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47424 (1999 XE169)
Classification: Main-belt Asteroid          SPK-ID: 2047424
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06178689645633448 6.0608e-08  
a 2.584003496694978 1.0685e-08 au
q 2.424345940201879 1.6191e-07 au
i 5.412636989051191 3.9962e-06 deg
node 43.36919537019352 3.8809e-05 deg
peri 152.4331141892311 5.3082e-05 deg
M 277.5466468900724 4.0211e-05 deg
tp 2459547.991265997108
(2021-Nov-29.49126600)		 0.00017056 TDB
period 1517.183365389378
4.15		 9.4107e-06
2.577e-08		 d
yr
n .2372818000859162 1.4718e-09 deg/d
Q 2.743661053188076 1.1345e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1687  
   data-arc span      11075 days (30.32 yr)  
   first obs. used      1990-09-26  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:51:06  

Additional Information
 Earth MOID = 1.42257 au 
 Jupiter MOID = 2.21164 au 
 T_jup = 3.414 
[ 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 14.44   n/a E2021B10  
diameter diameter 3.714 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47424 (1999 XE169)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XE169 = 1998 RT33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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