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74704 (1999 RU148)
Classification: Main-belt Asteroid          SPK-ID: 2074704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113192677664365 4.8478e-08  
a 2.274234830839208 1.0936e-08 au
q 2.016808100698954 1.0974e-07 au
i 4.566148001802225 5.8157e-06 deg
node 172.3615169175023 5.5073e-05 deg
peri 226.4709337250282 5.9483e-05 deg
M 327.083652903287 2.371e-05 deg
tp 2459115.040881026781
(2020-Sep-22.54088103)
8.2817e-05 TDB
period 1252.712430346159
3.43
9.0356e-06
2.474e-08
d
yr
n .2873764092055205 2.0728e-09 deg/d
Q 2.531661560979462 1.2174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      8824 days (24.16 yr)  
   first obs. used      1994-02-12  
   last obs. used      2018-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56135  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:07:47  

Additional Information
 Earth MOID = 1.02699 au 
 Jupiter MOID = 2.83903 au 
 T_jup = 3.598 
[ 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 16.1   n/a MPO280228  

74704 (1999 RU148)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RU148 = 1994 CO6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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