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JPL Small-Body Database Browser
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74726 (1999 RW169)
Classification: Main-belt Asteroid          SPK-ID: 2074726
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212088831686899 6.1635e-08  
a 2.376143047224805 1.4575e-08 au
q 1.872189644417948 1.4257e-07 au
i 1.759896875419679 3.5075e-06 deg
node 279.7790599187565 0.00015995 deg
peri 65.43271240292714 0.00016033 deg
M 131.9986477773482 1.4657e-05 deg
tp 2458109.960163831886
(2017-Dec-22.46016383)
5.0815e-05 TDB
period 1337.849621902155
3.66
1.231e-05
3.37e-08
d
yr
n .2690885388808885 2.4759e-09 deg/d
Q 2.880096450031662 1.7667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:18:47  

Additional Information
 Earth MOID = .86475 au 
 Jupiter MOID = 2.53478 au 
 T_jup = 3.510 
[ 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 16.7   n/a MPO313951  

74726 (1999 RW169)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RW169 = 2002 JD137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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