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135272 (2001 SK122)
Classification: Main-belt Asteroid          SPK-ID: 2135272
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 .1413049246748209 3.9707e-08  
a 3.080287711309049 2.2964e-08 au
q 2.645027888285747 1.2459e-07 au
i 9.865516029269081 5.9123e-06 deg
node 202.7639443761793 2.3337e-05 deg
peri 217.7075397760636 3.1022e-05 deg
M 150.9922976497592 2.224e-05 deg
tp 2458372.295387634413
(2018-Sep-10.79538763)
0.00011783 TDB
period 1974.628276358882
5.41
2.2082e-05
6.046e-08
d
yr
n .1823127949245325 2.0388e-09 deg/d
Q 3.515547534332351 2.6209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      7159 days (19.60 yr)  
   first obs. used      2001-09-10  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59192  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:02  

Additional Information
 Earth MOID = 1.66408 au 
 Jupiter MOID = 1.8956 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457183.5 (2015-Jun-10.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414126615371581 3.9478e-08  
q 2.644914518355721 1.2373e-07 au
tp 2456400.005642614237
(2013-Apr-17.50564261)
0.00011097 TDB
node 202.7880217753687 2.3342e-05 deg
peri 218.3342025283894 3.1057e-05 deg
i 9.864297424086383 5.9116e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      7159 days (19.60 yr)  
   first obs. used      2001-09-10  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59192  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:02  

Additional Information
 Jupiter MOID = 1.8956 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.558525032941036E-15 -4.823045892447894E-15 -1.904311063259353E-12 -1.426976488146864E-17 -3.308273052859815E-13 -2.512445872672297E-15
q -4.823045892447894E-15 1.530836663080257E-14 6.372915606989859E-12 1.962432745081026E-15 1.138365394278645E-12 9.286750460632157E-15
tp -1.904311063259353E-12 6.372915606989859E-12 1.231544826834571E-8 1.588652141727679E-11 2.285093402119215E-9 6.094185081730129E-12
node -1.426976488146864E-17 1.962432745081026E-15 1.588652141727679E-11 5.448306339957612E-10 -5.333064966257583E-10 -4.163531366687031E-11
peri -3.308273052859815E-13 1.138365394278645E-12 2.285093402119215E-9 -5.333064966257583E-10 9.645299555889661E-10 4.232171919275074E-11
i -2.512445872672297E-15 9.286750460632157E-15 6.094185081730129E-12 -4.163531366687031E-11 4.232171919275074E-11 3.494714026621778E-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 14.74   n/a E2021B55  

135272 (2001 SK122)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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