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JPL Small-Body Database Browser
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11031 (1988 RC5)
Classification: Main-belt Asteroid          SPK-ID: 2011031
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178200417818329 3.7574e-08  
a 2.409196896549771 8.3933e-09 au
q 2.125345217537614 9.1092e-08 au
i 5.763100092191618 3.6265e-06 deg
node 49.56544010035275 4.0551e-05 deg
peri 289.6525239180513 4.3808e-05 deg
M 66.94137127424521 1.5199e-05 deg
tp 2458346.520319110919
(2018-Aug-16.02031911)
5.7721e-05 TDB
period 1365.862147422822
3.74
7.1377e-06
1.954e-08
d
yr
n .2635697904647744 1.3774e-09 deg/d
Q 2.693048575561927 9.3822e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      11407 days (31.23 yr)  
   first obs. used      1988-09-02  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40919  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:30:23  

Additional Information
 Earth MOID = 1.12435 au 
 Jupiter MOID = 2.66227 au 
 T_jup = 3.504 
[ 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 14.2   n/a MPO458936  
diameter diameter 3.573 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.408 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.381   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11031 (1988 RC5)          Discovered 1988-Sep-02 by Debehogne, H. at La Silla
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1988 RC5 = 1996 VR38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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