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JPL Small-Body Database Browser
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11177 (1998 FH77)
Classification: Main-belt Asteroid          SPK-ID: 2011177
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03914276346216054 4.0156e-08  
a 3.054015378708975 2.0457e-08 au
q 2.934472777130369 1.2094e-07 au
i 10.85864696314179 5.4319e-06 deg
node 138.6874486402892 2.3913e-05 deg
peri 285.7925236769069 7.6422e-05 deg
M 108.0141281580106 7.185e-05 deg
tp 2458015.597712125875
(2017-Sep-19.09771213)
0.00038931 TDB
period 1949.419277139894
5.34
1.9587e-05
5.363e-08
d
yr
n .1846703806726364 1.8555e-09 deg/d
Q 3.173557980287582 2.1257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1557  
   data-arc span      9957 days (27.26 yr)  
   first obs. used      1992-02-04  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:53:46  

Additional Information
 Earth MOID = 1.97218 au 
 Jupiter MOID = 1.95998 au 
 T_jup = 3.207 
[ 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 MPO395108  
diameter diameter 9.619 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11177 (1998 FH77)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH77 = 1992 CT5 = 1992 CX4 = 1994 NX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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