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215981 (2005 RR26)
Classification: Main-belt Asteroid          SPK-ID: 2215981
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020718747526755 1.2836e-07  
a 2.973305700748179 3.2833e-08 au
q 2.372484243585177 3.9704e-07 au
i 2.876220779965513 9.3203e-06 deg
node 162.5459820743368 0.00010438 deg
peri 187.4848802897105 0.00010587 deg
M 321.1920590564461 1.9682e-05 deg
tp 2459202.371900719915
(2020-Dec-18.87190072)
0.00010501 TDB
period 1872.654989989638
5.13
3.1018e-05
8.492e-08
d
yr
n .1922404297237859 3.1842e-09 deg/d
Q 3.574127157911181 3.9467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2000-10-01  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:29:15  

Additional Information
 Earth MOID = 1.36649 au 
 Jupiter MOID = 1.85963 au 
 T_jup = 3.229 
[ 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 16.4   n/a MPO437032  
diameter diameter 2.871 km 0.580 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215981 (2005 RR26)          Discovered 2005-Sep-08 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Alternate Designations
 2005 RR26 = 2000 TZ43 = 2004 KE18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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