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146242 (2000 XQ2)
Classification: Main-belt Asteroid          SPK-ID: 2146242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007796548943392 5.0552e-08  
a 3.159397742668958 2.859e-08 au
q 2.840994728488826 1.5473e-07 au
i 15.84811453313959 7.0142e-06 deg
node 282.6517412124367 2.328e-05 deg
peri 143.513223231796 5.6624e-05 deg
M 157.5441360703164 4.8244e-05 deg
tp 2458102.854983013757
(2017-Dec-15.35498301)
0.00027232 TDB
period 2051.185237201184
5.62
2.7842e-05
7.623e-08
d
yr
n .1755082834406586 2.3823e-09 deg/d
Q 3.47780075684909 3.1471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      7105 days (19.45 yr)  
   first obs. used      2000-11-06  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:53:07  

Additional Information
 Earth MOID = 1.87149 au 
 Jupiter MOID = 1.79071 au 
 T_jup = 3.139 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO436735  
diameter diameter 9.627 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146242 (2000 XQ2)          Discovered 2000-Dec-01 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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