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JPL Small-Body Database Browser
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74204 (1998 RH58)
Classification: Main-belt Asteroid          SPK-ID: 2074204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111204383793345 6.8697e-08  
a 2.608684498913056 1.2939e-08 au
q 2.318587346700178 1.8025e-07 au
i 8.242937261551454 7.0104e-06 deg
node 357.9254404917045 2.5973e-05 deg
peri 11.3698924289262 3.5335e-05 deg
M 311.3764061061828 2.1025e-05 deg
tp 2458808.362103533185
(2019-Nov-20.86210353)
8.9759e-05 TDB
period 1538.972158976134
4.21
1.1449e-05
3.135e-08
d
yr
n .233922360388576 1.7403e-09 deg/d
Q 2.898781651125933 1.4377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1996-01-16  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:50:54  

Additional Information
 Earth MOID = 1.31715 au 
 Jupiter MOID = 2.55817 au 
 T_jup = 3.387 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO347990  
diameter diameter 4.538 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74204 (1998 RH58)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RH58 = 1996 BM14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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