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120627 (1996 EM9)
Classification: Main-belt Asteroid          SPK-ID: 2120627
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 .1034743742061997 4.4632e-08  
a 3.113103446194813 2.3251e-08 au
q 2.790977015260641 1.3378e-07 au
i 1.370499497216825 4.5969e-06 deg
node 43.52831774888761 0.00019134 deg
peri 121.7841495762736 0.00019256 deg
M 172.6924946189507 2.262e-05 deg
tp 2458238.090907190489
(2018-Apr-29.59090719)
0.00012301 TDB
period 2006.267117606416
5.49
2.2476e-05
6.154e-08
d
yr
n .1794377213486404 2.0103e-09 deg/d
Q 3.435229877128985 2.5657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      8979 days (24.58 yr)  
   first obs. used      1996-03-12  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:55:52  

Additional Information
 Earth MOID = 1.79824 au 
 Jupiter MOID = 1.53509 au 
 T_jup = 3.210 
[ 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 15.81   n/a E2021B55  

120627 (1996 EM9)          Discovered 1996-Mar-12 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1996 EM9 = 2004 RJ283 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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