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JPL Small-Body Database Browser
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74626 (1999 RW38)
Classification: Main-belt Asteroid          SPK-ID: 2074626
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07113276661938575 3.1125e-08  
a 2.237974336280367 9.3146e-09 au
q 2.078781030117562 6.8744e-08 au
i 6.583235252992544 3.4094e-06 deg
node 98.56425275698251 4.1824e-05 deg
peri 178.535267026103 5.522e-05 deg
M 10.66382745252554 3.6222e-05 deg
tp 2458564.276393418181
(2019-Mar-21.77639342)
0.00012309 TDB
period 1222.872221771221
3.35
7.6345e-06
2.09e-08
d
yr
n .2943888932881084 1.8379e-09 deg/d
Q 2.397167642443173 9.9771e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:55:23  

Additional Information
 Earth MOID = 1.06182 au 
 Jupiter MOID = 2.67047 au 
 T_jup = 3.625 
[ 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 15.4   n/a MPO436304  

74626 (1999 RW38)          Discovered 1999-Sep-12 by Broughton, J. at Reedy Creek
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RW38 = 1998 FK86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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