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541977 (2012 FE78)
Classification: Main-belt Asteroid          SPK-ID: 2541977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04888838337401931 9.4714e-08  
a 2.59491287147402 3.2115e-08 au
q 2.46805177619122 2.6073e-07 au
i 15.09582846130487 9.4663e-06 deg
node 8.251549370324849 2.7088e-05 deg
peri 189.8736574900648 9.3182e-05 deg
M 21.93271373312308 8.9247e-05 deg
tp 2459107.480828564480
(2020-Sep-14.98082856)
0.00037797 TDB
period 1526.801567934336
4.18
2.8344e-05
7.76e-08
d
yr
n .2357870253480658 4.3771e-09 deg/d
Q 2.721773966756818 3.3685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5358 days (14.67 yr)  
   first obs. used      2005-08-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54755  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:25:05  

Additional Information
 Earth MOID = 1.46759 au 
 Jupiter MOID = 2.23619 au 
 T_jup = 3.367 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.87   n/a MPCxxxxx  

541977 (2012 FE78)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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