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46161 (2001 FK78)
Classification: Main-belt Asteroid          SPK-ID: 2046161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176764896086709 4.6671e-08  
a 2.672424782558573 1.3196e-08 au
q 2.090700737148007 1.2743e-07 au
i 8.760942119614981 5.184e-06 deg
node 174.4072716209621 2.9027e-05 deg
peri 328.1106753912371 3.0704e-05 deg
M 183.3305400388247 9.218e-06 deg
tp 2459783.597149919789
(2022-Jul-23.09714992)
4.2392e-05 TDB
period 1595.719905597024
4.37
1.1819e-05
3.236e-08
d
yr
n .2256035026806971 1.671e-09 deg/d
Q 3.254148827969139 1.6068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      10068 days (27.56 yr)  
   first obs. used      1990-10-23  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:29  

Additional Information
 Earth MOID = 1.10838 au 
 Jupiter MOID = 1.79048 au 
 T_jup = 3.330 
[ 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 15.1   n/a MPO302326  

46161 (2001 FK78)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20020822/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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