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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 ]

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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118378049542813 2.9897e-08  
a 2.408324823095673 7.0595e-09 au
q 2.123232027872068 7.3476e-08 au
i 5.763287747710018 3.1177e-06 deg
node 49.54966629434666 3.1806e-05 deg
peri 289.7552946531034 3.4357e-05 deg
M 276.6800806456413 1.36e-05 deg
tp 2459712.449272795442
(2022-May-12.94927280)
5.2061e-05 TDB
period 1365.120598864441
3.74
6.0024e-06
1.643e-08
d
yr
n .2637129644805461 1.1595e-09 deg/d
Q 2.69341761831928 7.8952e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3319  
   data-arc span      12029 days (32.93 yr)  
   first obs. used      1988-09-02  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:26:30  

Additional Information
 Earth MOID = 1.12237 au 
 Jupiter MOID = 2.66359 au 
 T_jup = 3.505 
[ 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 14.25   n/a MPO636233  
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

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