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JPL Small-Body Database Browser
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59114 (1998 XQ2)
Classification: Main-belt Asteroid          SPK-ID: 2059114
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109221122021929 3.7362e-08  
a 2.249552069550024 7.7143e-09 au
q 2.003853468467018 8.607e-08 au
i .1874701324857491 3.9284e-06 deg
node 305.5193322286615 0.0013749 deg
peri 138.2289580316471 0.0013751 deg
M 126.8069304714849 2.0629e-05 deg
tp 2458566.406791525816
(2019-Mar-23.90679153)
7.0305e-05 TDB
period 1232.373928378051
3.37
6.3392e-06
1.736e-08
d
yr
n .2921191301683916 1.5026e-09 deg/d
Q 2.49525067063303 8.5568e-09 au
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      13970 days (38.25 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:42:48  

Additional Information
 Earth MOID = 1.01991 au 
 Jupiter MOID = 2.67414 au 
 T_jup = 3.620 
[ 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 MPO417233  

59114 (1998 XQ2)          Discovered 1998-Dec-07 by Boattini, A., Tesi, L. at San Marcello
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XQ2 = 1981 UJ7 = 2001 RM87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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