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79227 (1994 PK17)
Classification: Main-belt Asteroid          SPK-ID: 2079227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187417743618083 4.5885e-08  
a 2.514912426778209 7.8836e-09 au
q 2.04357321435436 1.1597e-07 au
i 4.410956225770335 4.8664e-06 deg
node 161.4453649034348 3.5498e-05 deg
peri 204.233194771147 3.6636e-05 deg
M 242.6051770539693 9.2647e-06 deg
tp 2459871.538896626578
(2022-Oct-19.03889663)
3.8802e-05 TDB
period 1456.742286362894
3.99
6.8498e-06
1.875e-08
d
yr
n .2471267590500349 1.162e-09 deg/d
Q 2.986251639202059 9.3611e-09 au
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      9798 days (26.83 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:46:10  

Additional Information
 Earth MOID = 1.04179 au 
 Jupiter MOID = 2.47446 au 
 T_jup = 3.431 
[ 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 16.07   n/a MPO637104  
diameter diameter 3.679 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79227 (1994 PK17)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1994 PK17 = 1998 QR61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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