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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03860182073601545 3.8375e-08  
a 3.055250060278397 1.6457e-08 au
q 2.937311845147829 1.176e-07 au
i 10.85865797877089 3.7428e-06 deg
node 138.6777858380733 2.2264e-05 deg
peri 285.6413652992616 6.039e-05 deg
M 182.0639940903364 5.8655e-05 deg
tp 2459964.617366785745
(2023-Jan-20.11736679)
0.00032134 TDB
period 1950.601567504435
5.34
1.5761e-05
4.315e-08
d
yr
n .1845584490432752 1.4912e-09 deg/d
Q 3.173188275408964 1.7093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1921  
   data-arc span      10408 days (28.50 yr)  
   first obs. used      1992-02-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:22:29  

Additional Information
 Earth MOID = 1.97525 au 
 Jupiter MOID = 1.95752 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 13.0   n/a MPO473918  
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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