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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280660401983253 6.4233e-08  
a 3.125918538767394 5.4424e-08 au
q 2.725594529524919 1.9457e-07 au
i 7.310151830155998 8.0341e-06 deg
node 318.1751749180838 5.5038e-05 deg
peri 150.4133101531431 6.369e-05 deg
M 222.4613988006567 3.3777e-05 deg
tp 2460167.735502703317
(2023-Aug-11.23550270)
0.00019876 TDB
period 2018.668057927869
5.53
5.272e-05
1.443e-07
d
yr
n .1783354120981804 4.6574e-09 deg/d
Q 3.526242548009869 6.1394e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:46:07  

Additional Information
 Earth MOID = 1.74546 au 
 Jupiter MOID = 1.58898 au 
 T_jup = 3.189 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335564269785311 6.5421e-08  
q 2.698146730444416 2.0092e-07 au
tp 2458143.145632970673
(2018-Jan-24.64563297)
0.0001658 TDB
node 318.3119720044576 5.5331e-05 deg
peri 148.5503002814446 6.2882e-05 deg
i 7.303367350123295 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:46:07  

Additional Information
 Jupiter MOID = 1.58898 au 
 T_jup = 3.189 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.279939645191092E-15 -1.283541884071249E-14 2.242100046112274E-12 -9.204030398735276E-15 3.453221796528472E-13 -4.697356313234489E-15
q -1.283541884071249E-14 4.036728974520018E-14 -4.653459434408736E-12 3.319162456925095E-14 -8.083907681505442E-13 1.573073445651653E-14
tp 2.242100046112274E-12 -4.653459434408736E-12 2.749047510545995E-8 3.697942998523205E-11 4.978497546995955E-9 -3.581587526923564E-12
node -9.204030398735276E-15 3.319162456925095E-14 3.697942998523205E-11 3.061532717191097E-9 -3.029181139715111E-9 3.919061311531875E-11
peri 3.453221796528472E-13 -8.083907681505442E-13 4.978497546995955E-9 -3.029181139715111E-9 3.954087647362641E-9 -3.957166290150922E-11
i -4.697356313234489E-15 1.573073445651653E-14 -3.581587526923564E-12 3.919061311531875E-11 -3.957166290150922E-11 6.423545347462868E-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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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