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JPL Small-Body Database Browser
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447159 (2005 JC20)
Classification: Main-belt Asteroid          SPK-ID: 2447159
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082862866958378 7.7033e-08  
a 2.663532048994531 2.9536e-08 au
q 2.108754849014104 2.0345e-07 au
i 13.85592257048173 7.358e-06 deg
node 98.07619150214674 3.6729e-05 deg
peri 82.80013480475509 4.0735e-05 deg
M 105.610869748272 2.0012e-05 deg
tp 2458134.708632459217
(2018-Jan-16.20863246)		 8.5539e-05 TDB
period 1587.761683190053
4.35		 2.641e-05
7.231e-08		 d
yr
n .2267342787090728 3.7713e-09 deg/d
Q 3.218309248974958 3.5687e-08 au
   Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5195 days (14.22 yr)  
   first obs. used      2005-05-04  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:48:54  

Additional Information
 Earth MOID = 1.16553 au 
 Jupiter MOID = 1.94665 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076514285008058 7.7311e-08  
q 2.111278431001708 2.0405e-07 au
tp 2458134.946792099955
(2018-Jan-16.44679210)		 8.5616e-05 TDB
node 98.10132718661346 3.6759e-05 deg
peri 82.88067593280587 4.0764e-05 deg
i 13.84805962795429 7.354e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5195 days (14.22 yr)  
   first obs. used      2005-05-04  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:48:54  

Additional Information
 Jupiter MOID = 1.94665 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.977052142981813E-15 -1.56734017054242E-14 2.236225256585759E-12 -4.626092395872939E-14 5.529097074541927E-13 -7.381207407747492E-15
q -1.56734017054242E-14 4.163638550900633E-14 -5.335916182253766E-12 1.30132540081376E-13 -1.398973895676343E-12 1.861415996935658E-14
tp 2.236225256585759E-12 -5.335916182253766E-12 7.33013849018738E-9 -6.167680972054436E-12 1.602736671393876E-9 -8.149992578307648E-12
node -4.626092395872939E-14 1.30132540081376E-13 -6.167680972054436E-12 1.351257407433172E-9 -1.313387060543781E-9 -5.880504973859928E-11
peri 5.529097074541927E-13 -1.398973895676343E-12 1.602736671393876E-9 -1.313387060543781E-9 1.66172470010039E-9 5.518328513890181E-11
i -7.381207407747492E-15 1.861415996935658E-14 -8.149992578307648E-12 -5.880504973859928E-11 5.518328513890181E-11 5.40808580292212E-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 16.5   n/a MPO437739  

447159 (2005 JC20)          Discovered 2005-May-04 by CSS at Catalina
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2005 JC20 = 2009 DA111 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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