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357003 (1999 CX142)
Classification: Main-belt Asteroid          SPK-ID: 2357003
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3092557621486868 5.7072e-08  
a 2.745789183019853 1.8604e-08 au
q 1.896638056525428 1.6209e-07 au
i 2.168812005525781 6.457e-06 deg
node 135.7043116924501 0.00023641 deg
peri 336.3046621059566 0.00023691 deg
M 253.0782989676875 1.6702e-05 deg
tp 2459494.085701380703
(2021-Oct-06.58570138)
8.04e-05 TDB
period 1661.878278978685
4.55
1.689e-05
4.624e-08
d
yr
n .2166223631138857 2.2016e-09 deg/d
Q 3.594940309514278 2.4357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      7071 days (19.36 yr)  
   first obs. used      1999-01-08  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60867  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:18:00  

Additional Information
 Earth MOID = .913465 au 
 Jupiter MOID = 1.54272 au 
 T_jup = 3.276 
[ 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 16.9   n/a MPO450329  

357003 (1999 CX142)          Discovered 1999-Jan-08 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1999 CX142 = 2011 UY121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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