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27767 (1991 TP)
Classification: Main-belt Asteroid          SPK-ID: 2027767
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09938123685785757 5.0983e-08  
a 3.071813710136455 3.0066e-08 au
q 2.76653306422617 1.6394e-07 au
i 14.04812384433885 6.4818e-06 deg
node 166.3233213424158 2.1839e-05 deg
peri 135.9715591260855 4.0694e-05 deg
M 282.7733640074547 3.66e-05 deg
tp 2458022.347378899947
(2017-Sep-25.84737890)
0.00020237 JED
period 1966.485454819505
5.38
2.8871e-05
7.904e-08
d
yr
n .183067715613001 2.6877e-09 deg/d
Q 3.37709435604674 3.3054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      8982 days (24.59 yr)  
   first obs. used      1991-09-12  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53411  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:50:06  

Additional Information
 Earth MOID = 1.77056 au 
 Jupiter MOID = 2.01522 au 
 T_jup = 3.177 
[ 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 13.3 mag n/a MPO365581  

27767 (1991 TP)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TP = 2001 WD103 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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