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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2490788630371924 6.5559e-08  
a 2.544075901777316 9.2675e-09 au
q 1.910400368682302 1.7051e-07 au
i 5.214306905241454 4.7604e-06 deg
node 157.8390868378511 4.4186e-05 deg
peri 208.8816519149859 4.4863e-05 deg
M 56.702112737559 5.664e-06 deg
tp 2458767.051943030344
(2019-Oct-10.55194303)
2.3366e-05 TDB
period 1482.154657941132
4.06
8.0987e-06
2.217e-08
d
yr
n .2428896323816015 1.3272e-09 deg/d
Q 3.17775143487233 1.1576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1998-06-18  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:22:30  

Additional Information
 Earth MOID = .910712 au 
 Jupiter MOID = 2.28413 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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