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102575 (1999 UQ42)
Classification: Main-belt Asteroid          SPK-ID: 2102575
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 .2609531482838287 5.6706e-08  
a 2.428615370692432 1.1676e-08 au
q 1.794860543739744 1.3584e-07 au
i 8.273154145737426 5.1892e-06 deg
node 341.9337665155882 2.279e-05 deg
peri 349.420425737715 2.4012e-05 deg
M 247.1949846687524 8.3694e-06 deg
tp 2459633.674062351784
(2022-Feb-23.17406235)
3.4173e-05 TDB
period 1382.408946878137
3.78
9.969e-06
2.729e-08
d
yr
n .2604149812636702 1.8779e-09 deg/d
Q 3.06237019764512 1.4722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1999-09-12  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 21:24:05  

Additional Information
 Earth MOID = .78336 au 
 Jupiter MOID = 2.31585 au 
 T_jup = 3.448 
[ 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 15.82   n/a E2021B55  
diameter diameter 3.965 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102575 (1999 UQ42)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 UQ42 = 1999 VC174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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