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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3243595346848177 4.5377e-08  
a 3.115002173841795 1.8144e-08 au
q 2.104621518192275 1.4343e-07 au
i 17.67651245500164 5.1599e-06 deg
node 168.9577494340825 1.316e-05 deg
peri 185.7880381045738 1.4323e-05 deg
M 110.2287288974375 5.1866e-06 deg
tp 2458385.637146016585
(2018-Sep-24.13714602)
2.8357e-05 TDB
period 2008.102875249388
5.50
1.7545e-05
4.804e-08
d
yr
n .1792736838521241 1.5663e-09 deg/d
Q 4.125382829491315 2.4029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1732  
   data-arc span      16582 days (45.40 yr)  
   first obs. used      1974-09-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:44:04  

Additional Information
 Earth MOID = 1.10026 au 
 Jupiter MOID = 1.32134 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 12.9   n/a MPO502354  
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. 2019-August); 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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