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JPL Small-Body Database Browser
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469181 (2016 ER201)
Classification: Main-belt Asteroid          SPK-ID: 2469181
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982771781516362 8.9006e-08  
a 2.568039242689633 4.8071e-08 au
q 2.058855668266468 2.2416e-07 au
i 13.55308092205519 7.4663e-06 deg
node 307.7549497322565 3.5462e-05 deg
peri 198.7789600879005 4.134e-05 deg
M 307.3883396179855 2.7207e-05 deg
tp 2458820.174890239293
(2019-Dec-02.67489024)
0.00011627 TDB
period 1503.145118628121
4.12
4.2206e-05
1.156e-07
d
yr
n .2394978339340663 6.7248e-09 deg/d
Q 3.077222817112799 5.7603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      7248 days (19.84 yr)  
   first obs. used      1998-12-17  
   last obs. used      2018-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62588  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:39:25  

Additional Information
 Earth MOID = 1.07637 au 
 Jupiter MOID = 1.98406 au 
 T_jup = 3.365 
[ 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 16.3   n/a MPO380656  

469181 (2016 ER201)          Discovered 2009-Jul-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2016 ER201 = 2009 OP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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