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JPL Small-Body Database Browser
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74218 (1998 RW73)
Classification: Main-belt Asteroid          SPK-ID: 2074218
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08316167617485566 4.0102e-08  
a 2.458476817907299 1.0287e-08 au
q 2.254025764893103 9.9012e-08 au
i 4.092510937579341 4.1771e-06 deg
node 298.4981779384712 6.1839e-05 deg
peri 203.3717139213258 6.7103e-05 deg
M 357.9881358681134 2.707e-05 deg
tp 2458608.368532633073
(2019-May-04.86853263)
0.00010589 TDB
period 1407.983622258883
3.85
8.8368e-06
2.419e-08
d
yr
n .2556847922864599 1.6047e-09 deg/d
Q 2.662927870921495 1.1142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      13898 days (38.05 yr)  
   first obs. used      1981-05-03  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:45:31  

Additional Information
 Earth MOID = 1.26802 au 
 Jupiter MOID = 2.35305 au 
 T_jup = 3.483 
[ 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 14.7   n/a MPO459335  

74218 (1998 RW73)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RW73 = 1981 JV1 = 1999 YG16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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