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487867 (2015 TB123)
Classification: Main-belt Asteroid          SPK-ID: 2487867
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311625007231696 5.462e-08  
a 3.119382516544284 6.2989e-08 au
q 2.710236504962202 1.8878e-07 au
i 9.868828479589103 5.8396e-06 deg
node 101.0328716674123 3.9707e-05 deg
peri 309.0853769051528 5.0421e-05 deg
M 290.0249196920464 2.8483e-05 deg
tp 2459391.649052179029
(2021-Jun-26.14905218)
0.0001618 TDB
period 2012.340081136644
5.51
6.0952e-05
1.669e-07
d
yr
n .1788962031689289 5.4186e-09 deg/d
Q 3.528528528126366 7.1251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      4876 days (13.35 yr)  
   first obs. used      2007-03-25  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 02:25:48  

Additional Information
 Earth MOID = 1.73469 au 
 Jupiter MOID = 1.84397 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457617.5 (2016-Aug-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339347181198974 5.587e-08  
q 2.700380896661276 1.9215e-07 au
tp 2457360.566986527218
(2015-Dec-04.06698653)
0.00014745 TDB
node 101.2945076939287 4.0016e-05 deg
peri 306.1696709347563 4.9628e-05 deg
i 9.833455525076694 5.8165e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      4876 days (13.35 yr)  
   first obs. used      2007-03-25  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 02:25:48  

Additional Information
 Jupiter MOID = 1.84397 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.121509281156028E-15 -1.032900273546878E-14 -1.218544831506766E-12 -3.891034296560157E-14 -1.983036172411542E-13 -1.150667815797517E-14
q -1.032900273546878E-14 3.691987001340121E-14 3.199170381446475E-12 1.529014064183649E-13 5.350595022408282E-13 4.561794684330661E-14
tp -1.218544831506766E-12 3.199170381446475E-12 2.1740398813025E-8 3.163345804680222E-11 4.392188063511715E-9 4.911404404903764E-12
node -3.891034296560157E-14 1.529014064183649E-13 3.163345804680222E-11 1.601306338862363E-9 -1.570825157235793E-9 1.945559872425665E-11
peri -1.983036172411542E-13 5.350595022408282E-13 4.392188063511715E-9 -1.570825157235793E-9 2.46298598930778E-9 -1.798195769379485E-11
i -1.150667815797517E-14 4.561794684330661E-14 4.911404404903764E-12 1.945559872425665E-11 -1.798195769379485E-11 3.383174734033329E-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 16.2   n/a MPO446847  

487867 (2015 TB123)          Discovered 2014-Jul-29 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

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Alternate Designations
 2015 TB123 = 2014 OJ248 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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