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26377 (1999 FH4)
Classification: Main-belt Asteroid          SPK-ID: 2026377
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3241102842251069 5.1577e-08  
a 3.114896792051798 1.9086e-08 au
q 2.105326707448016 1.6444e-07 au
i 17.67396392131228 5.6443e-06 deg
node 168.9735186055439 1.3541e-05 deg
peri 185.779285593485 1.4915e-05 deg
M 38.54104698752599 5.164e-06 deg
tp 2458385.526500337199
(2018-Sep-24.02650034)
2.882e-05 TDB
period 2008.000973706196
5.50
1.8455e-05
5.053e-08
d
yr
n .1792827815892653 1.6478e-09 deg/d
Q 4.12446687665558 2.5272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      16483 days (45.13 yr)  
   first obs. used      1974-09-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:52:46  

Additional Information
 Earth MOID = 1.10007 au 
 Jupiter MOID = 1.31866 au 
 T_jup = 3.065 
[ 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 12.8   n/a MPO324552  
diameter diameter 7.630 km 0.907 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26377 (1999 FH4)          Discovered 1999-Mar-16 by Spacewatch at Kitt Peak
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FH4 = 1974 QN2 = 2000 GJ90 = 2016 EW202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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