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46697 (1997 CM20)
Classification: Main-belt Asteroid          SPK-ID: 2046697
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147503215503655 3.5411e-08  
a 2.403498360058252 1.0493e-08 au
q 2.048974623491898 8.6699e-08 au
i 3.188540628480819 4.4795e-06 deg
node 74.34516844591393 7.2274e-05 deg
peri 64.39197832939283 7.4211e-05 deg
M 159.4945749500915 1.7666e-05 deg
tp 2458597.513503000220
(2019-Apr-24.01350300)
6.5201e-05 TDB
period 1361.018949941384
3.73
8.913e-06
2.44e-08
d
yr
n .2645077058004993 1.7322e-09 deg/d
Q 2.758022096624606 1.2041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      8526 days (23.34 yr)  
   first obs. used      1997-02-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:46  

Additional Information
 Earth MOID = 1.06471 au 
 Jupiter MOID = 2.26601 au 
 T_jup = 3.507 
[ 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 15.59   n/a MPCxxxxx  

46697 (1997 CM20)          Discovered 1997-Feb-12 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CM20 = 1999 VL184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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