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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635586747931476 3.5107e-08  
a 2.643252699048088 1.1372e-08 au
q 2.210925790448373 9.2691e-08 au
i 1.411614258600085 4.9006e-06 deg
node 315.0011245223212 0.00015227 deg
peri 142.5961730591564 0.0001531 deg
M 306.0701884298691 1.6486e-05 deg
tp 2459235.643433570413
(2021-Jan-21.14343357)
7.2637e-05 TDB
period 1569.663116201821
4.30
1.013e-05
2.773e-08
d
yr
n .2293485756810716 1.4801e-09 deg/d
Q 3.075579607647804 1.3232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1278  
   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      .56268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:23  

Additional Information
 Earth MOID = 1.22798 au 
 Jupiter MOID = 2.08794 au 
 T_jup = 3.374 
[ show covariance matrix ]

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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