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74597 (1999 RG)
Classification: Main-belt Asteroid          SPK-ID: 2074597
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093670394842941 4.453e-08  
a 2.292151522864532 1.0962e-08 au
q 1.812250544472969 9.8904e-08 au
i 4.822576022273188 4.2628e-06 deg
node 113.5898003220637 5.3088e-05 deg
peri 269.4733563257049 5.4189e-05 deg
M 314.8304290510483 1.3525e-05 deg
tp 2459159.540186537936
(2020-Nov-06.04018654)
4.8299e-05 TDB
period 1267.545074057995
3.47
9.0932e-06
2.49e-08
d
yr
n .2840135687226289 2.0375e-09 deg/d
Q 2.772052501256096 1.3258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      7271 days (19.91 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:19:13  

Additional Information
 Earth MOID = .823369 au 
 Jupiter MOID = 2.69407 au 
 T_jup = 3.563 
[ 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 MPO337820  
diameter diameter 4.490 km 1.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.073   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

74597 (1999 RG)          Discovered 1999-Sep-03 by Comba, P. G. at Prescott
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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