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43001 (1999 UE9)
Classification: Main-belt Asteroid          SPK-ID: 2043001
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09411786254381838 3.1656e-08  
a 2.930349305386238 1.204e-08 au
q 2.654551092256522 9.3159e-08 au
i 1.377205790027202 3.7176e-06 deg
node 212.3040948145284 0.0001437 deg
peri 219.1546205610108 0.00014538 deg
M 53.73612227515486 2.0489e-05 deg
tp 2458927.010071086247
(2020-Mar-18.51007109)
0.00010428 TDB
period 1832.219561821135
5.02
1.1292e-05
3.092e-08
d
yr
n .1964830020929249 1.2109e-09 deg/d
Q 3.206147518515953 1.3173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2278  
   data-arc span      8252 days (22.59 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:23:20  

Additional Information
 Earth MOID = 1.66873 au 
 Jupiter MOID = 2.02558 au 
 T_jup = 3.269 
[ 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 13.76   n/a MPCxxxxx  
diameter diameter 5.066 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.274   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43001 (1999 UE9)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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