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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901192091937004 6.8763e-08  
a 2.665115202722049 1.3043e-08 au
q 2.158425607970425 1.8411e-07 au
i 13.90972295139063 6.3305e-06 deg
node 18.83995132507712 1.6538e-05 deg
peri 337.4258964576023 1.954e-05 deg
M 227.8949128857062 9.49e-06 deg
tp 2459583.662310364413
(2022-Jan-04.16231036)
4.3018e-05 TDB
period 1589.177497377944
4.35
1.1666e-05
3.194e-08
d
yr
n .2265322788637394 1.663e-09 deg/d
Q 3.171804797473674 1.5523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      886  
   data-arc span      7984 days (21.86 yr)  
   first obs. used      1998-03-21  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:34:48  

Additional Information
 Earth MOID = 1.162 au 
 Jupiter MOID = 2.29764 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 15.0   n/a MPO337903  
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. 2019-August); 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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