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118282 (1998 RB48)
Classification: Main-belt Asteroid          SPK-ID: 2118282
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580299539976463 5.2759e-08  
a 2.29880811742989 8.1643e-09 au
q 1.935527576383028 1.2069e-07 au
i 2.372935659228196 3.5724e-06 deg
node 267.4187240270082 0.00014371 deg
peri 50.18204340228875 0.0001449 deg
M 167.6223825204849 1.9197e-05 deg
tp 2458607.735729228570
(2019-May-04.23572923)
6.6767e-05 TDB
period 1273.070661978189
3.49
6.782e-06
1.857e-08
d
yr
n .2827808469331986 1.5065e-09 deg/d
Q 2.662088658476751 9.4545e-09 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      8209 days (22.48 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:32  

Additional Information
 Earth MOID = .921181 au 
 Jupiter MOID = 2.61422 au 
 T_jup = 3.575 
[ 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 16.6   n/a MPO436568  

118282 (1998 RB48)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1998 RB48 = 2002 XL103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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