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213475 (2002 EN120)
Classification: Main-belt Asteroid          SPK-ID: 2213475
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 .124684466230956 3.18e-08  
a 2.223453462036479 8.5219e-09 au
q 1.946223353933089 7.0363e-08 au
i 4.219660271497128 4.1837e-06 deg
node 168.5172181678621 6.2066e-05 deg
peri 139.4495286238955 6.63e-05 deg
M 102.2426736301331 2.5185e-05 deg
tp 2458856.569897108625
(2020-Jan-08.06989711)
8.4191e-05 TDB
period 1210.989821029135
3.32
6.9621e-06
1.906e-08
d
yr
n .2972774780997428 1.7091e-09 deg/d
Q 2.500683570139868 9.5844e-09 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      22051 days (60.37 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:50  

Additional Information
 Earth MOID = .93199 au 
 Jupiter MOID = 2.71445 au 
 T_jup = 3.634 
[ 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 17.43   n/a MPCxxxxx  

213475 (2002 EN120)          Discovered 2002-Mar-11 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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