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160321 (2003 KP13)
Classification: Main-belt Asteroid          SPK-ID: 2160321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138302219467728 4.4099e-08  
a 3.06801804141784 2.421e-08 au
q 2.718784866826544 1.3453e-07 au
i 14.376822391796 5.0471e-06 deg
node 88.60448593344461 1.8945e-05 deg
peri 146.579435626374 3.0738e-05 deg
M 85.04693423041422 2.2371e-05 deg
tp 2458736.795348270566
(2019-Sep-10.29534827)
0.00012166 TDB
period 1962.841766527756
5.37
2.3234e-05
6.361e-08
d
yr
n .1834075502870696 2.171e-09 deg/d
Q 3.417251216009136 2.6966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:53  

Additional Information
 Earth MOID = 1.71611 au 
 Jupiter MOID = 1.67055 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457581.5 (2016-Jul-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115392085460093 4.443e-08  
q 2.726418168491747 1.3477e-07 au
tp 2456775.701594461899
(2014-Apr-28.20159446)
0.00012547 TDB
node 88.64068923277414 1.8923e-05 deg
peri 147.0521286863148 3.1019e-05 deg
i 14.38325771380516 5.0496e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:53  

Additional Information
 Jupiter MOID = 1.67055 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.974068665091373E-15 -5.914928253986788E-15 -5.006007020457684E-13 -6.09117870035322E-15 -8.822151181204346E-14 -4.715015667038547E-15
q -5.914928253986788E-15 1.816361549045645E-14 1.115401590429854E-12 2.188603431493202E-14 2.225525284799025E-13 1.707049386678875E-14
tp -5.006007020457684E-13 1.115401590429854E-12 1.57439231766668E-8 2.95422777074304E-11 3.104418439642486E-9 3.494202595457877E-13
node -6.09117870035322E-15 2.188603431493202E-14 2.95422777074304E-11 3.580917196602896E-10 -3.402858875694389E-10 -6.247065145000931E-12
peri -8.822151181204346E-14 2.225525284799025E-13 3.104418439642486E-9 -3.402858875694389E-10 9.622088648321652E-10 6.491033386260261E-12
i -4.715015667038547E-15 1.707049386678875E-14 3.494202595457877E-13 -6.247065145000931E-12 6.491033386260261E-12 2.549874319883624E-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 15.05   n/a E2021B55  
diameter diameter 4.651 km 1.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160321 (2003 KP13)          Discovered 2003-May-26 by NEAT at Haleakala
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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