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46915 (1998 RK75)
Classification: Main-belt Asteroid          SPK-ID: 2046915
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052598329759775 4.0633e-08  
a 2.666184349484401 1.3884e-08 au
q 2.385542230174508 1.064e-07 au
i 11.4570461966987 4.6295e-06 deg
node 13.62473251741768 2.2072e-05 deg
peri 150.3254332493944 3.0883e-05 deg
M 203.8447056584733 2.2366e-05 deg
tp 2459690.243952779328
(2022-Apr-20.74395278)
0.00010037 TDB
period 1590.133873126869
4.35
1.2421e-05
3.401e-08
d
yr
n .2263960324875598 1.7684e-09 deg/d
Q 2.946826468794295 1.5345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      23442 days (64.18 yr)  
   first obs. used      1955-10-23  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:23  

Additional Information
 Earth MOID = 1.3981 au 
 Jupiter MOID = 2.02871 au 
 T_jup = 3.347 
[ 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 13.3   n/a MPO436110  
diameter diameter 6.287 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46915 (1998 RK75)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RK75 = 1970 GJ1 = 1985 ST6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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