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187635 (2007 CH2)
Classification: Main-belt Asteroid          SPK-ID: 2187635
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09141353640445719 4.2354e-08  
a 2.726594451298919 2.3527e-08 au
q 2.477346810164914 1.2089e-07 au
i 8.976546705076457 4.5176e-06 deg
node 146.5388565001816 3.4144e-05 deg
peri 189.0661569367538 4.5164e-05 deg
M 192.6326618696092 2.911e-05 deg
tp 2459965.035146119958
(2023-Jan-20.53514612)
0.00013312 TDB
period 1644.482464008355
4.50
2.1284e-05
5.827e-08
d
yr
n .2189138576294182 2.8334e-09 deg/d
Q 2.975842092432924 2.5677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      2000-09-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:13  

Additional Information
 Earth MOID = 1.46572 au 
 Jupiter MOID = 2.36542 au 
 T_jup = 3.332 
[ 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 16.3   n/a MPO413004  

187635 (2007 CH2)          Discovered 2007-Feb-06 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2007 CH2 = 2000 RX84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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