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79220 (1994 PO1)
Classification: Main-belt Asteroid          SPK-ID: 2079220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2105258971783687 4.2759e-08  
a 3.188183584861885 2.7248e-08 au
q 2.516988375289489 1.3707e-07 au
i 27.12039397862314 5.1468e-06 deg
node 62.76385079411562 9.5831e-06 deg
peri 229.7441027940963 1.5592e-05 deg
M 211.9564608730507 1.5249e-05 deg
tp 2459855.567435377220
(2022-Oct-03.06743538)
9.2667e-05 TDB
period 2079.282071687274
5.69
2.6656e-05
7.298e-08
d
yr
n .1731366825607605 2.2196e-09 deg/d
Q 3.85937879443428 3.2984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      9381 days (25.68 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:38:43  

Additional Information
 Earth MOID = 1.57079 au 
 Jupiter MOID = 1.48147 au 
 T_jup = 2.994 
[ 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 13.8   n/a MPO385312  
diameter diameter 8.545 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79220 (1994 PO1)          Discovered 1994-Aug-12 by McNaught, R. H. at Siding Spring
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1994 PO1 = 1999 JL5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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