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JPL Small-Body Database Browser
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172093 (2002 EM28)
Classification: Main-belt Asteroid          SPK-ID: 2172093
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177512632538879 3.6935e-08  
a 2.23023791390046 1.0578e-08 au
q 1.967624582181965 8.4464e-08 au
i 2.232983227746328 4.7835e-06 deg
node 359.6393238230091 0.00010419 deg
peri 258.7417194360902 0.00010728 deg
M 90.56414535535644 2.2172e-05 deg
tp 2458694.459423799188
(2019-Jul-29.95942380)
7.5804e-05 TDB
period 1216.536709974883
3.33
8.6552e-06
2.37e-08
d
yr
n .2959220194904209 2.1054e-09 deg/d
Q 2.492851245618954 1.1824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:43:47  

Additional Information
 Earth MOID = .95397 au 
 Jupiter MOID = 2.55183 au 
 T_jup = 3.632 
[ 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 16.9   n/a MPO433104  

172093 (2002 EM28)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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