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180555 (2004 ER25)
Classification: Main-belt Asteroid          SPK-ID: 2180555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470519781388244 4.1198e-08  
a 2.431158369727188 1.2851e-08 au
q 2.073651722290045 1.005e-07 au
i 6.784988998531245 4.8517e-06 deg
node 195.6928159355048 3.821e-05 deg
peri 112.8548600483263 4.1953e-05 deg
M 22.21828457860576 2.0504e-05 deg
tp 2459115.047194265336
(2020-Sep-22.54719427)
7.8468e-05 TDB
period 1384.580792258866
3.79
1.0978e-05
3.006e-08
d
yr
n .2600064958381231 2.0615e-09 deg/d
Q 2.78866501716433 1.474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      8598 days (23.54 yr)  
   first obs. used      1997-05-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52132  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:59  

Additional Information
 Earth MOID = 1.06886 au 
 Jupiter MOID = 2.47999 au 
 T_jup = 3.483 
[ 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 15.84   n/a E2021B55  

180555 (2004 ER25)          Discovered 2004-Mar-13 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 ER25 = 2001 LP10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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