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135169 (2001 QQ255)
Classification: Main-belt Asteroid          SPK-ID: 2135169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07488768456884272 4.1848e-08  
a 3.120749757937617 2.4728e-08 au
q 2.887044034446892 1.293e-07 au
i 8.60737536520131 4.4052e-06 deg
node 294.8774441485549 3.4779e-05 deg
peri 130.5855246298533 5.1422e-05 deg
M 132.9251769443823 3.89e-05 deg
tp 2458652.981821043151
(2019-Jun-18.48182104)
0.00021422 TDB
period 2013.663254602708
5.51
2.3934e-05
6.553e-08
d
yr
n .1787786508876964 2.1249e-09 deg/d
Q 3.354455481428341 2.658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      8533 days (23.36 yr)  
   first obs. used      1997-12-28  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:15:07  

Additional Information
 Earth MOID = 1.91017 au 
 Jupiter MOID = 1.87761 au 
 T_jup = 3.194 
[ 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 14.79   n/a E2021B55  

135169 (2001 QQ255)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 QQ255 = 1997 YL17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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