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344824 (2004 ER60)
Classification: Main-belt Asteroid          SPK-ID: 2344824
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04762758957651733 6.555e-08  
a 3.157407640848335 4.6598e-08 au
q 3.007027925604251 2.0916e-07 au
i 16.90361049344552 6.8269e-06 deg
node 92.52253398143047 2.2119e-05 deg
peri 133.5279189325412 7.7161e-05 deg
M 280.2172703406698 7.65e-05 deg
tp 2459454.651549792748
(2021-Aug-28.15154979)
0.00044118 TDB
period 2049.247482801176
5.61
4.5365e-05
1.242e-07
d
yr
n .1756742428727571 3.889e-09 deg/d
Q 3.307787356092419 4.8818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5849 days (16.01 yr)  
   first obs. used      2004-01-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:06:24  

Additional Information
 Earth MOID = 2.0142 au 
 Jupiter MOID = 1.81591 au 
 T_jup = 3.137 
[ 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 15.2   n/a MPO471583  

344824 (2004 ER60)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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