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118908 (2000 UA98)
Classification: Main-belt Asteroid          SPK-ID: 2118908
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034931541890099 5.1929e-08  
a 3.078875066724055 2.4616e-08 au
q 2.760232574714884 1.5644e-07 au
i 10.18375098528851 6.2344e-06 deg
node 22.46713513165111 2.5887e-05 deg
peri 28.81169347970601 3.6294e-05 deg
M 265.9739262174042 2.6552e-05 deg
tp 2459715.885656687180
(2022-May-16.38565669)
0.00014816 TDB
period 1973.270061625482
5.40
2.3665e-05
6.479e-08
d
yr
n .1824382820177436 2.188e-09 deg/d
Q 3.397517558733225 2.7164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      10252 days (28.07 yr)  
   first obs. used      1992-04-25  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53912  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:27  

Additional Information
 Earth MOID = 1.7739 au 
 Jupiter MOID = 2.04956 au 
 T_jup = 3.196 
[ 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 14.69   n/a E2021B55  
diameter diameter 3.977 km 0.860 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.194   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118908 (2000 UA98)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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