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215979 (2005 RD11)
Classification: Main-belt Asteroid          SPK-ID: 2215979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0794183760851625 4.6958e-08  
a 3.149106224009175 3.4074e-08 au
q 2.899009321578688 1.6381e-07 au
i 12.09153071589698 5.9917e-06 deg
node 215.0833820787375 2.0783e-05 deg
peri 112.6864264349004 4.3288e-05 deg
M 328.0375380713884 3.9282e-05 deg
tp 2459577.724585564811
(2021-Dec-29.22458556)
0.00022378 TDB
period 2041.171013329568
5.59
3.3129e-05
9.07e-08
d
yr
n .1763693476191229 2.8626e-09 deg/d
Q 3.399203126439661 3.6781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      9760 days (26.72 yr)  
   first obs. used      1994-10-27  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:40:49  

Additional Information
 Earth MOID = 1.91577 au 
 Jupiter MOID = 1.90534 au 
 T_jup = 3.169 
[ 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 14.99   n/a MPO638136  
diameter diameter 4.870 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215979 (2005 RD11)          Discovered 2005-Sep-10 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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