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101146 (1998 RK70)
Classification: Main-belt Asteroid          SPK-ID: 2101146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2707312732391976 3.7091e-08  
a 3.077473679026846 1.6517e-08 au
q 2.244305311543791 1.167e-07 au
i 5.041012714078055 4.4326e-06 deg
node 78.40985825052286 5.9458e-05 deg
peri 340.9028951878471 6.0264e-05 deg
M 323.866582693779 8.6672e-06 deg
tp 2459198.423099598886
(2020-Dec-14.92309960)
4.768e-05 TDB
period 1971.922977883728
5.40
1.5875e-05
4.346e-08
d
yr
n .1825629114512134 1.4698e-09 deg/d
Q 3.910642046509902 2.0989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      9813 days (26.87 yr)  
   first obs. used      1993-12-17  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:09  

Additional Information
 Earth MOID = 1.25766 au 
 Jupiter MOID = 1.44953 au 
 T_jup = 3.166 
[ 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 15.3   n/a MPO453465  
diameter diameter 2.159 km 0.524 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.346   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101146 (1998 RK70)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RK70 = 2000 DW83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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