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JPL Small-Body Database Browser
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13443 (2785 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2013443
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100524085096674 4.2061e-08  
a 2.617939238705291 1.059e-08 au
q 2.354773291895759 1.1254e-07 au
i 2.171403722104546 3.3563e-06 deg
node 93.06106469885785 0.00011767 deg
peri 250.7993482401022 0.00011911 deg
M 52.41035592172238 1.7181e-05 deg
tp 2458775.256442002055
(2019-Oct-18.75644200)
7.4067e-05 TDB
period 1547.169055679928
4.24
9.3881e-06
2.57e-08
d
yr
n .23268304047213 1.4119e-09 deg/d
Q 2.881105185514824 1.1655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1072  
   data-arc span      21649 days (59.27 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:07:55  

Additional Information
 Earth MOID = 1.34798 au 
 Jupiter MOID = 2.46699 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457087.5 (2015-Mar-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025635042830548 4.2208e-08  
q 2.349482736114375 1.1325e-07 au
tp 2457227.619201079389
(2015-Jul-24.11920108)
7.4241e-05 TDB
node 93.08878906628019 0.00011782 deg
peri 250.7574587607387 0.00011919 deg
i 2.170939672279308 3.353e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1072  
   data-arc span      21649 days (59.27 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:07:55  

Additional Information
 Jupiter MOID = 2.46699 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.781483616436818E-15 -4.763885739863119E-15 5.285452509381927E-13 2.072951361523599E-14 1.301496235014075E-13 -9.892633867859748E-16
q -4.763885739863119E-15 1.282598812077177E-14 -1.596396890229533E-12 -5.497282250460734E-14 -3.954051052763697E-13 2.695949033318745E-15
tp 5.285452509381927E-13 -1.596396890229533E-12 5.51170189527384E-9 1.483881676200966E-11 1.36356223630852E-9 1.045060355523548E-13
node 2.072951361523599E-14 -5.497282250460734E-14 1.483881676200966E-11 1.388206296262095E-8 -1.386803945278516E-8 4.642590749228027E-11
peri 1.301496235014075E-13 -3.954051052763697E-13 1.36356223630852E-9 -1.386803945278516E-8 1.420648929642911E-8 -4.638636287906818E-11
i -9.892633867859748E-16 2.695949033318745E-15 1.045060355523548E-13 4.642590749228027E-11 -4.638636287906818E-11 1.124279127857034E-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 15.1   n/a MPO350909  

13443 (2785 P-L)          Discovered 1960-Sep-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2785 P-L = 1960 UC = 3185 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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