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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992766668859794 4.4626e-08  
a 2.207673800156743 1.0557e-08 AU
q 1.767735923690004 9.6933e-08 AU
i 6.350069981394437 6.4247e-06 deg
node 141.4607022099755 4.3263e-05 deg
peri 135.5149205913872 4.6667e-05 deg
M 75.26679705735296 1.8057e-05 deg
tp 2456750.003468501351
(2014-Apr-02.50346850)
5.9591e-05 JED
period 1198.121281430345
3.28
8.5941e-06
2.353e-08
d
yr
n .3004704161253388 2.1553e-09 deg/d
Q 2.647611676623483 1.2661e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      989  
   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      .57456  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:12:07  

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 (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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