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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149414910810569 4.8197e-08  
a 2.257024740460629 1.2296e-08 au
q 1.997598951385249 1.0761e-07 au
i 5.141707262055046 5.0887e-06 deg
node 121.967583775449 6.0468e-05 deg
peri 246.1715023344927 6.5437e-05 deg
M 60.58674351323547 2.5072e-05 deg
tp 2457192.061463256880
(2015-Jun-18.56146326)
8.6006e-05 JED
period 1238.519664142878
3.39
1.0121e-05
2.771e-08
d
yr
n .2906695875911986 2.3753e-09 deg/d
Q 2.516450529536009 1.3709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1991-09-12  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58653  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:04:50  

Additional Information
 Earth MOID = 1.00063 au 
 Jupiter MOID = 2.92504 au 
 T_jup = 3.609 
[ 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 15.7 mag n/a MPO358889  

27766 (1991 TO)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
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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