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201668 (2003 UG57)
Classification: Main-belt Asteroid          SPK-ID: 2201668
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161814756201542 5.4031e-08  
a 2.728816418823066 2.3035e-08 au
q 2.411778500587697 1.4955e-07 au
i 4.047109577598567 6.1479e-06 deg
node 231.9405236191602 7.1082e-05 deg
peri 174.775498962197 7.4893e-05 deg
M 152.4535710731417 2.6877e-05 deg
tp 2457903.239589804886
(2017-May-29.73958980)
0.00011778 TDB
period 1646.493066074613
4.51
2.0848e-05
5.708e-08
d
yr
n .2186465326928296 2.7685e-09 deg/d
Q 3.045854337058435 2.5711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      7521 days (20.59 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55488  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:54:12  

Additional Information
 Earth MOID = 1.42095 au 
 Jupiter MOID = 2.31223 au 
 T_jup = 3.342 
[ 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 15.5   n/a MPO338512  
diameter diameter 5.305 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201668 (2003 UG57)          Discovered 2003-Oct-26 by Uppsala-DLR Asteroid Survey at Kvistaberg
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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