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115550 (2003 UG66)
Classification: Main-belt Asteroid          SPK-ID: 2115550
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07322489070075193 3.9439e-08  
a 3.078964161830291 2.2631e-08 au
q 2.853507347608736 1.2454e-07 au
i 10.45669571193478 4.6144e-06 deg
node 104.0650465742787 2.5364e-05 deg
peri 351.8005792955163 4.5084e-05 deg
M 4.670485232950033 3.5715e-05 deg
tp 2459174.898531320451
(2020-Nov-21.39853132)
0.00019574 TDB
period 1973.355714651584
5.40
2.1757e-05
5.957e-08
d
yr
n .1824303633283682 2.0114e-09 deg/d
Q 3.304420976051846 2.4289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      2000-02-03  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:04  

Additional Information
 Earth MOID = 1.87055 au 
 Jupiter MOID = 1.84212 au 
 T_jup = 3.199 
[ 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 14.91   n/a MPCxxxxx  
diameter diameter 3.977 km 0.676 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115550 (2003 UG66)          Discovered 2003-Oct-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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