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1159 Granada (1929 RD)
Classification: Main-belt Asteroid          SPK-ID: 2001159
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05890025050602159 3.6415e-08  
a 2.37943633875867 7.1793e-09 au
q 2.239286942342653 8.7094e-08 au
i 13.03094729118541 4.7355e-06 deg
node 347.8713557342117 1.4722e-05 deg
peri 313.4108395571691 4.0926e-05 deg
M 303.6193555905757 4.0043e-05 deg
tp 2459210.460257274402
(2020-Dec-26.96025727)
0.0001494 TDB
period 1340.631938682668
3.67
6.0675e-06
1.661e-08
d
yr
n .2685300786983661 1.2153e-09 deg/d
Q 2.519585735174686 7.6021e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2671  
   data-arc span      32999 days (90.35 yr)  
   first obs. used      1929-09-02  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:53:10  

Additional Information
 Earth MOID = 1.24311 au 
 Jupiter MOID = 2.65648 au 
 T_jup = 3.502 
[ 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 11.6   n/a MPO502164 IRAS observations used: 16
diameter diameter 28.641 km 0.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31. 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:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
geometric albedo albedo 0.038   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.680   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.07 deg.
U-B UB 0.360   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.07 deg.

1159 Granada (1929 RD)          Discovered 1929-Sep-02 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1929 RD = 1931 AR = 1940 RS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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