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175825 (1999 TR56)
Classification: Main-belt Asteroid          SPK-ID: 2175825
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523761419436677 3.9979e-08  
a 2.353930137998747 9.7786e-09 au
q 1.995247345165573 9.2208e-08 au
i 2.556550209407757 4.2203e-06 deg
node 32.94915440219468 8.6177e-05 deg
peri 112.1708612366488 8.7121e-05 deg
M 208.3232424646682 1.3971e-05 deg
tp 2459756.283073454919
(2022-Jun-25.78307346)
5.289e-05 TDB
period 1319.133594988432
3.61
8.2198e-06
2.25e-08
d
yr
n .2729063996002293 1.7005e-09 deg/d
Q 2.712612930831922 1.1269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      7676 days (21.02 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:59  

Additional Information
 Earth MOID = 1.00882 au 
 Jupiter MOID = 2.29393 au 
 T_jup = 3.539 
[ 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 16.62   n/a E2021B55  

175825 (1999 TR56)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1999 TR56 = 2001 HJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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