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362931 (2012 ES4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2362931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04770482758402022 5.0334e-08  
a 3.502786556163939 4.5908e-08 au
q 3.335686727438515 1.8182e-07 au
i 10.27105191306741 5.246e-06 deg
node 173.6211240421709 3.2846e-05 deg
peri 105.8711557284263 8.3733e-05 deg
M 7.666630494411767 7.2674e-05 deg
tp 2459149.505778077449
(2020-Oct-27.00577808)
0.00048391 TDB
period 2394.522587921701
6.56
4.7075e-05
1.289e-07
d
yr
n .1503431213453108 2.9556e-09 deg/d
Q 3.669886384889364 4.8098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      9984 days (27.33 yr)  
   first obs. used      1993-04-19  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:23  

Additional Information
 Earth MOID = 2.33828 au 
 Jupiter MOID = 1.44872 au 
 T_jup = 3.098 
[ 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 15.0   n/a MPO476711  

362931 (2012 ES4)          Discovered 1999-Mar-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2012 ES4 = 1995 OS18 = 1999 EV = 2010 BJ41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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