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118398 (1999 RO58)
Classification: Main-belt Asteroid          SPK-ID: 2118398
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039949953959717 6.443e-08  
a 3.026209130366441 2.3128e-08 au
q 2.711498525786736 2.0466e-07 au
i 7.587530818352181 6.3543e-06 deg
node 316.9154004610589 3.2598e-05 deg
peri 48.78880103795486 4.143e-05 deg
M 317.330063484918 2.2975e-05 deg
tp 2459228.411546830375
(2021-Jan-13.91154683)
0.0001226 TDB
period 1922.856314303034
5.26
2.2043e-05
6.035e-08
d
yr
n .1872214774042995 2.1462e-09 deg/d
Q 3.340919734946147 2.5533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      7703 days (21.09 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:49  

Additional Information
 Earth MOID = 1.71621 au 
 Jupiter MOID = 2.12487 au 
 T_jup = 3.223 
[ 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 14.9   n/a MPO348194  
diameter diameter 6.465 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118398 (1999 RO58)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1999 RO58 = 2004 PC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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