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JPL Small-Body Database Browser
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172874 (2005 EO161)
Classification: Main-belt Asteroid          SPK-ID: 2172874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2515446897189489 4.8509e-08  
a 3.078567215058494 3.2622e-08 au
q 2.304169980167676 1.4916e-07 au
i 2.924828051587093 7.7177e-06 deg
node 54.88294244938032 0.00012943 deg
peri 225.8003468403527 0.00013047 deg
M 236.2326004276781 1.6715e-05 deg
tp 2459678.805209405216
(2022-Apr-09.30520941)
9.4994e-05 TDB
period 1972.974112970586
5.40
3.136e-05
8.586e-08
d
yr
n .1824656479947271 2.9002e-09 deg/d
Q 3.852964449949312 4.0828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1996-11-06  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64015  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:05:41  

Additional Information
 Earth MOID = 1.28892 au 
 Jupiter MOID = 1.31668 au 
 T_jup = 3.177 
[ 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 16.1   n/a MPO422659  

172874 (2005 EO161)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2005 EO161 = 2000 KU19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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