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193811 (2001 PP42)
Classification: Main-belt Asteroid          SPK-ID: 2193811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414136631681064 9.3606e-08  
a 2.298747463305759 1.2694e-08 au
q 1.973673163821299 2.1777e-07 au
i 8.649124606264563 5.0566e-06 deg
node 74.7443938083281 6.2425e-05 deg
peri 282.8635490670155 6.6069e-05 deg
M 120.9457276068137 2.1969e-05 deg
tp 2458572.815656400359
(2019-Mar-30.31565640)
7.6552e-05 TDB
period 1273.020277296648
3.49
1.0545e-05
2.887e-08
d
yr
n .282792039074575 2.3425e-09 deg/d
Q 2.623821762790219 1.4489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      10254 days (28.07 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:10:22  

Additional Information
 Earth MOID = .991863 au 
 Jupiter MOID = 2.84748 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456654.5 (2013-Dec-28.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423819051218744 9.3995e-08  
q 1.970732851733616 2.1881e-07 au
tp 2456026.577144676747
(2012-Apr-09.07714468)
7.1583e-05 TDB
node 74.79066724563138 6.2494e-05 deg
peri 282.627370577495 6.6014e-05 deg
i 8.646306636084942 5.0544e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      10254 days (28.07 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:10:22  

Additional Information
 Jupiter MOID = 2.84748 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.835061825834221E-15 -2.054266648564943E-14 -2.833768685044291E-12 -5.650058995497431E-14 -9.989606777507019E-13 -4.061875714775669E-14
q -2.054266648564943E-14 4.787655521439331E-14 6.541216750679663E-12 1.317550818078161E-13 2.319978406999924E-12 9.487268972352099E-14
tp -2.833768685044291E-12 6.541216750679663E-12 5.124093314911612E-9 6.069466211836143E-11 1.623243326065046E-9 1.363883930428152E-11
node -5.650058995497431E-14 1.317550818078161E-13 6.069466211836143E-11 3.905486990444429E-9 -3.842578631640634E-9 -6.551824172360963E-12
peri -9.989606777507019E-13 2.319978406999924E-12 1.623243326065046E-9 -3.842578631640634E-9 4.357879871475308E-9 1.151033364120976E-11
i -4.061875714775669E-14 9.487268972352099E-14 1.363883930428152E-11 -6.551824172360963E-12 1.151033364120976E-11 2.554646686339299E-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 MPO475632  

193811 (2001 PP42)          Discovered 2001-Aug-12 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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