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67441 (2000 QU139)
Classification: Main-belt Asteroid          SPK-ID: 2067441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442505622323854 2.8802e-08  
a 2.275707694600334 7.8258e-09 au
q 1.947435580177671 6.8614e-08 au
i 7.343286162605539 3.0455e-06 deg
node 151.889230259001 2.8566e-05 deg
peri 166.6918267300124 3.1596e-05 deg
M 355.8315042829255 1.2791e-05 deg
tp 2459215.019444554995
(2020-Dec-31.51944456)
4.4555e-05 TDB
period 1253.929569457848
3.43
6.4681e-06
1.771e-08
d
yr
n .2870974644577928 1.4809e-09 deg/d
Q 2.603979809022998 8.9546e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      10870 days (29.76 yr)  
   first obs. used      1990-11-12  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:30:00  

Additional Information
 Earth MOID = .933374 au 
 Jupiter MOID = 2.68926 au 
 T_jup = 3.585 
[ 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 15.6   n/a MPO324892  
diameter diameter 1.806 km 0.447 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.043 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.411   0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67441 (2000 QU139)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QU139 = 1990 WA2 = 2002 AS160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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