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100228 (1994 PH17)
Classification: Main-belt Asteroid          SPK-ID: 2100228
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2257296002881133 5.354e-08  
a 2.37721723202757 9.1968e-09 au
q 1.840608936443971 1.2808e-07 au
i 1.885343846180694 5.6987e-06 deg
node 333.6586567721142 0.00012182 deg
peri .3816358420420844 0.00012219 deg
M 11.12076589127642 9.1831e-06 deg
tp 2458959.144437814163
(2020-Apr-19.64443781)
3.4041e-05 TDB
period 1338.756928475601
3.67
7.769e-06
2.127e-08
d
yr
n .2689061713465193 1.5605e-09 deg/d
Q 2.913825527611168 1.1273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      9539 days (26.12 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:35:33  

Additional Information
 Earth MOID = .830564 au 
 Jupiter MOID = 2.46192 au 
 T_jup = 3.505 
[ 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 16.5   n/a MPO436466  

100228 (1994 PH17)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 PH17 = 2000 CB132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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