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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992099367541032 4.413e-08  
a 2.207532585569875 9.9141e-09 au
q 1.767770158815878 9.5418e-08 au
i 6.350024611437757 6.0393e-06 deg
node 141.4610256204257 3.9149e-05 deg
peri 135.4537677966361 4.2381e-05 deg
M 195.5481694965721 1.7258e-05 deg
tp 2457947.762036816751
(2017-Jul-13.26203682)
5.8826e-05 JED
period 1198.006325930946
3.28
8.0704e-06
2.21e-08
d
yr
n .3004992479653655 2.0243e-09 deg/d
Q 2.647295012323871 1.1889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      8903 days (24.38 yr)  
   first obs. used      1991-08-05  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58886  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:04:46  

Additional Information
 Earth MOID = .756533 au 
 Jupiter MOID = 2.48968 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 14.6 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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