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152254 (2005 SD116)
Classification: Main-belt Asteroid          SPK-ID: 2152254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0541573141414678 3.7921e-08  
a 2.860516080097655 1.6071e-08 au
q 2.705598212141086 1.0946e-07 au
i 1.38148498734493 4.092e-06 deg
node 344.3267381630189 0.00016975 deg
peri 85.31228100266637 0.00017454 deg
M 1.294139140454269 3.9654e-05 deg
tp 2459194.147517334140
(2020-Dec-10.64751733)
0.00019464 TDB
period 1767.115828756201
4.84
1.4892e-05
4.077e-08
d
yr
n .2037217901292803 1.7168e-09 deg/d
Q 3.015433948054224 1.6941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7401 days (20.26 yr)  
   first obs. used      2000-10-02  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:21  

Additional Information
 Earth MOID = 1.7196 au 
 Jupiter MOID = 2.13657 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457308.5 (2015-Oct-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05249106022717648 3.722e-08  
q 2.710606780570429 1.0705e-07 au
tp 2457411.408651814300
(2016-Jan-23.90865181)
0.00020442 TDB
node 344.6540113036677 0.00016902 deg
peri 82.01388004395007 0.00017434 deg
i 1.385688559241547 4.0961e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7401 days (20.26 yr)  
   first obs. used      2000-10-02  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:21  

Additional Information
 Jupiter MOID = 2.13657 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.385319028901092E-15 -3.9436521410704E-15 1.05298414151107E-12 6.252557322044284E-15 2.432563222660057E-13 -3.316737862359666E-16
q -3.9436521410704E-15 1.146076415452907E-14 -3.088598071973517E-12 -2.213429235489964E-14 -7.102575771865079E-13 1.072188523248837E-15
tp 1.05298414151107E-12 -3.088598071973517E-12 4.17876415410831E-8 7.351424996744419E-13 8.758171788086978E-9 8.023431876231732E-13
node 6.252557322044284E-15 -2.213429235489964E-14 7.351424996744419E-13 2.856866887131435E-8 -2.8559655637773E-8 -3.989777292763474E-11
peri 2.432563222660057E-13 -7.102575771865079E-13 8.758171788086978E-9 -2.8559655637773E-8 3.039572889003383E-8 4.003432879432837E-11
i -3.316737862359666E-16 1.072188523248837E-15 8.023431876231732E-13 -3.989777292763474E-11 4.003432879432837E-11 1.677822214555247E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.56   n/a MPCxxxxx  

152254 (2005 SD116)          Discovered 2005-Sep-27 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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