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243656 (1999 UP43)
Classification: Main-belt Asteroid          SPK-ID: 2243656
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 .151175613978161 6.1137e-08  
a 2.436593819049243 1.4701e-08 au
q 2.068240252439081 1.478e-07 au
i 10.89420325142511 5.2592e-06 deg
node 304.1974528428945 2.3033e-05 deg
peri 63.05268955777374 2.8746e-05 deg
M 165.7410956550861 1.5502e-05 deg
tp 2458360.911216534148
(2018-Aug-30.41121653)
5.8716e-05 TDB
period 1389.226740282146
3.80
1.2573e-05
3.442e-08
d
yr
n .2591369641552433 2.3452e-09 deg/d
Q 2.804947385659404 1.6923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      7492 days (20.51 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:45  

Additional Information
 Earth MOID = 1.09065 au 
 Jupiter MOID = 2.70438 au 
 T_jup = 3.464 
[ 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 15.6   n/a MPO460068  
diameter diameter 2.222 km 0.530 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.298   0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243656 (1999 UP43)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 UP43 = 2003 WM83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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