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101941 (1999 RX23)
Classification: Main-belt Asteroid          SPK-ID: 2101941
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .226910911784137 3.7514e-08  
a 2.237184637650435 7.398e-09 au
q 1.72954303169171 8.2581e-08 au
i 5.316595853227437 4.1407e-06 deg
node 33.61572346863352 4.4815e-05 deg
peri 260.6723456140751 4.602e-05 deg
M 108.9520154712702 9.6509e-06 deg
tp 2458630.600335584513
(2019-May-27.10033558)
3.2721e-05 TDB
period 1222.225019092828
3.35
6.0625e-06
1.66e-08
d
yr
n .2945447805242957 1.461e-09 deg/d
Q 2.744826243609159 9.0767e-09 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      9343 days (25.58 yr)  
   first obs. used      1995-03-27  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5269  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:38  

Additional Information
 Earth MOID = .72367 au 
 Jupiter MOID = 2.4763 au 
 T_jup = 3.598 
[ 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 15.8   n/a MPO251037  

101941 (1999 RX23)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RX23 = 2002 JH112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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