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175139 (2005 EM9)
Classification: Main-belt Asteroid          SPK-ID: 2175139
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178996809131915 5.0551e-08  
a 2.335133223409043 1.2531e-08 au
q 2.059821761479325 1.1968e-07 au
i 2.425298528600573 4.7064e-06 deg
node 222.9253536133942 0.00012194 deg
peri 318.4952730644529 0.00012367 deg
M 139.6944294717972 2.1266e-05 deg
tp 2458694.742293926285
(2019-Jul-30.24229393)
7.5736e-05 TDB
period 1303.364599969935
3.57
1.0492e-05
2.873e-08
d
yr
n .2762082075946394 2.2234e-09 deg/d
Q 2.610444685338762 1.4009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      7621 days (20.87 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:39:07  

Additional Information
 Earth MOID = 1.06261 au 
 Jupiter MOID = 2.35221 au 
 T_jup = 3.558 
[ 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 17.3   n/a MPO422673  

175139 (2005 EM9)          Discovered 2005-Mar-02 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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