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JPL Small-Body Database Browser
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173168 (1997 EB2)
Classification: Main-belt Asteroid          SPK-ID: 2173168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2347917424200805 2.7397e-08  
a 2.417168651473643 1.0758e-08 au
q 1.84963741207095 6.8055e-08 au
i 3.836829476893525 7.5206e-06 deg
node 176.4073673191924 4.8903e-05 deg
peri 270.1317937774566 5.2361e-05 deg
M 9.004448892909414 1.7014e-05 deg
tp 2458566.166862455998
(2019-Mar-23.66686246)
6.4789e-05 TDB
period 1372.646972939521
3.76
9.1642e-06
2.509e-08
d
yr
n .2622669973394985 1.751e-09 deg/d
Q 2.984699890876336 1.3284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1997-03-04  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54261  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:28:05  

Additional Information
 Earth MOID = .870613 au 
 Jupiter MOID = 2.25842 au 
 T_jup = 3.475 
[ 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 17.0   n/a MPO454188  

173168 (1997 EB2)          Discovered 1997-Mar-04 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1997 EB2 = 2003 UW161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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