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4113 Rascana (1982 BQ)
Classification: Main-belt Asteroid          SPK-ID: 2004113
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0952931369814357 2.7292e-08  
a 2.261081425364755 6.1494e-09 au
q 2.045615883371291 6.0075e-08 au
i 6.35182444460626 2.8661e-06 deg
node 128.7193068861223 2.8178e-05 deg
peri 48.5087523048799 3.2879e-05 deg
M 54.94779442261797 1.6596e-05 deg
tp 2458810.951437877515
(2019-Nov-23.45143788)
5.7233e-05 TDB
period 1241.860261747035
3.40
5.0662e-06
1.387e-08
d
yr
n .2898876879219535 1.1826e-09 deg/d
Q 2.476546967358218 6.7354e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2794  
   data-arc span      20336 days (55.68 yr)  
   first obs. used      1965-01-11  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:54:21  

Additional Information
 Earth MOID = 1.05676 au 
 Jupiter MOID = 2.49393 au 
 T_jup = 3.606 
[ 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 13.5   n/a MPO347555  
diameter diameter 7.264 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.416 h n/a LCDB (Rev. 2019-August); 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 0.122   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4113 Rascana (1982 BQ)          Discovered 1982-Jan-18 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 BQ = 1965 AD1 = 1986 JO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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