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91091 (1998 FD129)
Classification: Inner Main-belt Asteroid          SPK-ID: 2091091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0650399201707568 9.0947e-08  
a 1.915939423090615 5.9968e-09 au
q 1.791326875960795 1.7208e-07 au
i 18.77389800008396 8.4688e-06 deg
node 346.8607841971058 1.0713e-05 deg
peri 328.8338419371111 4.249e-05 deg
M 354.5100316845653 4.2246e-05 deg
tp 2459015.271970261680
(2020-Jun-14.77197026)
0.00011369 TDB
period 968.6593780976372
2.65
4.5478e-06
1.245e-08
d
yr
n .3716476690774509 1.7448e-09 deg/d
Q 2.040551970220434 6.3868e-09 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      8221 days (22.51 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:16:11  

Additional Information
 Earth MOID = .793113 au 
 Jupiter MOID = 3.14874 au 
 T_jup = 3.862 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO474789  

91091 (1998 FD129)          Discovered 1998-Mar-22 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FD129 = 1999 UA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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