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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484680633204684 2.9028e-08  
a 2.200808857802276 7.8603e-09 au
q 1.87405902894584 6.6253e-08 au
i 7.605736805146697 3.7926e-06 deg
node 330.7621838853033 2.3167e-05 deg
peri 116.1558199762009 2.7925e-05 deg
M 225.491059113846 1.7446e-05 deg
tp 2459446.074744974581
(2021-Aug-19.57474497)
5.9391e-05 TDB
period 1192.537143881125
3.26
6.3888e-06
1.749e-08
d
yr
n .3018773896034601 1.6172e-09 deg/d
Q 2.527558686658712 9.0273e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1322  
   data-arc span      9578 days (26.22 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53082  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:28  

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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