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JPL Small-Body Database Browser
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74640 (1999 RW59)
Classification: Main-belt Asteroid          SPK-ID: 2074640
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497507581206425 4.1073e-08  
a 2.268151462298505 8.7193e-09 au
q 1.92849406128686 9.6551e-08 au
i 3.834454801689643 4.0509e-06 deg
node 113.3975072806039 6.6597e-05 deg
peri 194.8435114764465 6.8062e-05 deg
M 284.976980257977 1.4343e-05 deg
tp 2458860.515085596781
(2020-Jan-12.01508560)
5.0026e-05 TDB
period 1247.689457672009
3.42
7.1946e-06
1.97e-08
d
yr
n .2885333347864485 1.6638e-09 deg/d
Q 2.60780886331015 1.0025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1018  
   data-arc span      17530 days (47.99 yr)  
   first obs. used      1971-05-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:46  

Additional Information
 Earth MOID = .913187 au 
 Jupiter MOID = 2.62075 au 
 T_jup = 3.597 
[ 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 15.6   n/a MPO337820  

74640 (1999 RW59)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW59 = 2001 AT11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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