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172847 (2005 EC15)
Classification: Main-belt Asteroid          SPK-ID: 2172847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07872087025672933 5.5903e-08  
a 2.286021933039449 1.0093e-08 au
q 2.106064297044613 1.2604e-07 au
i 3.607619469925722 5.4599e-06 deg
node 149.7027904658628 6.6716e-05 deg
peri 14.8060860396323 7.1194e-05 deg
M 147.517523470769 2.6735e-05 deg
tp 2458483.178976374555
(2018-Dec-30.67897637)
9.2179e-05 TDB
period 1262.464039006616
3.46
8.3611e-06
2.289e-08
d
yr
n .2851566372403527 1.8885e-09 deg/d
Q 2.465979569034285 1.0888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2002-06-02  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:27:54  

Additional Information
 Earth MOID = 1.1137 au 
 Jupiter MOID = 2.502 au 
 T_jup = 3.595 
[ 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 16.7   n/a MPO427054  

172847 (2005 EC15)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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