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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118072431653834 3.621e-08  
a 2.408985799071408 7.7294e-09 au
q 2.124550987955492 8.6972e-08 au
i 5.762613355610535 3.1339e-06 deg
node 49.55641259749601 3.9757e-05 deg
peri 289.6769118955521 4.2003e-05 deg
M 172.3340969030367 1.3687e-05 deg
tp 2458346.739768853018
(2018-Aug-16.23976885)
5.133e-05 TDB
period 1365.682632992441
3.74
6.5728e-06
1.8e-08
d
yr
n .2636044358352712 1.2687e-09 deg/d
Q 2.693420610187323 8.642e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2994  
   data-arc span      11616 days (31.80 yr)  
   first obs. used      1988-09-02  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:02:18  

Additional Information
 Earth MOID = 1.12446 au 
 Jupiter MOID = 2.66426 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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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