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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280322670204447 3.2226e-08  
a 2.352611456216171 8.7941e-09 au
q 2.051401278058545 7.5747e-08 au
i 1.113816805030379 3.1699e-06 deg
node 283.6314701127245 0.00023237 deg
peri 143.8389780332824 0.000233 deg
M 153.414619993152 1.7412e-05 deg
tp 2458438.821259671232
(2018-Nov-16.32125967)
6.2694e-05 TDB
period 1318.02527378018
3.61
7.3902e-06
2.023e-08
d
yr
n .2731358852986916 1.5315e-09 deg/d
Q 2.653821634373797 9.9201e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      15159 days (41.50 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:47:14  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1996-Jul-18 10:43 < 00:01 Juno 0.0448673157634521 0.044865797668107 0.0448688338925458 5.33760735629764 5.33760730549699 2450282.946736047 0.361156081561812 100.857325548117 29.7050923200617 -43.7799195932245 163461.23369979 T 26 CATAB v2.0f-lin.ifort 2020-May-20 08:47:29 2020-May-20 08:47

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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