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79994 (1999 FZ4)
Classification: Main-belt Asteroid          SPK-ID: 2079994
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05906604387524596 3.5098e-08  
a 3.080067930562512 2.2139e-08 au
q 2.898140503037169 1.1198e-07 au
i 9.587156359900375 5.6467e-06 deg
node 192.1336936645142 2.3754e-05 deg
peri 269.8101562960064 5.8932e-05 deg
M 60.59929599159738 5.1566e-05 deg
tp 2458668.143675655050
(2019-Jul-03.64367566)
0.00028347 TDB
period 1974.4169434043
5.41
2.1287e-05
5.828e-08
d
yr
n .1823323088887629 1.9658e-09 deg/d
Q 3.261995358087856 2.3446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      7715 days (21.12 yr)  
   first obs. used      1999-03-10  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:45:14  

Additional Information
 Earth MOID = 1.93568 au 
 Jupiter MOID = 1.86285 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 14.6   n/a MPO468757  
diameter diameter 4.898 km 1.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79994 (1999 FZ4)          Discovered 1999-Mar-17 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 FZ4 = 2001 RP36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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