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100602 (1997 RD9)
Classification: Main-belt Asteroid          SPK-ID: 2100602
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250315324640821 5.224e-08  
a 3.168512861923093 2.3785e-08 au
q 2.455497556972385 1.7361e-07 au
i 3.362480490485604 5.2886e-06 deg
node 316.219556201709 0.00010493 deg
peri 131.4707825933742 0.0001061 deg
M 322.9008636766132 1.4816e-05 deg
tp 2459412.796550185954
(2021-Jul-17.29655019)
8.5675e-05 TDB
period 2060.068390831112
5.64
2.3196e-05
6.351e-08
d
yr
n .174751479903423 1.9677e-09 deg/d
Q 3.881528166873801 2.9137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8524 days (23.34 yr)  
   first obs. used      1997-09-10  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:44  

Additional Information
 Earth MOID = 1.47321 au 
 Jupiter MOID = 1.35846 au 
 T_jup = 3.160 
[ 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 15.63   n/a E2021B55  
diameter diameter 3.695 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100602 (1997 RD9)          Discovered 1997-Sep-10 by Bickel, W. at Bergisch Gladbach
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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