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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1993036250504124 5.0606e-08  
a 2.207922971484373 1.5364e-08 AU
q 1.76787591943546 1.1485e-07 AU
i 6.349876833449469 6.6488e-06 deg
node 141.4602650146101 5.1292e-05 deg
peri 135.5458566159783 5.4777e-05 deg
M 15.15101851473697 2.2857e-05 deg
tp 2456750.067135976393
(2014-Apr-02.56713598)
7.5771e-05 JED
period 1198.324127901952
3.28
1.2508e-05
3.425e-08
d
yr
n .3004195539568202 3.1357e-09 deg/d
Q 2.647970023533287 1.8426e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      8365 days (22.90 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58508  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:57:41  

Additional Information
 Earth MOID = .757698 AU 
 T_jup = 3.626 
[ 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 14.5 mag n/a MPO263584  

27755 (1991 PD11)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675)
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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