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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456819.5 (2014-Jun-11.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271515967359344 3.2104e-08  
q 2.054123281095725 7.536e-08 au
tp 2457121.016523430682
(2015-Apr-08.51652343)
6.1497e-05 TDB
node 283.7886968732848 0.00023216 deg
peri 143.8783915649784 0.0002328 deg
i 1.114237057589473 3.1712e-06 deg
  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
 Jupiter MOID = 2.60385 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.030654987784859E-15 -2.406702303022759E-15 -6.283582578914905E-13 1.090571382446847E-15 -1.955795705290815E-13 -3.332166022702558E-17
q -2.406702303022759E-15 5.679076462478234E-15 1.564892504976952E-12 -1.657727623893347E-15 4.790329118260863E-13 9.096388693620347E-17
tp -6.283582578914905E-13 1.564892504976952E-12 3.781824984518263E-9 2.224235846485665E-12 1.082471989458936E-9 1.803824868690042E-13
node 1.090571382446847E-15 -1.657727623893347E-15 2.224235846485665E-12 5.389951712504967E-8 -5.388823888134019E-8 5.629518069237793E-11
peri -1.955795705290815E-13 4.790329118260863E-13 1.082471989458936E-9 -5.388823888134019E-8 5.41957075822807E-8 -5.623072361569854E-11
i -3.332166022702558E-17 9.096388693620347E-17 1.803824868690042E-13 5.629518069237793E-11 -5.623072361569854E-11 1.005676187231494E-11

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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