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JPL Small-Body Database Browser
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183966 (2004 ER1)
Classification: Main-belt Asteroid          SPK-ID: 2183966
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353027550888737 3.963e-08  
a 2.359593344708143 1.2204e-08 au
q 2.040333864279761 9.7352e-08 au
i 6.126625725361126 4.5547e-06 deg
node 176.4528204749894 4.018e-05 deg
peri 117.1959996277666 4.5102e-05 deg
M 312.2806260544382 1.8461e-05 deg
tp 2458775.987588980008
(2019-Oct-19.48758898)
6.768e-05 TDB
period 1323.896916687833
3.62
1.0271e-05
2.812e-08
d
yr
n .2719244946205173 2.1096e-09 deg/d
Q 2.678852825136525 1.3855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      6644 days (18.19 yr)  
   first obs. used      2001-06-15  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57941  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:50:50  

Additional Information
 Earth MOID = 1.03258 au 
 Jupiter MOID = 2.50852 au 
 T_jup = 3.532 
[ 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 MPO433204  

183966 (2004 ER1)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2004 ER1 = 2001 LK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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