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101938 (1999 RK23)
Classification: Main-belt Asteroid          SPK-ID: 2101938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166020499435401 4.139e-08  
a 2.292566971994568 8.734e-09 au
q 1.79599226622769 9.5298e-08 au
i 23.67182307305655 6.3853e-06 deg
node 171.2782285282669 9.0539e-06 deg
peri 67.47620537324275 1.5932e-05 deg
M 139.4110818220675 1.4184e-05 deg
tp 2458709.505903308166
(2019-Aug-14.00590331)
4.9095e-05 TDB
period 1267.889700724503
3.47
7.2454e-06
1.984e-08
d
yr
n .2839363706435088 1.6226e-09 deg/d
Q 2.789141677761446 1.0626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1223  
   data-arc span      10331 days (28.28 yr)  
   first obs. used      1992-09-22  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:30  

Additional Information
 Earth MOID = .89956 au 
 Jupiter MOID = 2.40531 au 
 T_jup = 3.457 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.16   n/a E2021B55  

101938 (1999 RK23)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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