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48639 (1995 TL8)
Classification: TransNeptunian Object          SPK-ID: 2048639
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .239292960791577 1.1268e-05  
a 52.46270523360067 0.0013025 au
q 39.9087491671166 0.0004378 au
i .2503691023806967 3.9991e-05 deg
node 259.9631337533506 0.0055158 deg
peri 84.091166720288 0.0063257 deg
M 46.83462849194692 0.0034293 deg
tp 2440943.773187398354
(1970-Dec-23.27318740)
0.6548 TDB
period 138795.2005139599
380.00
5.169
0.01415
d
yr
n .002593749630152316 9.6596e-08 deg/d
Q 65.01666130008473 0.0016142 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      9156 days (25.07 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .49837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:49:53  

Additional Information
 Earth MOID = 38.9014 au 
 Jupiter MOID = 34.9251 au 
 T_jup = 6.265 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.8   n/a MPO422016  

48639 (1995 TL8)          Discovered 1995-Oct-15 by Gleason, A. at Steward
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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