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46913 (1998 RD74)
Classification: Main-belt Asteroid          SPK-ID: 2046913
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397300742961613 3.9699e-08  
a 2.618544145914036 1.1254e-08 au
q 2.252654777857689 1.0607e-07 au
i 4.172583346379864 3.8683e-06 deg
node 256.4895775660241 5.9313e-05 deg
peri 99.41086054255074 6.1361e-05 deg
M 53.21675927535804 1.3693e-05 deg
tp 2458771.711495184873
(2019-Oct-15.21149518)
5.8968e-05 TDB
period 1547.705325445929
4.24
9.9776e-06
2.732e-08
d
yr
n .232602417321447 1.4995e-09 deg/d
Q 2.984433513970382 1.2826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:22  

Additional Information
 Earth MOID = 1.25286 au 
 Jupiter MOID = 2.47386 au 
 T_jup = 3.388 
[ 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 15.3   n/a MPO400457  
diameter diameter 5.826 km 1.411 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.046   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

46913 (1998 RD74)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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