874e-08  
a 2.674433253371847 2.0499e-08 au
q 1.93035744066222 1.3186e-07 au
i 13.05929365314701 4.68e-06 deg
node 131.3495491482514 2.5436e-05 deg
peri 268.1261881586627 2.6689e-05 deg
M 279.584785545487 1.122e-05 deg
tp 2459357.346791207887
(2021-May-22.84679121)
5.2839e-05 TDB
period 1597.519147418376
4.37
1.8367e-05
5.029e-08
d
yr
n .2253494116685658 2.5909e-09 deg/d
Q 3.418509066081473 2.6202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      8855 days (24.24 yr)  
   first obs. used      1996-01-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:05:39  

Additional Information
 Earth MOID = .989377 au 
 Jupiter MOID = 2.19613 au 
 T_jup = 3.287 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457059.5 (2015-Feb-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .281419939132783 4.8024e-08  
q 1.91807695100896 1.3241e-07 au
tp 2457762.124517099851
(2017-Jan-08.62451710)
4.0266e-05 TDB
node 131.5026791279308 2.5521e-05 deg
peri 268.1175486896899 2.6717e-05 deg
i 13.04918271078559 4.6764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      8855 days (24.24 yr)  
   first obs. used      1996-01-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:05:39  

Additional Information
 Jupiter MOID = 2.19613 au 
 T_jup = 3.287 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.306262392832436E-15 -6.322492908722731E-15 5.122717608017363E-14 -1.034364253265812E-14 2.761052831708666E-14 -4.784352394856984E-15
q -6.322492908722731E-15 1.75311897282234E-14 1.698811543795815E-13 2.793163314039394E-14 -3.758431005205596E-14 1.481036300657981E-14
tp 5.122717608017363E-14 1.698811543795815E-13 1.621369970811225E-9 -1.500255592696611E-11 3.541601443258832E-10 1.505575515110068E-12
node -1.034364253265812E-14 2.793163314039394E-14 -1.500255592696611E-11 6.513234107869398E-10 -6.375265851331414E-10 -1.958938530699066E-11
peri 2.761052831708666E-14 -3.758431005205596E-14 3.541601443258832E-10 -6.375265851331414E-10 7.137879943400931E-10 1.914153677482911E-11
i -4.784352394856984E-15 1.481036300657981E-14 1.505575515110068E-12 -1.958938530699066E-11 1.914153677482911E-11 2.186846573495561E-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 15.8   n/a MPO436980  

201558 (2003 RC27)          Discovered 2003-Sep-01 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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