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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992766670794968 4.4623e-08  
a 2.207673800115628 1.0556e-08 AU
q 1.767735923229858 9.6925e-08 AU
i 6.350070154094396 6.4236e-06 deg
node 141.4607009691205 4.3261e-05 deg
peri 135.5149218644047 4.6665e-05 deg
M 75.26679704386905 1.8057e-05 deg
tp 2456750.003468553225
(2014-Apr-02.50346855)
5.959e-05 JED
period 1198.121281396875
3.28
8.5932e-06
2.353e-08
d
yr
n .3004704161337327 2.155e-09 deg/d
Q 2.647611677001397 1.2659e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      8542 days (23.39 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57217  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:27:02  

Additional Information
 Earth MOID = .759431 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
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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