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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512207216098663 5.9408e-08  
a 3.036079410212234 1.9041e-08 au
q 2.576961290935083 1.8579e-07 au
i 9.370902319702383 5.4701e-06 deg
node 204.9771671972164 2.5663e-05 deg
peri 333.154452979691 2.9228e-05 deg
M 1.141364629779418 1.1842e-05 deg
tp 2458994.373816153234
(2020-May-24.87381615)
6.3564e-05 TDB
period 1932.2713594708
5.29
1.8178e-05
4.977e-08
d
yr
n .1863092356234037 1.7527e-09 deg/d
Q 3.495197529489386 2.1921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      10449 days (28.61 yr)  
   first obs. used      1991-10-13  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:10  

Additional Information
 Earth MOID = 1.58396 au 
 Jupiter MOID = 1.49742 au 
 T_jup = 3.204 
[ 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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