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115565 (2003 UL81)
Classification: Main-belt Asteroid          SPK-ID: 2115565
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430832693102907 4.4591e-08  
a 3.080759243674643 2.3262e-08 au
q 2.639954139131776 1.3574e-07 au
i 5.971590080761785 4.2216e-06 deg
node 138.0666664793434 4.4371e-05 deg
peri 223.6768724594799 4.7056e-05 deg
M 84.26854456151433 1.3859e-05 deg
tp 2458738.174274814278
(2019-Sep-11.67427481)
7.6975e-05 TDB
period 1975.081709704432
5.41
2.237e-05
6.125e-08
d
yr
n .1822709400989155 2.0645e-09 deg/d
Q 3.52156434821751 2.6591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      9538 days (26.11 yr)  
   first obs. used      1995-02-05  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:45  

Additional Information
 Earth MOID = 1.63909 au 
 Jupiter MOID = 1.93702 au 
 T_jup = 3.204 
[ 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 15.49   n/a MPCxxxxx  
diameter diameter 4.241 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115565 (2003 UL81)          Discovered 2003-Oct-16 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UL81 = 1995 FK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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