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181929 (1999 TR134)
Classification: Main-belt Asteroid          SPK-ID: 2181929
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277587991608039 3.4172e-08  
a 3.066638028869729 1.9661e-08 au
q 2.674848036840478 1.0737e-07 au
i 11.24306992294986 4.4155e-06 deg
node 201.5086019199016 1.8242e-05 deg
peri 103.517888842807 3.2958e-05 deg
M 39.09110003434117 2.2896e-05 deg
tp 2458987.505890272817
(2020-May-18.00589027)
0.00012518 TDB
period 1961.517568818097
5.37
1.8864e-05
5.165e-08
d
yr
n .1835313665923045 1.765e-09 deg/d
Q 3.45842802089898 2.2173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      7722 days (21.14 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:38  

Additional Information
 Earth MOID = 1.68722 au 
 Jupiter MOID = 1.88228 au 
 T_jup = 3.190 
[ 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 15.41   n/a E2021B55  

181929 (1999 TR134)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1999 TR134 = 2003 HZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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