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74175 (1998 RX13)
Classification: Main-belt Asteroid          SPK-ID: 2074175
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777676276687464 3.8924e-08  
a 2.556728929772862 1.3857e-08 au
q 2.102225293335088 1.0334e-07 au
i 12.45864700063093 4.246e-06 deg
node 174.6006587094593 1.9283e-05 deg
peri 357.0480397470296 2.3043e-05 deg
M 298.9781372574409 1.3189e-05 deg
tp 2459253.609482086187
(2021-Feb-08.10948209)
5.502e-05 TDB
period 1493.225697410201
4.09
1.214e-05
3.324e-08
d
yr
n .2410888056804618 1.96e-09 deg/d
Q 3.011232566210636 1.6321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      7820 days (21.41 yr)  
   first obs. used      1998-08-30  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:12:06  

Additional Information
 Earth MOID = 1.10787 au 
 Jupiter MOID = 1.95533 au 
 T_jup = 3.382 
[ 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 15.2   n/a MPO412633  
diameter diameter 3.326 km 0.610 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74175 (1998 RX13)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RX13 = 2001 KG40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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