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115691 (2003 UH155)
Classification: Main-belt Asteroid          SPK-ID: 2115691
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184910910827691 2.8472e-08  
a 2.256315911205238 8.7978e-09 au
q 1.988962577059117 6.3832e-08 au
i 4.962502594491107 3.2779e-06 deg
node 164.137720595836 3.5404e-05 deg
peri 31.40030800712219 3.8069e-05 deg
M 211.4391529770107 1.5507e-05 deg
tp 2459711.357944917690
(2022-May-11.85794492)
5.4908e-05 TDB
period 1237.936265548547
3.39
7.2404e-06
1.982e-08
d
yr
n .2908065705955217 1.7009e-09 deg/d
Q 2.523669245351359 9.8402e-09 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      8862 days (24.26 yr)  
   first obs. used      1996-10-08  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:43  

Additional Information
 Earth MOID = .989337 au 
 Jupiter MOID = 2.43118 au 
 T_jup = 3.609 
[ 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 16.36   n/a E2021B55  

115691 (2003 UH155)          Discovered 2003-Oct-20 by LINEAR at Socorro
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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