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85286 (1994 PA27)
Classification: Main-belt Asteroid          SPK-ID: 2085286
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2303897118460869 3.3823e-08  
a 2.234308200348727 9.7181e-09 au
q 1.719546577895035 7.6899e-08 au
i 6.286030294234713 4.945e-06 deg
node 136.5989637982586 3.2773e-05 deg
peri 244.4700776699046 3.5027e-05 deg
M 225.3378706548275 1.3482e-05 deg
tp 2459456.805835457243
(2021-Aug-30.30583546)
4.7779e-05 TDB
period 1219.868581934735
3.34
7.9587e-06
2.179e-08
d
yr
n .2951137567860246 1.9254e-09 deg/d
Q 2.74906982280242 1.1957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      9390 days (25.71 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:34:54  

Additional Information
 Earth MOID = .733017 au 
 Jupiter MOID = 2.72681 au 
 T_jup = 3.596 
[ 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 16.6   n/a MPO417412  
diameter diameter 2.156 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85286 (1994 PA27)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1994 PA27 = 2001 XM28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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