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27766 (1991 TO)
Classification: Main-belt Asteroid          SPK-ID: 2027766
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151308531639951 5.9931e-08  
a 2.257427614801679 1.7625e-08 AU
q 1.997528047553599 1.4133e-07 AU
i 5.14176906273125 6.2165e-06 deg
node 121.9692123801623 6.5783e-05 deg
peri 246.2070011714557 7.2329e-05 deg
M 304.3038887378227 3.4439e-05 deg
tp 2457192.164442275306
(2015-Jun-18.66444228)
0.00011977 JED
period 1238.851288814605
3.39
1.4509e-05
3.972e-08
d
yr
n .2905917790540186 3.4032e-09 deg/d
Q 2.517327182049759 1.9654e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      8380 days (22.94 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59501  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:23:21  

Additional Information
 Earth MOID = 1.00249 AU 
 T_jup = 3.608 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6 mag n/a MPO259532  

27766 (1991 TO)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring (413)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 TO = 1997 LA14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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