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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2299562091001315 3.0751e-08  
a 2.234898366199381 9.622e-09 au
q 1.720969610184094 6.9706e-08 au
i 6.286953933298433 4.1338e-06 deg
node 136.5914399238275 3.1076e-05 deg
peri 244.3538940003241 3.2954e-05 deg
M 342.2547410425805 1.322e-05 deg
tp 2459456.654058599726
(2021-Aug-30.15405860)
4.5112e-05 TDB
period 1220.351934444266
3.34
7.8811e-06
2.158e-08
d
yr
n .2949968692137485 1.9051e-09 deg/d
Q 2.748827122214669 1.1835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      9446 days (25.86 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:16  

Additional Information
 Earth MOID = .733614 au 
 Jupiter MOID = 2.72922 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 16.66   n/a MPCxxxxx  
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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