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173154 (1996 ME)
Classification: Mars-crossing Asteroid          SPK-ID: 2173154
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3051608458583982 3.9341e-08  
a 2.212080486055057 8.4079e-09 au
q 1.537040133823639 8.9093e-08 au
i 7.68223530152 4.3797e-06 deg
node 121.6971900189685 2.7518e-05 deg
peri 208.7273050530647 2.8106e-05 deg
M 113.1793491560857 5.8452e-06 deg
tp 2458822.697780286694
(2019-Dec-05.19778029)
1.855e-05 TDB
period 1201.710383660366
3.29
6.8514e-06
1.876e-08
d
yr
n .2995730126783569 1.708e-09 deg/d
Q 2.887120838286475 1.0974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      9014 days (24.68 yr)  
   first obs. used      1996-06-16  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54636  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:55:53  

Additional Information
 Earth MOID = .529028 au 
 Jupiter MOID = 2.48636 au 
 T_jup = 3.583 
[ 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 16.79   n/a MPCxxxxx  

173154 (1996 ME)          Discovered 1996-Jun-16 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1996 ME = 2003 SY268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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