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39916 (1998 FH47)
Classification: Main-belt Asteroid          SPK-ID: 2039916
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280322670116939 3.2213e-08  
a 2.352611456204908 8.6492e-09 au
q 2.051401278069311 7.5742e-08 au
i 1.113816579735389 3.0431e-06 deg
node 283.6314524835428 0.00022485 deg
peri 143.838995774498 0.00022544 deg
M 153.4146199030414 1.6886e-05 deg
tp 2458438.821260005177
(2018-Nov-16.32126001)
6.0585e-05 TDB
period 1318.025273770715
3.61
7.2684e-06
1.99e-08
d
yr
n .2731358853006531 1.5062e-09 deg/d
Q 2.653821634340504 9.7566e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      15202 days (41.62 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:04:15  

Additional Information
 Earth MOID = 1.06546 au 
 Jupiter MOID = 2.60385 au 
 T_jup = 3.545 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO468240  
rotation period rot_per 7.273 h n/a LCDB (Rev. 2019-August); 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.]

39916 (1998 FH47)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH47 = 1978 UF5 = 2000 WZ96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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