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434304 (2004 FC21)
Classification: Main-belt Asteroid          SPK-ID: 2434304
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588516086781557 5.1731e-08  
a 3.048167877363677 3.8412e-08 au
q 2.563961506523377 1.7006e-07 au
i 26.93442341304593 9.7611e-06 deg
node 2.59521306772892 1.1407e-05 deg
peri 253.7053263731556 3.345e-05 deg
M 316.7654936719976 3.0421e-05 deg
tp 2459233.945095139447
(2021-Jan-19.44509514)
0.00016546 TDB
period 1943.82314932943
5.32
3.6744e-05
1.006e-07
d
yr
n .185202033489616 3.5008e-09 deg/d
Q 3.532374248203976 4.4514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      5908 days (16.18 yr)  
   first obs. used      2004-02-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:25:00  

Additional Information
 Earth MOID = 1.68335 au 
 Jupiter MOID = 1.80299 au 
 T_jup = 3.054 
[ 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 15.7   n/a MPO472393  

434304 (2004 FC21)          Discovered 2004-Feb-23 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04

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