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70551 (1999 TR138)
Classification: Main-belt Asteroid          SPK-ID: 2070551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063090808898008 6.5142e-08  
a 2.523040383682662 1.2186e-08 au
q 2.254818279445508 1.6688e-07 au
i 12.94796276036955 5.3668e-06 deg
node 206.7266702333593 1.7506e-05 deg
peri 2.979024391970212 3.6897e-05 deg
M 324.9478074004866 3.7879e-05 deg
tp 2459539.027090023460
(2021-Nov-20.52709002)
0.00015414 TDB
period 1463.810067309681
4.01
1.0605e-05
2.903e-08
d
yr
n .2459335456420516 1.7817e-09 deg/d
Q 2.791262487919816 1.3481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      10781 days (29.52 yr)  
   first obs. used      1991-10-03  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:44:26  

Additional Information
 Earth MOID = 1.25059 au 
 Jupiter MOID = 2.16976 au 
 T_jup = 3.412 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.21   n/a MPCxxxxx  

70551 (1999 TR138)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TR138 = 1995 US22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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