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102578 (1999 UO43)
Classification: Main-belt Asteroid          SPK-ID: 2102578
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887083974338806 4.89e-08  
a 2.636476719133259 1.4619e-08 au
q 2.138951422593886 1.3642e-07 au
i 9.125778108043788 6.3585e-06 deg
node 346.5475737338273 2.0075e-05 deg
peri 66.91598236286931 2.659e-05 deg
M 324.1059556322371 1.839e-05 deg
tp 2459356.402913924401
(2021-May-21.90291392)
8.06e-05 TDB
period 1563.631237476025
4.28
1.3005e-05
3.561e-08
d
yr
n .2302333129268402 1.9149e-09 deg/d
Q 3.134002015672631 1.7378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7735 days (21.18 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:48  

Additional Information
 Earth MOID = 1.16771 au 
 Jupiter MOID = 2.33142 au 
 T_jup = 3.354 
[ 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 15.77   n/a E2021B55  
diameter diameter 3.699 km 0.591 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102578 (1999 UO43)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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