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JPL Small-Body Database Browser
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39214 (2000 XG42)
Classification: Main-belt Asteroid          SPK-ID: 2039214
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048067144026707 3.629e-08  
a 2.988895423842969 2.3299e-08 au
q 2.376749572392513 1.1287e-07 au
i 13.98200702052853 6.8059e-06 deg
node 357.046613590151 1.7699e-05 deg
peri 84.63532479884188 2.4589e-05 deg
M 275.3550939917096 1.6496e-05 deg
tp 2459444.275000689318
(2021-Aug-17.77500069)
8.7973e-05 TDB
period 1887.402417725022
5.17
2.2069e-05
6.042e-08
d
yr
n .1907383378442026 2.2303e-09 deg/d
Q 3.601041275293426 2.8071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      10486 days (28.71 yr)  
   first obs. used      1989-09-28  
   last obs. used      2018-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52862  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:32:06  

Additional Information
 Earth MOID = 1.4408 au 
 Jupiter MOID = 1.88704 au 
 T_jup = 3.181 
[ 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 14.0   n/a MPO449240  
diameter diameter 5.591 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.243 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.187   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39214 (2000 XG42)          Discovered 2000-Dec-05 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 XG42 = 1989 SY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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