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JPL Small-Body Database Browser
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74664 (1999 RW93)
Classification: Main-belt Asteroid          SPK-ID: 2074664
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396771273259825 4.3323e-08  
a 2.412803440114951 1.5193e-08 au
q 2.075789986797446 1.0406e-07 au
i 6.600236866226856 5.1708e-06 deg
node 143.1649652923184 4.4454e-05 deg
peri 174.6208331275388 4.8931e-05 deg
M 115.7765709937423 2.121e-05 deg
tp 2458160.249838529627
(2018-Feb-10.74983853)
7.9165e-05 TDB
period 1368.930317843846
3.75
1.293e-05
3.54e-08
d
yr
n .2629790540157102 2.4839e-09 deg/d
Q 2.749816893432455 1.7315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7054 days (19.31 yr)  
   first obs. used      1999-08-22  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56285  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:11:03  

Additional Information
 Earth MOID = 1.0618 au 
 Jupiter MOID = 2.53286 au 
 T_jup = 3.496 
[ 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 16.0   n/a MPO412636  

74664 (1999 RW93)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RW93 = 2002 JR36 = 2003 US300 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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