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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166703440111725 4.1597e-08  
a 2.292743959493343 8.8739e-09 au
q 1.795974337060383 9.5869e-08 au
i 23.67120800755704 6.6246e-06 deg
node 171.2779582887911 9.1815e-06 deg
peri 67.50567198535282 1.6299e-05 deg
M 82.5826347268885 1.423e-05 deg
tp 2458709.617229803436
(2019-Aug-14.11722980)
4.9646e-05 TDB
period 1268.036526287619
3.47
7.3618e-06
2.016e-08
d
yr
n .2839034937376433 1.6482e-09 deg/d
Q 2.789513581926304 1.0797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      10259 days (28.09 yr)  
   first obs. used      1992-09-22  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:39  

Additional Information
 Earth MOID = .900373 au 
 Jupiter MOID = 2.40632 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 15.1   n/a MPO493573  

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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