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146362 (2001 PR13)
Classification: Main-belt Asteroid          SPK-ID: 2146362
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08783528036716026 4.517e-08  
a 2.658854799852003 1.6108e-08 au
q 2.425313543051432 1.2045e-07 au
i 2.329329393322277 4.1843e-06 deg
node 263.9934803514815 0.00012122 deg
peri 87.59288828696513 0.00012386 deg
M 142.6335328663777 2.5307e-05 deg
tp 2458573.078354898087
(2019-Mar-30.57835490)		 0.00010999 TDB
period 1583.581277821188
4.34		 1.4391e-05
3.94e-08		 d
yr
n .2273328215242071 2.0658e-09 deg/d
Q 2.892396056652573 1.7523e-08 au
   Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1999-01-13  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:29:33  

Additional Information
 Earth MOID = 1.41905 au 
 Jupiter MOID = 2.4622 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456985.5 (2014-Nov-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08911071449588999 4.5615e-08  
q 2.421288735525409 1.2183e-07 au
tp 2456983.996946633512
(2014-Nov-22.49694663)		 0.0001049 TDB
node 264.2165287465333 0.00012151 deg
peri 86.11685406950998 0.000124 deg
i 2.325867286555526 4.182e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1999-01-13  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:29:33  

Additional Information
 Jupiter MOID = 2.4622 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.080694440742251E-15 -5.517210175102925E-15 -4.66580957138289E-13 5.70393455302646E-15 -1.573985897870249E-13 -8.44094372317637E-16
q -5.517210175102925E-15 1.484345768769753E-14 1.396049861698627E-12 -1.456081429815096E-14 4.504553274963002E-13 2.442614609910635E-15
tp -4.66580957138289E-13 1.396049861698627E-12 1.100372531829038E-8 -1.020539827753589E-11 2.620809970020034E-9 9.05040058634593E-13
node 5.70393455302646E-15 -1.456081429815096E-14 -1.020539827753589E-11 1.476571714644491E-8 -1.475575603150353E-8 4.233331802898136E-11
peri -1.573985897870249E-13 4.504553274963002E-13 2.620809970020034E-9 -1.475575603150353E-8 1.537653336825598E-8 -4.208193270977825E-11
i -8.44094372317637E-16 2.442614609910635E-15 9.05040058634593E-13 4.233331802898136E-11 -4.208193270977825E-11 1.748914332777825E-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 16.11   n/a E2021B55  
diameter diameter 2.286 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146362 (2001 PR13)          Discovered 2001-Aug-13 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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