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115805 (2003 UG238)
Classification: Main-belt Asteroid          SPK-ID: 2115805
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353946975508668 2.8861e-08  
a 2.56116119555243 1.3671e-08 au
q 2.214393550101592 7.0596e-08 au
i 5.893991647292166 5.4856e-06 deg
node 174.9097987322804 4.0223e-05 deg
peri 115.4704393930639 4.7506e-05 deg
M 168.648809022711 2.4673e-05 deg
tp 2458499.150366404008
(2019-Jan-15.65036640)
0.00010229 TDB
period 1497.110294212372
4.10
1.1987e-05
3.282e-08
d
yr
n .2404632453545418 1.9253e-09 deg/d
Q 2.907928841003268 1.5521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      8745 days (23.94 yr)  
   first obs. used      1997-02-08  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:15  

Additional Information
 Earth MOID = 1.20421 au 
 Jupiter MOID = 2.27593 au 
 T_jup = 3.415 
[ 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 15.33   n/a MPCxxxxx  
diameter diameter 2.527 km 0.700 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115805 (2003 UG238)          Discovered 2003-Oct-23 by NEAT at Haleakala
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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