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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310989004686307 5.2356e-08  
a 3.117891419095772 4.6744e-08 au
q 2.709139282271738 1.8816e-07 au
i 9.868553694928014 4.7352e-06 deg
node 101.0297828578273 3.7961e-05 deg
peri 309.3478070433637 4.9221e-05 deg
M .6752029555341627 2.8535e-05 deg
tp 2459392.728433749088
(2021-Jun-27.22843375)
0.00015937 TDB
period 2010.897374188839
5.51
4.5222e-05
1.238e-07
d
yr
n .1790245512380848 4.0259e-09 deg/d
Q 3.526643555919807 5.2872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4977 days (13.63 yr)  
   first obs. used      2007-03-25  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:58  

Additional Information
 Earth MOID = 1.73312 au 
 Jupiter MOID = 1.84566 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458101.5 (2017-Dec-14.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333724164510064 5.3097e-08  
q 2.704738907427061 1.9029e-07 au
tp 2457361.821008822146
(2015-Dec-05.32100882)
0.00014834 TDB
node 101.2539926574476 3.8245e-05 deg
peri 306.6049371601583 4.8508e-05 deg
i 9.830773151614375 4.7076e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4977 days (13.63 yr)  
   first obs. used      2007-03-25  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:58  

Additional Information
 Jupiter MOID = 1.84566 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.819279275860547E-15 -9.936514835913878E-15 -1.003767260509076E-12 -3.136269149576852E-14 -1.507735316194291E-13 -1.26772234076081E-14
q -9.936514835913878E-15 3.62090617602348E-14 2.996200287749626E-12 1.337691510842511E-13 4.96229170656217E-13 4.962560244890403E-14
tp -1.003767260509076E-12 2.996200287749626E-12 2.200418793723306E-8 -1.184834669918182E-11 4.478218140942862E-9 1.730979786687871E-11
node -3.136269149576852E-14 1.337691510842511E-13 -1.184834669918182E-11 1.462648030906094E-9 -1.443391910565604E-9 5.58654821592988E-11
peri -1.507735316194291E-13 4.96229170656217E-13 4.478218140942862E-9 -1.443391910565604E-9 2.353002858033801E-9 -5.137911741097555E-11
i -1.26772234076081E-14 4.962560244890403E-14 1.730979786687871E-11 5.58654821592988E-11 -5.137911741097555E-11 2.216131378817632E-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 16.36   n/a E2021B25  

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

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