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JPL Small-Body Database Browser
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80291 (1999 XB55)
Classification: Main-belt Asteroid          SPK-ID: 2080291
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119836558230009 4.6148e-08  
a 2.17998006201422 7.8028e-09 au
q 1.918738754372394 1.0088e-07 au
i 1.673100241459841 3.815e-06 deg
node 85.23974011327316 0.00017747 deg
peri 269.4539489133196 0.00017819 deg
M 192.1659686584098 1.6079e-05 deg
tp 2459548.593604970087
(2021-Nov-30.09360497)
5.2722e-05 TDB
period 1175.647728961723
3.22
6.312e-06
1.728e-08
d
yr
n .3062141754979061 1.644e-09 deg/d
Q 2.441221369656045 8.7379e-09 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      9145 days (25.04 yr)  
   first obs. used      1994-01-10  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:39:22  

Additional Information
 Earth MOID = .914612 au 
 Jupiter MOID = 2.95577 au 
 T_jup = 3.672 
[ 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 16.8   n/a MPO453225  

80291 (1999 XB55)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 XB55 = 1997 AC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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