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74208 (1998 RD60)
Classification: Main-belt Asteroid          SPK-ID: 2074208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459325334750975 8.8342e-08  
a 2.54196277914976 1.1186e-08 au
q 2.171007710789036 2.2953e-07 au
i 15.01680936039152 6.6323e-06 deg
node 191.6041320679655 1.764e-05 deg
peri 154.6462531667927 2.3584e-05 deg
M 139.3578519106415 1.408e-05 deg
tp 2458427.464998160541
(2018-Nov-04.96499816)
5.7047e-05 TDB
period 1480.308413439692
4.05
9.771e-06
2.675e-08
d
yr
n .2431925649625219 1.6052e-09 deg/d
Q 2.912917847510484 1.2818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      9241 days (25.30 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:12:44  

Additional Information
 Earth MOID = 1.17445 au 
 Jupiter MOID = 2.57109 au 
 T_jup = 3.383 
[ 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 15.3   n/a MPO449468  
diameter diameter 2.367 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74208 (1998 RD60)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RD60 = 1997 JK = 1998 TJ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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