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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0386018210134557 3.8308e-08  
a 3.055250060176153 1.6398e-08 au
q 2.937311844201883 1.1746e-07 au
i 10.85865826122128 3.6856e-06 deg
node 138.6777869601751 2.2111e-05 deg
peri 285.6413651831652 6.0005e-05 deg
M 182.0639931560322 5.8377e-05 deg
tp 2459964.617371799725
(2023-Jan-20.11737180)
0.00031991 TDB
period 1950.60156740652
5.34
1.5704e-05
4.3e-08
d
yr
n .1845584490525395 1.4858e-09 deg/d
Q 3.173188276150423 1.7031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1993  
   data-arc span      10482 days (28.70 yr)  
   first obs. used      1992-02-04  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:01:18  

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 12.92   n/a E2021B10  
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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