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243389 (2008 YU90)
Classification: Main-belt Asteroid          SPK-ID: 2243389
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08229659068777846 5.0366e-08  
a 3.108585662762089 4.1764e-08 au
q 2.852759660855861 1.567e-07 au
i 4.559292577175707 6.7863e-06 deg
node 108.7485919820814 7.5895e-05 deg
peri 119.5070413451699 8.7697e-05 deg
M 276.7340882108113 4.5019e-05 deg
tp 2459463.528184875050
(2021-Sep-06.02818487)
0.00025328 TDB
period 2001.901414074962
5.48
4.0343e-05
1.105e-07
d
yr
n .1798290352706249 3.624e-09 deg/d
Q 3.364411664668317 4.5201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5855 days (16.03 yr)  
   first obs. used      2004-01-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:20:20  

Additional Information
 Earth MOID = 1.84611 au 
 Jupiter MOID = 1.63095 au 
 T_jup = 3.210 
[ 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 16.0   n/a MPO418301  
diameter diameter 4.335 km 1.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243389 (2008 YU90)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 YU90 = 2004 BD147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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