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442989 (2013 CB170)
Classification: Main-belt Asteroid          SPK-ID: 2442989
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315336262156346 6.5377e-08  
a 3.118083305727307 4.9957e-08 au
q 2.707950501682562 1.9928e-07 au
i 7.305140036064596 8.0162e-06 deg
node 318.2194227416636 5.5254e-05 deg
peri 149.3413476316916 6.3132e-05 deg
M 153.0884064319097 3.167e-05 deg
tp 2458145.295850428339
(2018-Jan-26.79585043)		 0.00016885 TDB
period 2011.083014197638
5.51		 4.8331e-05
1.323e-07		 d
yr
n .1790080257545356 4.302e-09 deg/d
Q 3.528216109772053 5.6528e-08 au
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:48  

Additional Information
 Earth MOID = 1.72773 au 
 Jupiter MOID = 1.59248 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133556441367208 6.5421e-08  
q 2.698146678865187 2.0092e-07 au
tp 2458143.145733091957
(2018-Jan-24.64573309)		 0.0001658 TDB
node 318.3119625045621 5.5331e-05 deg
peri 148.5503272686465 6.2882e-05 deg
i 7.303367645683338 8.0147e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:48  

Additional Information
 Jupiter MOID = 1.59248 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.279940019339678E-15 -1.283541991013218E-14 2.242100480830032E-12 -9.203995050178282E-15 3.453222555860991E-13 -4.697358369775778E-15
q -1.283541991013218E-14 4.036729243918292E-14 -4.653461060588065E-12 3.319153219829631E-14 -8.083910667170685E-13 1.573072634802397E-14
tp 2.242100480830032E-12 -4.653461060588065E-12 2.749046670462203E-8 3.69795865664877E-11 4.978495933429512E-9 -3.581572407358051E-12
node -9.203995050178282E-15 3.319153219829631E-14 3.69795865664877E-11 3.061532473869575E-9 -3.029180870511073E-9 3.919063010464723E-11
peri 3.453222555860991E-13 -8.083910667170685E-13 4.978495933429512E-9 -3.029180870511073E-9 3.954087101847911E-9 -3.957167599596083E-11
i -4.697358369775778E-15 1.573072634802397E-14 -3.581572407358051E-12 3.919063010464723E-11 -3.957167599596083E-11 6.423545236040775E-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 16.7   n/a MPO434646  

442989 (2013 CB170)          Discovered 2011-Nov-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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