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102523 (1999 UG)
Classification: Main-belt Asteroid          SPK-ID: 2102523
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951230472356949 5.2259e-08  
a 2.395240298315987 9.3798e-09 au
q 1.927873712446837 1.2293e-07 au
i 1.916834604725306 4.6295e-06 deg
node 28.410573026601 0.00010258 deg
peri 352.2430124229901 0.00010303 deg
M 255.6353993165773 1.2986e-05 deg
tp 2459593.029929712852
(2022-Jan-13.52992971)		 5.0459e-05 TDB
period 1354.010591438716
3.71		 7.9535e-06
2.178e-08		 d
yr
n .2658767976234801 1.5618e-09 deg/d
Q 2.862606884185137 1.121e-08 au
   Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9566 days (26.19 yr)  
   first obs. used      1994-04-15  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:16  

Additional Information
 Earth MOID = .929227 au 
 Jupiter MOID = 2.59813 au 
 T_jup = 3.502 
[ 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 16.05   n/a E2021B55  
diameter diameter 1.761 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102523 (1999 UG)          Discovered 1999-Oct-16 by Korlevic, K. at Visnjan
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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