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178846 (2001 JT)
Classification: Main-belt Asteroid          SPK-ID: 2178846
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302961405047564 1.156e-07  
a 2.320108403664094 1.5572e-08 au
q 2.017807233114011 2.74e-07 au
i 4.578599698807028 7.4461e-06 deg
node 43.82569065740937 7.2206e-05 deg
peri 189.9602565832396 8.2879e-05 deg
M 178.6275116687918 5.0861e-05 deg
tp 2458560.018351991531
(2019-Mar-17.51835199)
0.00017808 TDB
period 1290.805605077086
3.53
1.2996e-05
3.558e-08
d
yr
n .2788955971247903 2.8079e-09 deg/d
Q 2.622409574214176 1.7601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7210 days (19.74 yr)  
   first obs. used      2001-03-16  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:19:54  

Additional Information
 Earth MOID = 1.00556 au 
 Jupiter MOID = 2.36748 au 
 T_jup = 3.563 
[ show covariance matrix ]

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 17.06   n/a MPCxxxxx  

178846 (2001 JT)          Discovered 2001-May-10 by Sarounova, L. at Ondrejov
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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