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70046 (1999 EN3)
Classification: Main-belt Asteroid          SPK-ID: 2070046
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718423042736451 5.2861e-08  
a 2.130740459989153 9.5876e-09 au
q 1.764589109535531 1.1749e-07 au
i .9158592036755043 6.3602e-06 deg
node 35.34867154609238 0.00025319 deg
peri 249.820520860697 0.00025406 deg
M 183.7065602036362 2.2815e-05 deg
tp 2459556.824141955610
(2021-Dec-08.32414196)
7.4684e-05 TDB
period 1136.041654955276
3.11
7.6677e-06
2.099e-08
d
yr
n .3168897887060071 2.1388e-09 deg/d
Q 2.496891810442776 1.1235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      8152 days (22.32 yr)  
   first obs. used      1997-10-03  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:03:09  

Additional Information
 Earth MOID = .748422 au 
 Jupiter MOID = 2.64702 au 
 T_jup = 3.703 
[ 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 17.1   n/a MPO432253  

70046 (1999 EN3)          Discovered 1999-Mar-10 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 EN3 = 2000 SZ81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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