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115471 (2003 UA1)
Classification: Main-belt Asteroid          SPK-ID: 2115471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464948225585397 5.1426e-08  
a 3.111464443402622 2.2637e-08 au
q 2.65565101186915 1.6581e-07 au
i 4.217537195353692 5.2908e-06 deg
node 313.5871370928766 6.4841e-05 deg
peri 159.8133334458986 6.8729e-05 deg
M 329.7948766115358 1.9759e-05 deg
tp 2459368.699152760964
(2021-Jun-03.19915276)
0.00011041 TDB
period 2004.682921344155
5.49
2.1877e-05
5.99e-08
d
yr
n .1795795216126335 1.9597e-09 deg/d
Q 3.567277874936095 2.5953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9895 days (27.09 yr)  
   first obs. used      1994-01-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51044  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:43  

Additional Information
 Earth MOID = 1.67252 au 
 Jupiter MOID = 1.53839 au 
 T_jup = 3.198 
[ 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 14.99   n/a MPCxxxxx  
diameter diameter 4.844 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115471 (2003 UA1)          Discovered 2003-Oct-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UA1 = 1997 RA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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