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85586 (1998 FP8)
Classification: Main-belt Asteroid          SPK-ID: 2085586
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903204610427016 5.0386e-08  
a 2.666501083536732 1.2373e-08 au
q 2.159011367947158 1.3863e-07 au
i 13.90862623628893 5.2979e-06 deg
node 18.82370970402803 1.3613e-05 deg
peri 337.2845969220861 1.5978e-05 deg
M 317.7548145961092 8.4546e-06 deg
tp 2459583.131863861268
(2022-Jan-03.63186386)
3.7782e-05 TDB
period 1590.417235661329
4.35
1.107e-05
3.031e-08
d
yr
n .2263556958060157 1.5755e-09 deg/d
Q 3.173990799126306 1.4728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      8542 days (23.39 yr)  
   first obs. used      1998-03-21  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:05  

Additional Information
 Earth MOID = 1.16181 au 
 Jupiter MOID = 2.29713 au 
 T_jup = 3.316 
[ 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 15.04   n/a E2021B10  
diameter diameter 3.008 km 0.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 [lower-limit; Incomplete or inconclusive result.]
geometric albedo albedo 0.195   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85586 (1998 FP8)          Discovered 1998-Mar-21 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 FP8 = 2000 XZ50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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