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152256 (2005 SU128)
Classification: Main-belt Asteroid          SPK-ID: 2152256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046704434174849 4.4312e-08  
a 3.12321646629484 2.2433e-08 au
q 2.483986367249485 1.3955e-07 au
i 2.889238215474687 5.5818e-06 deg
node 232.0654964918961 8.4449e-05 deg
peri 198.5408539937762 8.5362e-05 deg
M 248.3130047438007 1.3051e-05 deg
tp 2459825.963055028643
(2022-Sep-03.46305503)
7.6758e-05 TDB
period 2016.05119104333
5.52
2.1721e-05
5.947e-08
d
yr
n .1785668943325272 1.9239e-09 deg/d
Q 3.762446565340195 2.7024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      14787 days (40.48 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:22  

Additional Information
 Earth MOID = 1.49813 au 
 Jupiter MOID = 1.54417 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456913.5 (2014-Sep-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2119790699754744 4.4738e-08  
q 2.449222651982026 1.4158e-07 au
tp 2457813.969942348260
(2017-Mar-01.46994235)
6.2374e-05 TDB
node 232.4814533945654 8.3672e-05 deg
peri 197.796625060333 8.4478e-05 deg
i 2.909085603894658 5.6188e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      14787 days (40.48 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:22  

Additional Information
 Jupiter MOID = 1.54417 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.001524416362784E-15 -6.287050808401363E-15 -1.064945530804823E-12 -2.585470946663606E-15 -1.802122052147511E-13 -2.495704274516918E-16
q -6.287050808401363E-15 2.004383705318807E-14 3.664653984631691E-12 1.061850149672168E-14 5.927974735196976E-13 5.376342582844134E-16
tp -1.064945530804823E-12 3.664653984631691E-12 3.890511246863758E-9 3.72473747278983E-12 7.340539209714193E-10 2.346339636897619E-13
node -2.585470946663606E-15 1.061850149672168E-14 3.72473747278983E-12 7.001012086435444E-9 -6.991190980340173E-9 -1.094090045592683E-10
peri -1.802122052147511E-13 5.927974735196976E-13 7.340539209714193E-10 -6.991190980340173E-9 7.136526419527382E-9 1.093125587353507E-10
i -2.495704274516918E-16 5.376342582844134E-16 2.346339636897619E-13 -1.094090045592683E-10 1.093125587353507E-10 3.157098262568049E-11

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 15.7   n/a MPO436769  

152256 (2005 SU128)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 SU128 = 1978 WZ7 = 2000 YP129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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