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JPL Small-Body Database Browser
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172780 (2004 ED66)
Classification: Main-belt Asteroid          SPK-ID: 2172780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03167661103058869 4.5944e-08  
a 2.61637742351906 1.6249e-08 au
q 2.533499453565033 1.1722e-07 au
i 1.172025667185685 4.1209e-06 deg
node 273.6830267225202 0.00024203 deg
peri 260.1902394579585 0.00025128 deg
M 297.1864412234336 6.929e-05 deg
tp 2459270.211779957961
(2021-Feb-24.71177996)
0.00029822 TDB
period 1545.78474259429
4.23
1.44e-05
3.943e-08
d
yr
n .2328914175953193 2.1696e-09 deg/d
Q 2.699255393473087 1.6764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      9135 days (25.01 yr)  
   first obs. used      1994-11-29  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56658  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:01:06  

Additional Information
 Earth MOID = 1.53756 au 
 Jupiter MOID = 2.26439 au 
 T_jup = 3.406 
[ 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 16.0   n/a MPO454185  

172780 (2004 ED66)          Discovered 2004-Mar-14 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 ED66 = 2000 GN33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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