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120995 (1998 XQ62)
Classification: Main-belt Asteroid          SPK-ID: 2120995
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879893178617307 7.981e-08  
a 2.276323579057025 1.1333e-08 au
q 1.848399062197521 1.7801e-07 au
i 24.83231517001841 8.3251e-06 deg
node 336.2333339580859 1.093e-05 deg
peri 192.0329764963485 1.5904e-05 deg
M 39.01637004297978 1.3208e-05 deg
tp 2458864.545438584289
(2020-Jan-16.04543858)		 4.5502e-05 TDB
period 1254.438638339249
3.43		 9.3683e-06
2.565e-08		 d
yr
n .2869809562599283 2.1432e-09 deg/d
Q 2.704248095916528 1.3464e-08 au
   Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      7809 days (21.38 yr)  
   first obs. used      1998-12-11  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:41:45  

Additional Information
 Earth MOID = .860708 au 
 Jupiter MOID = 2.29813 au 
 T_jup = 3.465 
[ 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 15.1   n/a MPO302628  
diameter diameter 2.238 km 0.603 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.387   0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120995 (1998 XQ62)          Discovered 1998-Dec-11 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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