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JPL Small-Body Database Browser
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46914 (1998 RX74)
Classification: Main-belt Asteroid          SPK-ID: 2046914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632129179444283 3.5094e-08  
a 2.643635600626456 1.1499e-08 au
q 2.212160120266441 9.2667e-08 au
i 1.411348823631753 4.8999e-06 deg
node 315.0026560925475 0.00015237 deg
peri 142.5767350814176 0.00015321 deg
M 214.3237808802544 1.6258e-05 deg
tp 2459235.811877644746
(2021-Jan-21.31187764)
7.2862e-05 TDB
period 1570.004200645184
4.30
1.0244e-05
2.805e-08
d
yr
n .2292987495524281 1.4961e-09 deg/d
Q 3.075111080986471 1.3376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      10558 days (28.91 yr)  
   first obs. used      1991-01-09  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:58:50  

Additional Information
 Earth MOID = 1.22931 au 
 Jupiter MOID = 2.08942 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456700.5 (2014-Feb-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615605585980159 3.4847e-08  
q 2.217623645690058 9.1759e-08 au
tp 2456091.069507348136
(2012-Jun-12.56950735)
6.6365e-05 TDB
node 315.3319473542054 0.00015229 deg
peri 141.7970123081638 0.00015316 deg
i 1.410619636067263 4.9033e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      10558 days (28.91 yr)  
   first obs. used      1991-01-09  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:58:50  

Additional Information
 Jupiter MOID = 2.08942 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.214282122719543E-15 -3.179807317161623E-15 9.119498593796224E-13 -9.247522297544954E-17 2.464409283039327E-13 1.87109763324281E-16
q -3.179807317161623E-15 8.419698395122801E-15 -2.239803516905824E-12 1.070179401628155E-15 -6.032892220891185E-13 -3.864584826301793E-16
tp 9.119498593796224E-13 -2.239803516905824E-12 4.404259039836413E-9 -1.141496463779038E-11 1.097205706330884E-9 5.734207835616563E-13
node -9.247522297544954E-17 1.070179401628155E-15 -1.141496463779038E-11 2.319103179612382E-8 -2.318606531713295E-8 2.460998690070716E-10
peri 2.464409283039327E-13 -6.032892220891185E-13 1.097205706330884E-9 -2.318606531713295E-8 2.345812953267568E-8 -2.458802733720746E-10
i 1.87109763324281E-16 -3.864584826301793E-16 5.734207835616563E-13 2.460998690070716E-10 -2.458802733720746E-10 2.40422051907629E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO351165  
diameter diameter 6.432 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46914 (1998 RX74)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RX74 = 1991 AP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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