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123668 (2000 YB81)
Classification: Main-belt Asteroid          SPK-ID: 2123668
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 .1327740139622201 4.3136e-08  
a 2.741986631006507 1.7795e-08 au
q 2.377922059777029 1.1852e-07 au
i 6.03502017371457 4.8301e-06 deg
node 83.18336416315195 5.1269e-05 deg
peri 6.125811458355744 5.6754e-05 deg
M 89.93446960673894 2.2924e-05 deg
tp 2458586.195067981673
(2019-Apr-12.69506798)
0.00010468 TDB
period 1658.427254630985
4.54
1.6144e-05
4.42e-08
d
yr
n .2170731329907523 2.1132e-09 deg/d
Q 3.106051202235987 2.0158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      9870 days (27.02 yr)  
   first obs. used      1993-04-15  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:02:44  

Additional Information
 Earth MOID = 1.3945 au 
 Jupiter MOID = 2.08923 au 
 T_jup = 3.329 
[ 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 15.5   n/a MPO338122  
diameter diameter 2.200 km 0.422 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123668 (2000 YB81)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2000 YB81 = 2002 HR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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