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181683 (4803 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2181683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855377094258257 9.2639e-08  
a 2.455907405145059 1.4966e-08 au
q 2.000243970632521 2.219e-07 au
i 1.660927739551508 7.0594e-06 deg
node 21.30246271837435 0.00016731 deg
peri 348.5173446908017 0.00016791 deg
M 226.1224534129598 1.4154e-05 deg
tp 2459723.283237565991
(2022-May-23.78323757)
5.75e-05 TDB
period 1405.776923178061
3.85
1.285e-05
3.518e-08
d
yr
n .2560861499889632 2.3408e-09 deg/d
Q 2.911570839657596 1.7743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      21759 days (59.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60154  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:36  

Additional Information
 Earth MOID = .998292 au 
 Jupiter MOID = 2.55259 au 
 T_jup = 3.468 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457595.5 (2016-Jul-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841377559946057 9.2495e-08  
q 2.005928640699667 2.2109e-07 au
tp 2456908.919206674711
(2014-Sep-08.41920667)
5.0623e-05 TDB
node 21.33278101801994 0.00016713 deg
peri 348.3271931466923 0.00016774 deg
i 1.662245463906095 7.0566e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      21759 days (59.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60154  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:36  

Additional Information
 Jupiter MOID = 2.55259 au 
 T_jup = 3.468 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.555389193326315E-15 -2.042583882712987E-14 3.953714556146953E-13 3.706930102679154E-14 -2.47137839639212E-13 -1.946045934694096E-15
q -2.042583882712987E-14 4.888223753314354E-14 -9.420414653284265E-13 -9.032927640901209E-14 6.036838488441594E-13 4.745782155442271E-15
tp 3.953714556146953E-13 -9.420414653284265E-13 2.562724380259928E-9 9.783941904015737E-12 7.139563395972455E-10 -8.268948896251716E-13
node 3.706930102679154E-14 -9.032927640901209E-14 9.783941904015737E-12 2.793085292259274E-8 -2.791697560012579E-8 -1.105465340629547E-10
peri -2.47137839639212E-13 6.036838488441594E-13 7.139563395972455E-10 -2.791697560012579E-8 2.813708685403969E-8 1.103246459245484E-10
i -1.946045934694096E-15 4.745782155442271E-15 -8.268948896251716E-13 -1.105465340629547E-10 1.103246459245484E-10 4.979507972358447E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.26   n/a E2021B55  

181683 (4803 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 4803 P-L = 2006 PM24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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