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332918 (2011 CH1)
Classification: Main-belt Asteroid          SPK-ID: 2332918
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08388369925913684 7.1162e-08  
a 3.098410407608075 5.2143e-08 au
q 2.838504280794899 2.255e-07 au
i 11.84987320910753 7.1345e-06 deg
node 111.9061998169782 3.717e-05 deg
peri 110.4914647931105 5.4304e-05 deg
M 189.8219705787512 4.1135e-05 deg
tp 2459942.189722727156
(2022-Dec-28.68972273)
0.00023353 TDB
period 1992.080301638791
5.45
5.0287e-05
1.377e-07
d
yr
n .1807156065465056 4.5619e-09 deg/d
Q 3.35831653442125 5.6517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      5852 days (16.02 yr)  
   first obs. used      2003-10-23  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:47:00  

Additional Information
 Earth MOID = 1.85566 au 
 Jupiter MOID = 1.77548 au 
 T_jup = 3.184 
[ 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 MPO455452  

332918 (2011 CH1)          Discovered 2003-Oct-23 by Sloan Digital Sky Survey at Apache Point
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2011 CH1 = 2003 UP410 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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