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134585 (1999 TN56)
Classification: Main-belt Asteroid          SPK-ID: 2134585
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874283095246413 5.2613e-08  
a 2.369601016827678 1.2206e-08 au
q 1.925470703995795 1.2876e-07 au
i 1.731081457060049 5.8677e-06 deg
node 29.43270492607072 0.00017522 deg
peri .7789434461514443 0.00017582 deg
M 288.2971291427214 1.7086e-05 deg
tp 2459465.866020575497
(2021-Sep-08.36602058)
6.4466e-05 TDB
period 1332.328347038304
3.65
1.0295e-05
2.819e-08
d
yr
n .2702036632338126 2.0878e-09 deg/d
Q 2.81373132965956 1.4494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:07:59  

Additional Information
 Earth MOID = .929637 au 
 Jupiter MOID = 2.6289 au 
 T_jup = 3.521 
[ 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 16.93   n/a E2021B55  
rotation period rot_per 7.942 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

134585 (1999 TN56)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 TN56 = 2003 YB79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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