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21339 (1997 CL1)
Classification: Main-belt Asteroid          SPK-ID: 2021339
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591632898563462 3.7762e-08  
a 2.4514596181715 8.9411e-09 au
q 2.061277240393342 9.0449e-08 au
i 3.546507436114664 3.6462e-06 deg
node 80.29681913036552 6.1594e-05 deg
peri 22.19133531650965 6.269e-05 deg
M 111.9591121498104 1.1112e-05 deg
tp 2458764.493978226988
(2019-Oct-07.99397823)
4.2775e-05 TDB
period 1401.959740697622
3.84
7.67e-06
2.1e-08
d
yr
n .2567834079321437 1.4048e-09 deg/d
Q 2.841641995949658 1.0364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      9055 days (24.79 yr)  
   first obs. used      1995-08-29  
   last obs. used      2020-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50273  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:43:39  

Additional Information
 Earth MOID = 1.07849 au 
 Jupiter MOID = 2.30023 au 
 T_jup = 3.475 
[ 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 15.32   n/a E2021B10  

21339 (1997 CL1)          Discovered 1997-Feb-01 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 CL1 = 1999 RE96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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