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74683 (1999 RC122)
Classification: Main-belt Asteroid          SPK-ID: 2074683
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132662466815277 3.5149e-08  
a 2.311707097378444 9.1097e-09 au
q 2.005030331285836 8.0645e-08 au
i 6.157429004803793 3.918e-06 deg
node 186.8435662449731 3.5967e-05 deg
peri 155.4335451529608 3.8776e-05 deg
M 317.9688748646874 1.5188e-05 deg
tp 2459150.387753843315
(2020-Oct-27.88775384)
5.4452e-05 TDB
period 1283.800783583092
3.51
7.5886e-06
2.078e-08
d
yr
n .2804173393594906 1.6576e-09 deg/d
Q 2.618383863471052 1.0318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8123 days (22.24 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:50:01  

Additional Information
 Earth MOID = .999248 au 
 Jupiter MOID = 2.77489 au 
 T_jup = 3.565 
[ 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 16.0   n/a MPO468694  

74683 (1999 RC122)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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