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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151308608935944 6.0514e-08  
a 2.25742761580927 1.7659e-08 AU
q 1.997528030996175 1.4246e-07 AU
i 5.141768503701272 6.2873e-06 deg
node 121.9692095036563 6.6635e-05 deg
peri 246.2070024286928 7.3121e-05 deg
M 304.3038895019956 3.4446e-05 deg
tp 2457192.164439773916
(2015-Jun-18.66443977)
0.00011979 JED
period 1238.851289644038
3.39
1.4536e-05
3.98e-08
d
yr
n .2905917788594624 3.4097e-09 deg/d
Q 2.517327200622366 1.9692e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59291  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:45:03  

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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