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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420237539228049 3.4869e-08  
a 2.262405194541661 7.9898e-09 au
q 1.941089915918401 7.9106e-08 au
i 4.61572866969133 4.8254e-06 deg
node 358.9561345604229 4.8213e-05 deg
peri 43.99544613635877 5.1771e-05 deg
M 78.7643278300781 1.8198e-05 deg
tp 2458328.554998204454
(2018-Jul-29.05499820)
6.2433e-05 TDB
period 1242.951007689687
3.40
6.5843e-06
1.803e-08
d
yr
n .2896332983141014 1.5343e-09 deg/d
Q 2.583720473164921 9.1245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      9964 days (27.28 yr)  
   first obs. used      1992-02-09  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54504  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:01:09  

Additional Information
 Earth MOID = .95183 au 
 Jupiter MOID = 2.80714 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 15.0   n/a MPO359342  
rotation period rot_per 9.87 h n/a LCDB (Rev. 2019-January); 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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