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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718337728960456 5.2764e-08  
a 2.130646241245 9.6013e-09 au
q 1.764529258905094 1.1728e-07 au
i .9158710735427132 6.3314e-06 deg
node 35.34383769557035 0.00025272 deg
peri 249.8623641297121 0.00025358 deg
M 247.0363207268774 2.3108e-05 deg
tp 2459556.952592376156
(2021-Dec-08.45259238)		 7.4649e-05 TDB
period 1135.966304223841
3.11		 7.6785e-06
2.102e-08		 d
yr
n .3169108085877365 2.1421e-09 deg/d
Q 2.496763223584906 1.1251e-08 au
   Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      8480 days (23.22 yr)  
   first obs. used      1997-10-03  
   last obs. used      2020-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:39:43  

Additional Information
 Earth MOID = .746441 au 
 Jupiter MOID = 2.64642 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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