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JPL Small-Body Database Browser
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80439 (1999 XH259)
Classification: Main-belt Asteroid          SPK-ID: 2080439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871364730903608 5.7279e-08  
a 2.352827528153902 1.1341e-08 au
q 1.912527682745269 1.3268e-07 au
i 2.893861039885756 5.7513e-06 deg
node 162.6061545357308 0.00010509 deg
peri 235.4252885850514 0.00010584 deg
M 166.0707798110343 1.4558e-05 deg
tp 2457992.400998570101
(2017-Aug-26.90099857)
5.0856e-05 TDB
period 1318.206855919263
3.61
9.5312e-06
2.61e-08
d
yr
n .2730982610077162 1.9746e-09 deg/d
Q 2.793127373562535 1.3464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      8628 days (23.62 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55453  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:49:41  

Additional Information
 Earth MOID = .921023 au 
 Jupiter MOID = 2.62436 au 
 T_jup = 3.531 
[ 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 16.5   n/a MPO474694  

80439 (1999 XH259)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XH259 = 2002 PN63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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