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47146 (1999 RZ18)
Classification: Main-belt Asteroid          SPK-ID: 2047146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09799638842029923 4.4222e-08  
a 3.101016531975177 2.4736e-08 au
q 2.797128111409968 1.4406e-07 au
i 9.21754883323826 6.3377e-06 deg
node 172.635654276377 2.8334e-05 deg
peri 127.7542918583428 4.2596e-05 deg
M 244.8654227628238 3.0944e-05 deg
tp 2459238.407662677388
(2021-Jan-23.90766268)
0.0001725 TDB
period 1994.594187728586
5.46
2.3866e-05
6.534e-08
d
yr
n .1804878416947372 2.1596e-09 deg/d
Q 3.404904952540385 2.716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1998-05-26  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:40:49  

Additional Information
 Earth MOID = 1.79323 au 
 Jupiter MOID = 1.87715 au 
 T_jup = 3.195 
[ 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 14.4   n/a MPO257188  
diameter diameter 5.002 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47146 (1999 RZ18)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RZ18 = 2000 WL106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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