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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2257112393984428 4.0245e-08  
a 2.377377756675251 7.8101e-09 au
q 1.840776876697791 9.3418e-08 au
i 1.885351302946989 3.4818e-06 deg
node 333.6579444464528 0.00011998 deg
peri .4118249483595549 0.00012035 deg
M 64.87904475599608 9.1392e-06 deg
tp 2458959.205365134243
(2020-Apr-19.70536513)
3.3468e-05 TDB
period 1338.89253268706
3.67
6.5977e-06
1.806e-08
d
yr
n .2688789362933456 1.325e-09 deg/d
Q 2.913978636652712 9.5729e-09 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      9672 days (26.48 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:12  

Additional Information
 Earth MOID = .828837 au 
 Jupiter MOID = 2.46211 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 16.67   n/a E2021B55  

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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