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JPL Small-Body Database Browser
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80261 (1999 XV9)
Classification: Main-belt Asteroid          SPK-ID: 2080261
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550442911781829 4.6864e-08  
a 2.272269862311413 7.7677e-09 au
q 1.919967392143792 1.0393e-07 au
i 4.213673417686747 3.834e-06 deg
node 93.29153995513875 7.2158e-05 deg
peri 241.2042064218692 7.3963e-05 deg
M 104.3364365489694 1.5801e-05 deg
tp 2458637.905018774549
(2019-Jun-03.40501877)
5.4545e-05 TDB
period 1251.089241292013
3.43
6.4153e-06
1.756e-08
d
yr
n .2877492573017605 1.4755e-09 deg/d
Q 2.624572332479033 8.9721e-09 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      7358 days (20.15 yr)  
   first obs. used      1999-12-04  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:56:11  

Additional Information
 Earth MOID = .914044 au 
 Jupiter MOID = 2.72509 au 
 T_jup = 3.592 
[ 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 16.1   n/a MPO344860  

80261 (1999 XV9)          Discovered 1999-Dec-04 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 XV9 = 2002 TX225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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