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27755 (1991 PD11)
Classification: Main-belt Asteroid          SPK-ID: 2027755
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989616836325919 4.4105e-08  
a 2.208131491365769 9.7953e-09 au
q 1.76879793216149 9.5423e-08 au
i 6.349462878464441 5.8425e-06 deg
node 141.4612751707767 3.7855e-05 deg
peri 135.3958583389498 4.089e-05 deg
M 255.6939803648465 1.7051e-05 deg
tp 2457947.750353242356
(2017-Jul-13.25035324)
5.7767e-05 JED
period 1198.493889465962
3.28
7.9748e-06
2.183e-08
d
yr
n .300377000804245 1.9987e-09 deg/d
Q 2.647465050570049 1.1744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      9012 days (24.67 yr)  
   first obs. used      1991-08-05  
   last obs. used      2016-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:50:05  

Additional Information
 Earth MOID = .75893 au 
 Jupiter MOID = 2.49049 au 
 T_jup = 3.625 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO347729  

27755 (1991 PD11)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PD11 = 1998 TM6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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