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JPL Small-Body Database Browser
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46621 (1994 EC7)
Classification: Main-belt Asteroid          SPK-ID: 2046621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131597930245281 3.0531e-08  
a 2.248303316938517 7.6348e-09 au
q 1.993885778937394 7.0082e-08 au
i 5.785826661818716 4.3363e-06 deg
node 36.28941936882953 3.4085e-05 deg
peri 79.60720740174777 4.0248e-05 deg
M 321.179945637567 2.2893e-05 deg
tp 2459133.280535901307
(2020-Oct-10.78053590)
7.8672e-05 TDB
period 1231.347913070633
3.37
6.2721e-06
1.717e-08
d
yr
n .2923625371664958 1.4892e-09 deg/d
Q 2.502720854939639 8.4987e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      9463 days (25.91 yr)  
   first obs. used      1994-02-08  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:10:20  

Additional Information
 Earth MOID = 1.01979 au 
 Jupiter MOID = 2.57823 au 
 T_jup = 3.614 
[ 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 15.1   n/a MPO296483  

46621 (1994 EC7)          Discovered 1994-Mar-09 by Elst, E. W. at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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