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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457508.5 (2016-Apr-30.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07774983677986035 4.7113e-08  
q 2.904257663370752 1.6402e-07 au
tp 2457541.996487721713
(2016-Jun-02.49648772)
0.00021734 TDB
node 215.1218664495978 2.0778e-05 deg
peri 113.445416402173 4.3854e-05 deg
i 12.09248082420309 5.992e-06 deg
  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
 Jupiter MOID = 1.90534 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.219645645073332E-15 -7.603968489772847E-15 1.390187225214175E-12 -2.685863788188901E-15 3.110929639455599E-13 -2.095536436253725E-15
q -7.603968489772847E-15 2.690166059279977E-14 -2.735805587319463E-12 2.71925747028395E-15 -7.092238088286599E-13 9.21183658359385E-15
tp 1.390187225214175E-12 -2.735805587319463E-12 4.723771868528991E-8 -6.404343510354158E-11 8.408199696958757E-9 7.392452691271424E-12
node -2.685863788188901E-15 2.71925747028395E-15 -6.404343510354158E-11 4.317141147372161E-10 -4.331160035133237E-10 -7.211794497698716E-13
peri 3.110929639455599E-13 -7.092238088286599E-13 8.408199696958757E-9 -4.331160035133237E-10 1.92318648076315E-9 1.940354231460552E-12
i -2.095536436253725E-15 9.21183658359385E-15 7.392452691271424E-12 -7.211794497698716E-13 1.940354231460552E-12 3.590395700002733E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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