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243658 (1999 UC52)
Classification: Main-belt Asteroid          SPK-ID: 2243658
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2287525031921396 9.3519e-08  
a 3.172500210361091 4.0287e-08 au
q 2.446782845863402 2.9259e-07 au
i 15.52126794235377 9.5631e-06 deg
node 182.1287819152598 2.8051e-05 deg
peri 185.482297899155 3.2263e-05 deg
M 255.9525378917672 2.1028e-05 deg
tp 2459597.026727310252
(2022-Jan-17.52672731)		 0.00012822 TDB
period 2063.958288653911
5.65		 3.9314e-05
1.076e-07		 d
yr
n .1744221295454511 3.3224e-09 deg/d
Q 3.89821757485878 4.9502e-08 au
   Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      1999-10-09  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:44  

Additional Information
 Earth MOID = 1.44591 au 
 Jupiter MOID = 1.56326 au 
 T_jup = 3.105 
[ 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 MPO437137  
diameter diameter 5.180 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243658 (1999 UC52)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 UC52 = 2004 RS88 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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