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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550442790924529 4.7204e-08  
a 2.272269863029267 7.8458e-09 au
q 1.919967420212388 1.0484e-07 au
i 4.213671592185342 3.8758e-06 deg
node 93.29160386743897 7.5037e-05 deg
peri 241.2041238264249 7.6786e-05 deg
M 104.3364525353885 1.5835e-05 deg
tp 2458637.904963045953
(2019-Jun-03.40496305)
5.465e-05 TDB
period 1251.089241884879
3.43
6.4797e-06
1.774e-08
d
yr
n .2877492571654022 1.4903e-09 deg/d
Q 2.624572305846146 9.0622e-09 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      7300 days (19.99 yr)  
   first obs. used      1999-12-04  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:20  

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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