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70042 (1999 CZ122)
Classification: Main-belt Asteroid          SPK-ID: 2070042
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189144451817161 3.75e-08  
a 3.105322967628995 2.0744e-08 au
q 2.517968357201569 1.2075e-07 au
i 14.91494088702129 8.0327e-06 deg
node 18.92534955932041 1.5004e-05 deg
peri 108.9083125640182 2.8014e-05 deg
M 325.2883729187573 2.1697e-05 deg
tp 2459193.221896465228
(2020-Dec-09.72189647)
0.00012103 TDB
period 1998.750521405929
5.47
2.0028e-05
5.483e-08
d
yr
n .1801125233712382 1.8048e-09 deg/d
Q 3.692677578056421 2.4668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      8417 days (23.04 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:12  

Additional Information
 Earth MOID = 1.5784 au 
 Jupiter MOID = 1.54253 au 
 T_jup = 3.142 
[ 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 13.7   n/a MPO502588  
diameter diameter 11.896 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.34364 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70042 (1999 CZ122)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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