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469847 (2005 TJ108)
Classification: Main-belt Asteroid          SPK-ID: 2469847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09477105606073873 8.7891e-08  
a 2.440897841068854 2.706e-08 au
q 2.209571374934382 2.1049e-07 au
i 3.911481516433505 8.5152e-06 deg
node 309.3415712184871 0.00015304 deg
peri 114.7204616982061 0.00016114 deg
M 258.9364737502494 5.3998e-05 deg
tp 2459391.534232142738
(2021-Jun-26.03423214)
0.00021145 TDB
period 1392.909279887047
3.81
2.3163e-05
6.342e-08
d
yr
n .2584518641653338 4.2979e-09 deg/d
Q 2.672224307203327 2.9625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      7966 days (21.81 yr)  
   first obs. used      1997-08-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:45  

Additional Information
 Earth MOID = 1.22641 au 
 Jupiter MOID = 2.56174 au 
 T_jup = 3.492 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457168.5 (2015-May-26.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09629246635216937 8.8342e-08  
q 2.204709010229603 2.1233e-07 au
tp 2456605.001985858913
(2013-Nov-08.50198586)
0.00019324 TDB
node 309.4271872231773 0.00015333 deg
peri 114.2400640279846 0.00016109 deg
i 3.908513819865756 8.5088e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      7966 days (21.81 yr)  
   first obs. used      1997-08-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:45  

Additional Information
 Jupiter MOID = 2.56174 au 
 T_jup = 3.492 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.804319299950989E-15 -1.864243220603671E-14 -7.603764614878028E-13 -9.680836877647972E-14 -1.650118272837563E-13 3.937122868685591E-15
q -1.864243220603671E-14 4.508196230301889E-14 2.826460897116012E-12 2.145094195220208E-13 6.995661688020739E-13 -9.652725997563662E-15
tp -7.603764614878028E-13 2.826460897116012E-12 3.73398734413629E-8 -1.750425062673875E-10 9.676093771681085E-9 -1.57062484237116E-11
node -9.680836877647972E-14 2.145094195220208E-13 -1.750425062673875E-10 2.350995730298523E-8 -2.349793808875619E-8 1.846409137859304E-11
peri -1.650118272837563E-13 6.995661688020739E-13 9.676093771681085E-9 -2.349793808875619E-8 2.595071481962334E-8 -2.24593404846931E-11
i 3.937122868685591E-15 -9.652725997563662E-15 -1.57062484237116E-11 1.846409137859304E-11 -2.24593404846931E-11 7.239955620573699E-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 17.8   n/a MPO477210  

469847 (2005 TJ108)          Discovered 2005-Oct-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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