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JPL Small-Body Database Browser
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74643 (1999 RJ62)
Classification: Main-belt Asteroid          SPK-ID: 2074643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933549969833826 7.7191e-08  
a 2.459387747144307 1.6497e-08 au
q 1.983852836714251 1.8444e-07 au
i 3.25225817409921 7.1458e-06 deg
node 48.31732966024014 8.8933e-05 deg
peri 344.4339014814574 9.0118e-05 deg
M 353.1901074971211 1.8069e-05 deg
tp 2458627.148740640523
(2019-May-23.64874064)
7.0904e-05 TDB
period 1408.766236255926
3.86
1.4174e-05
3.881e-08
d
yr
n .2555427513345088 2.5711e-09 deg/d
Q 2.934922657574363 1.9686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8300 days (22.72 yr)  
   first obs. used      1997-02-02  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:55:26  

Additional Information
 Earth MOID = .989591 au 
 Jupiter MOID = 2.49816 au 
 T_jup = 3.463 
[ 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 15.9   n/a MPO263908  

74643 (1999 RJ62)          Discovered 1999-Sep-07 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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