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56948 (2000 RR98)
Classification: Main-belt Asteroid          SPK-ID: 2056948
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03193462186505538 4.1205e-08  
a 3.14482952868072 2.65e-08 au
q 3.044400586852241 1.3e-07 au
i 21.6394400220944 5.9222e-06 deg
node 314.19202193834 1.2138e-05 deg
peri 85.73969824691774 9.8051e-05 deg
M 153.9654772886737 9.5405e-05 deg
tp 2458129.305867552418
(2018-Jan-10.80586755)		 0.00054002 TDB
period 2037.014356751527
5.58		 2.5747e-05
7.049e-08		 d
yr
n .1767292404232733 2.2338e-09 deg/d
Q 3.245258470509199 2.7346e-08 au
   Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      8358 days (22.88 yr)  
   first obs. used      1997-03-13  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:58:56  

Additional Information
 Earth MOID = 2.10249 au 
 Jupiter MOID = 1.9308 au 
 T_jup = 3.099 
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Orbital Elements at Epoch 2457107.5 (2015-Mar-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0320164550423782 4.0576e-08  
q 3.044106183656653 1.2808e-07 au
tp 2456105.653402768447
(2012-Jun-27.15340277)		 0.00054454 TDB
node 314.2115140166138 1.214e-05 deg
peri 88.30966347656098 9.8608e-05 deg
i 21.63809238740746 5.9218e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      8358 days (22.88 yr)  
   first obs. used      1997-03-13  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:58:56  

Additional Information
 Jupiter MOID = 1.9308 au 
 T_jup = 3.099 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.646374865422204E-15 -5.093159843169913E-15 -5.264494154618693E-12 -9.61494427138625E-16 -9.510230885201963E-13 -9.683050382139352E-15
q -5.093159843169913E-15 1.640457022684285E-14 1.541729488275594E-11 6.362201710560854E-15 2.838036108289642E-12 3.14035902474284E-14
tp -5.264494154618693E-12 1.541729488275594E-11 2.965208723822308E-7 -7.161249110090034E-11 5.329890113207133E-8 3.83879944348634E-11
node -9.61494427138625E-16 6.362201710560854E-15 -7.161249110090034E-11 1.473736170922323E-10 -1.49099800399696E-10 1.46468424619388E-11
peri -9.510230885201963E-13 2.838036108289642E-12 5.329890113207133E-8 -1.49099800399696E-10 9.72362801524171E-9 -6.530290580202903E-12
i -9.683050382139352E-15 3.14035902474284E-14 3.83879944348634E-11 1.46468424619388E-11 -6.530290580202903E-12 3.506727178928806E-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 14.0   n/a MPO390098  
diameter diameter 8.300 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56948 (2000 RR98)          Discovered 2000-Sep-05 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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