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JPL Small-Body Database Browser
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74380 (1998 XR13)
Classification: Main-belt Asteroid          SPK-ID: 2074380
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0892666175494934 4.1017e-08  
a 2.712860818209412 2e-08 au
q 2.470692909085307 1.1699e-07 au
i 1.514488682254538 4.623e-06 deg
node 197.4813396828513 0.00019387 deg
peri 184.4789184089873 0.00019624 deg
M 237.9765329237274 3.2568e-05 deg
tp 2459153.697942629287
(2020-Oct-31.19794263)
0.00015041 TDB
period 1632.073437333662
4.47
1.8048e-05
4.941e-08
d
yr
n .2205783096305619 2.4392e-09 deg/d
Q 2.955028727333517 2.1785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      1998-11-23  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59048  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:45:03  

Additional Information
 Earth MOID = 1.4727 au 
 Jupiter MOID = 2.4635 au 
 T_jup = 3.356 
[ 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 16.1   n/a MPO436303  

74380 (1998 XR13)          Discovered 1998-Dec-15 by ODAS at Caussols
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XR13 = 2002 RW168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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