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226545 (2003 UL253)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575836959924592 7.3444e-08  
a 3.201730488402265 6.003e-08 au
q 2.697189964468095 2.3413e-07 au
i 20.34403629350223 6.5732e-06 deg
node 88.99112515304246 2.8344e-05 deg
peri 308.9715281987438 3.8688e-05 deg
M 251.1070751650155 2.8599e-05 deg
tp 2459233.454871110814
(2021-Jan-18.95487111)
0.00017426 TDB
period 2092.548748646398
5.73
5.8851e-05
1.611e-07
d
yr
n .1720390027868514 4.8384e-09 deg/d
Q 3.706271012336436 6.949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      5405 days (14.80 yr)  
   first obs. used      2003-09-01  
   last obs. used      2018-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61252  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:46:16  

Additional Information
 Earth MOID = 1.75331 au 
 Jupiter MOID = 1.76646 au 
 T_jup = 3.078 
[ 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 15.0   n/a MPO360181  
diameter diameter 4.865 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226545 (2003 UL253)          Discovered 2003-Oct-21 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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