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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479208117173965 3.5494e-08  
a 2.4025319815266 1.0712e-08 au
q 2.04714750064218 8.7076e-08 au
i 3.187109851257767 4.4152e-06 deg
node 74.28346764815578 7.2345e-05 deg
peri 64.71763788090881 7.423e-05 deg
M 211.0068851507726 1.7713e-05 deg
tp 2459959.444903900504
(2023-Jan-14.94490390)
6.8638e-05 TDB
period 1360.198191770552
3.72
9.0968e-06
2.491e-08
d
yr
n .2646673125858172 1.7701e-09 deg/d
Q 2.75791646241102 1.2296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      8891 days (24.34 yr)  
   first obs. used      1997-02-12  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:21:11  

Additional Information
 Earth MOID = 1.0636 au 
 Jupiter MOID = 2.26511 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456647.5 (2013-Dec-21.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480723077323464 3.5372e-08  
q 2.045968192470049 8.671e-08 au
tp 2457237.668002077514
(2015-Aug-03.16800208)
6.1591e-05 TDB
node 74.39903011348575 7.2148e-05 deg
peri 64.1047593883963 7.4048e-05 deg
i 3.191346706521914 4.422e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      8891 days (24.34 yr)  
   first obs. used      1997-02-12  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:21:11  

Additional Information
 Jupiter MOID = 2.26511 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.251190579141342E-15 -3.0512822483881E-15 -1.110761919062561E-13 -5.159905415790659E-17 1.045546524917002E-14 1.115536389619363E-16
q -3.0512822483881E-15 7.518594368748778E-15 4.190570011790264E-13 -9.714500648007596E-16 3.816496303909401E-15 -1.796050406982061E-16
tp -1.110761919062561E-13 4.190570011790264E-13 3.793393079008946E-9 -2.836764766987308E-11 1.036687810447071E-9 -3.697283398149573E-13
node -5.159905415790659E-17 -9.714500648007596E-16 -2.836764766987308E-11 5.205268416222301E-9 -5.204026122799496E-9 -2.765286847202069E-11
peri 1.045546524917002E-14 3.816496303909401E-15 1.036687810447071E-9 -5.204026122799496E-9 5.48314060910995E-9 2.751878163811099E-11
i 1.115536389619363E-16 -1.796050406982061E-16 -3.697283398149573E-13 -2.765286847202069E-11 2.751878163811099E-11 1.955434418915637E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 1997 CM20 = 1999 VL184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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