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344073 (1997 CD16)
Classification: Main-belt Asteroid          SPK-ID: 2344073
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598093607632562 5.9867e-08  
a 3.123297516735978 3.4226e-08 au
q 2.624165337112935 1.9262e-07 au
i 17.91564066341506 6.6496e-06 deg
node 149.100747782594 2.1249e-05 deg
peri 298.4448122560154 3.0316e-05 deg
M 127.9138703952638 2.0698e-05 deg
tp 2458284.136252196580
(2018-Jun-14.63625220)
0.00011196 TDB
period 2016.129669224521
5.52
3.314e-05
9.073e-08
d
yr
n .1785599435865995 2.935e-09 deg/d
Q 3.62242969635902 3.9695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1997-02-06  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:26:17  

Additional Information
 Earth MOID = 1.692 au 
 Jupiter MOID = 1.68866 au 
 T_jup = 3.121 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457249.5 (2015-Aug-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609803221209688 5.9901e-08  
q 2.6207183430867 1.9304e-07 au
tp 2456268.436973754710
(2012-Dec-06.93697375)
0.00010641 TDB
node 149.1155546061357 2.1251e-05 deg
peri 298.680755424954 3.0179e-05 deg
i 17.91609354843296 6.65e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1997-02-06  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:26:17  

Additional Information
 Jupiter MOID = 1.68866 au 
 T_jup = 3.121 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.588147471704421E-15 -1.143578918901859E-14 4.366879682214589E-13 5.847509519492276E-15 3.016467733148739E-14 -7.855016137073468E-15
q -1.143578918901859E-14 3.726540962301804E-14 -1.410513973829375E-12 -1.760855582917509E-14 -7.088997582312255E-15 2.775308041326812E-14
tp 4.366879682214589E-13 -1.410513973829375E-12 1.132291776110461E-8 -3.577938081711757E-11 2.306986807479412E-9 6.22564043885285E-12
node 5.847509519492276E-15 -1.760855582917509E-14 -3.577938081711757E-11 4.516179685516454E-10 -4.362886768187708E-10 -2.519982725684965E-11
peri 3.016467733148739E-14 -7.088997582312255E-15 2.306986807479412E-9 -4.362886768187708E-10 9.107696349079044E-10 2.580369906627829E-11
i -7.855016137073468E-15 2.775308041326812E-14 6.22564043885285E-12 -2.519982725684965E-11 2.580369906627829E-11 4.422288132077038E-11

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 15.8   n/a MPO471576  

344073 (1997 CD16)          Discovered 1997-Feb-06 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 1997 CD16 = 2008 CW209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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