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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992766766428465 4.5836e-08  
a 2.207673796085046 1.1439e-08 AU
q 1.767735898889721 1.0051e-07 AU
i 6.35007002275398 6.6264e-06 deg
node 141.4607021718075 4.5587e-05 deg
peri 135.5149185792616 4.8995e-05 deg
M 75.26680178359148 1.8798e-05 deg
tp 2456750.003453464888
(2014-Apr-02.50345346)
6.1875e-05 JED
period 1198.121278115734
3.28
9.3122e-06
2.55e-08
d
yr
n .3004704169565925 2.3354e-09 deg/d
Q 2.647611693280371 1.3719e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      8424 days (23.06 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58806  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:23:21  

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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