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186799 (2004 ER51)
Classification: Main-belt Asteroid          SPK-ID: 2186799
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640744121454745 6.6037e-08  
a 2.358470154799821 1.5308e-08 au
q 1.971505550588394 1.5667e-07 au
i 3.107837642094558 7.3576e-06 deg
node 180.4352965216219 9.3785e-05 deg
peri 56.11928376449283 9.5605e-05 deg
M 228.3837224367809 2.2362e-05 deg
tp 2459880.172178722325
(2022-Oct-27.67217872)
8.5001e-05 TDB
period 1322.951747031452
3.62
1.2881e-05
3.527e-08
d
yr
n .272118768358557 2.6494e-09 deg/d
Q 2.745434759011248 1.782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6134 days (16.79 yr)  
   first obs. used      2004-02-19  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:45  

Additional Information
 Earth MOID = .962332 au 
 Jupiter MOID = 2.25306 au 
 T_jup = 3.533 
[ 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 16.78   n/a MPCxxxxx  

186799 (2004 ER51)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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