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72781 (2001 FG166)
Classification: Main-belt Asteroid          SPK-ID: 2072781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394012677307674 5.1762e-08  
a 3.184900623486023 2.8231e-08 au
q 2.74092143897556 1.6345e-07 au
i 2.011771793542332 5.6679e-06 deg
node 63.73223088478277 0.0002133 deg
peri 180.8013759592312 0.00021497 deg
M 126.357746049595 2.7902e-05 deg
tp 2458471.811987134264
(2018-Dec-19.31198713)
0.00015851 TDB
period 2076.071256673907
5.68
2.7604e-05
7.558e-08
d
yr
n .1734044526856748 2.3056e-09 deg/d
Q 3.628879807996486 3.2167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      9433 days (25.83 yr)  
   first obs. used      1995-03-10  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:01  

Additional Information
 Earth MOID = 1.72623 au 
 Jupiter MOID = 1.3906 au 
 T_jup = 3.182 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.71   n/a MPCxxxxx  

72781 (2001 FG166)          Discovered 2001-Mar-19 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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