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85958 (1999 FU42)
Classification: Main-belt Asteroid          SPK-ID: 2085958
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411661473589985 3.3332e-08  
a 2.263280798110675 6.795e-09 au
q 1.943782167449792 7.6333e-08 au
i 4.616857755181892 4.3243e-06 deg
node 358.9141117172149 4.2371e-05 deg
peri 43.7841264335088 4.497e-05 deg
M 309.505627150708 1.5401e-05 deg
tp 2459570.940196376546
(2021-Dec-22.44019638)
5.3522e-05 TDB
period 1243.672654039847
3.40
5.6008e-06
1.533e-08
d
yr
n .2894652373601724 1.3036e-09 deg/d
Q 2.582779428771559 7.7542e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1433  
   data-arc span      10773 days (29.49 yr)  
   first obs. used      1992-02-09  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53274  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:27  

Additional Information
 Earth MOID = .954404 au 
 Jupiter MOID = 2.80995 au 
 T_jup = 3.601 
[ 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 15.01   n/a E2021B10  
rotation period rot_per 9.87 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

85958 (1999 FU42)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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