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74212 (1998 RS66)
Classification: Main-belt Asteroid          SPK-ID: 2074212
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000056903793003 4.3468e-08  
a 2.734884228625114 1.8381e-08 au
q 2.461380243234 1.2113e-07 au
i 2.36630410163324 4.5269e-06 deg
node 270.8579175373706 0.00011768 deg
peri 94.84271809399526 0.00012006 deg
M 288.9503632342968 2.6892e-05 deg
tp 2459326.536489425595
(2021-Apr-22.03648943)
0.00012506 TDB
period 1651.987843094394
4.52
1.6654e-05
4.56e-08
d
yr
n .2179192791913479 2.1969e-09 deg/d
Q 3.008388214016229 2.0219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:12:45  

Additional Information
 Earth MOID = 1.46094 au 
 Jupiter MOID = 2.44531 au 
 T_jup = 3.344 
[ 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 15.1   n/a MPO436302  

74212 (1998 RS66)          Discovered 1998-Sep-14 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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