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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2303897008604057 3.5793e-08  
a 2.234308197769004 9.7691e-09 au
q 1.719546600455051 8.0984e-08 au
i 6.286021409751358 5.8771e-06 deg
node 136.5989613588185 3.2789e-05 deg
peri 244.4700595411992 3.5875e-05 deg
M 225.337887423077 1.4468e-05 deg
tp 2459456.805777847356
(2021-Aug-30.30577785)
5.0875e-05 TDB
period 1219.868579822052
3.34
8.0005e-06
2.19e-08
d
yr
n .2951137572971303 1.9355e-09 deg/d
Q 2.749069795082957 1.202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      8978 days (24.58 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:26:56  

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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