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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0885317803040629 3.9428e-08  
a 2.710079251506491 1.5164e-08 au
q 2.470151110605519 1.0907e-07 au
i 1.514416781433152 4.5927e-06 deg
node 197.404880942932 0.00016802 deg
peri 185.2259847143206 0.00017005 deg
M 325.5277566305529 2.5803e-05 deg
tp 2459156.540904878710
(2020-Nov-03.04090488)
0.00011688 TDB
period 1629.563969895951
4.46
1.3677e-05
3.745e-08
d
yr
n .2209179919601355 1.8542e-09 deg/d
Q 2.950007392407462 1.6507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      8006 days (21.92 yr)  
   first obs. used      1998-11-23  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:56  

Additional Information
 Earth MOID = 1.47311 au 
 Jupiter MOID = 2.46217 au 
 T_jup = 3.357 
[ 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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