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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3245321266259875 4.4644e-08  
a 3.114803638453419 1.7778e-08 au
q 2.103949789643767 1.4078e-07 au
i 17.67952906386732 5.0976e-06 deg
node 168.9531665953567 1.2582e-05 deg
peri 185.7972974319879 1.364e-05 deg
M 146.061605505796 5.1991e-06 deg
tp 2458385.836973701367
(2018-Sep-24.33697370)
2.7767e-05 TDB
period 2007.910897952372
5.50
1.719e-05
4.706e-08
d
yr
n .1792908242926123 1.5349e-09 deg/d
Q 4.12565748726307 2.3547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1820  
   data-arc span      16930 days (46.35 yr)  
   first obs. used      1974-09-11  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:19:09  

Additional Information
 Earth MOID = 1.09789 au 
 Jupiter MOID = 1.32195 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 12.87   n/a E2021B10  
diameter diameter 7.630 km 0.907 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.7755 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Owings, L.E. (2019) Minor Planet Bull. 46, 272-274.]
[Rowe, B. (2019) Minor Planet Bull. 46, 353-356.]
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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