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JPL Small-Body Database Browser
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80004 (1999 FH54)
Classification: Main-belt Asteroid          SPK-ID: 2080004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515504972061876 6.1597e-08  
a 3.03719758212399 2.4215e-08 au
q 2.576908778439669 1.8952e-07 au
i 9.370492393611773 6.857e-06 deg
node 204.9884206078723 2.657e-05 deg
peri 333.0976056318493 3.0725e-05 deg
M 286.6986337670062 1.5618e-05 deg
tp 2458994.156624006330
(2020-May-24.65662401)
8.5548e-05 TDB
period 1933.338925659622
5.29
2.3121e-05
6.33e-08
d
yr
n .18620635793446 2.2269e-09 deg/d
Q 3.497486385808312 2.7885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      9966 days (27.29 yr)  
   first obs. used      1991-10-13  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62615  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:48:20  

Additional Information
 Earth MOID = 1.58437 au 
 Jupiter MOID = 1.4966 au 
 T_jup = 3.203 
[ 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 14.8   n/a MPO422207  
diameter diameter 3.461 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.194   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80004 (1999 FH54)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 FH54 = 2002 VR59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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