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120588 (1995 SK34)
Classification: Main-belt Asteroid          SPK-ID: 2120588
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02549116833269727 6.2417e-08  
a 2.692789997741137 2.0411e-08 au
q 2.624147634624114 1.7657e-07 au
i 13.28301532017592 8.0964e-06 deg
node 357.8303911399553 1.7698e-05 deg
peri 325.0704720681567 0.00011844 deg
M 286.2167445348118 0.00011754 deg
tp 2459531.293881113747
(2021-Nov-12.79388111)
0.00052685 TDB
period 1613.994888815053
4.42
1.8351e-05
5.024e-08
d
yr
n .2230490334850448 2.536e-09 deg/d
Q 2.761432360858159 2.0931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1995-09-22  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:14  

Additional Information
 Earth MOID = 1.62077 au 
 Jupiter MOID = 2.32211 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457618.5 (2016-Aug-18.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02439816406139891 6.2382e-08  
q 2.627286796346615 1.762e-07 au
tp 2457916.392977768713
(2017-Jun-11.89297777)
0.00055114 TDB
node 357.8493962937734 1.7698e-05 deg
peri 324.9612824090317 0.00012363 deg
i 13.28283851602708 8.0961e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1995-09-22  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:14  

Additional Information
 Jupiter MOID = 2.32211 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.891498883102579E-15 -1.093085997944255E-14 1.69207634480317E-11 1.092461408154717E-15 3.835221651947967E-12 5.409809769874239E-15
q -1.093085997944255E-14 3.104693639058877E-14 -4.612269835145414E-11 -4.698147979831401E-15 -1.047754550456054E-11 -1.472051400721271E-14
tp 1.69207634480317E-11 -4.612269835145414E-11 3.037535134992706E-7 -4.528753778840006E-11 6.743709491059384E-8 2.93334182598885E-11
node 1.092461408154717E-15 -4.698147979831401E-15 -4.528753778840006E-11 3.132020118599112E-10 -3.142503203217314E-10 1.660937182873776E-11
peri 3.835221651947967E-12 -1.047754550456054E-11 6.743709491059384E-8 -3.142503203217314E-10 1.528391498861073E-8 -9.585273183100992E-12
i 5.409809769874239E-15 -1.472051400721271E-14 2.93334182598885E-11 1.660937182873776E-11 -9.585273183100992E-12 6.554762092600074E-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 15.79   n/a E2021B55  

120588 (1995 SK34)          Discovered 1995-Sep-22 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1995 SK34 = 2004 TC117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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