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85278 (1994 PU8)
Classification: Main-belt Asteroid          SPK-ID: 2085278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484680700481627 3.3457e-08  
a 2.200808858482701 8.0331e-09 au
q 1.874059014718875 7.5026e-08 au
i 7.605740141664575 4.0754e-06 deg
node 330.7622410060104 3.3903e-05 deg
peri 116.1557596686165 3.823e-05 deg
M 225.4910618665848 1.8636e-05 deg
tp 2459446.074736062488
(2021-Aug-19.57473606)
6.3064e-05 TDB
period 1192.537144434171
3.26
6.5292e-06
1.788e-08
d
yr
n .3018773894634627 1.6528e-09 deg/d
Q 2.527558702246528 9.2257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      9095 days (24.90 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:29:23  

Additional Information
 Earth MOID = .904733 au 
 Jupiter MOID = 2.66432 au 
 T_jup = 3.639 
[ 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 15.4   n/a MPO333525  
diameter diameter 3.151 km 0.762 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.162   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85278 (1994 PU8)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1994 PU8 = 1999 CO86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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