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JPL Small-Body Database Browser
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71198 (1999 XX234)
Classification: Main-belt Asteroid          SPK-ID: 2071198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2489634241791207 6.678e-08  
a 2.543819924748754 1.0869e-08 au
q 1.910501805788231 1.7383e-07 au
i 5.21421121653239 4.9428e-06 deg
node 157.8444996969059 4.6934e-05 deg
peri 208.83463927107 4.7562e-05 deg
M 319.5664014102854 6.2247e-06 deg
tp 2458766.943894257018
(2019-Oct-10.44389426)
2.5781e-05 TDB
period 1481.930968859372
4.06
9.4982e-06
2.6e-08
d
yr
n .2429262951951727 1.557e-09 deg/d
Q 3.177138043709276 1.3576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1998-06-18  
   last obs. used      2019-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:39:50  

Additional Information
 Earth MOID = .909943 au 
 Jupiter MOID = 2.28122 au 
 T_jup = 3.394 
[ 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 15.8   n/a MPO299431  

71198 (1999 XX234)          Discovered 1999-Dec-03 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XX234 = 1998 MU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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