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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879940386590339 7.8446e-08  
a 2.276991867322059 1.1155e-08 au
q 1.84893097019041 1.7452e-07 au
i 24.83378724730135 8.039e-06 deg
node 336.2242169841508 1.0921e-05 deg
peri 192.1340323056943 1.5844e-05 deg
M 96.31078509825871 1.3104e-05 deg
tp 2458864.752282881538
(2020-Jan-16.25228288)
4.4427e-05 TDB
period 1254.991100314803
3.44
9.222e-06
2.525e-08
d
yr
n .2868546238373302 2.1079e-09 deg/d
Q 2.705052764453708 1.3252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      7857 days (21.51 yr)  
   first obs. used      1998-12-11  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52662  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:37:28  

Additional Information
 Earth MOID = .861058 au 
 Jupiter MOID = 2.29667 au 
 T_jup = 3.464 
[ 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 15.17   n/a E2021B55  
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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