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91072 (1998 FC77)
Classification: Main-belt Asteroid          SPK-ID: 2091072
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738929738423225 3.921e-08  
a 2.676093126926913 1.1288e-08 au
q 2.210739334806592 1.0163e-07 au
i 4.803425094907949 4.0497e-06 deg
node 136.5616231834034 6.1604e-05 deg
peri 9.856768783527192 6.357e-05 deg
M 55.88487476765753 1.5876e-05 deg
tp 2458752.276987456367
(2019-Sep-25.77698746)
6.9829e-05 TDB
period 1599.006616499097
4.38
1.0118e-05
2.77e-08
d
yr
n .2251397813401126 1.4245e-09 deg/d
Q 3.141446919047234 1.3251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:44  

Additional Information
 Earth MOID = 1.2229 au 
 Jupiter MOID = 1.86784 au 
 T_jup = 3.352 
[ 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 15.6   n/a MPO468895  
diameter diameter 4.748 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91072 (1998 FC77)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FC77 = 2002 AZ57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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