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JPL Small-Body Database Browser
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27839 (1994 PX20)
Classification: Main-belt Asteroid          SPK-ID: 2027839
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031455827707281 3.5121e-08  
a 2.364826419775304 1.0543e-08 au
q 2.120905020555966 8.445e-08 au
i 1.75845051900922 5.1725e-06 deg
node 340.8171508626626 0.00012905 deg
peri 286.6305265641909 0.00013193 deg
M 90.7285179774743 3.0009e-05 deg
tp 2458665.736079014493
(2019-Jul-01.23607901)
0.0001099 TDB
period 1328.303539408674
3.64
8.8833e-06
2.432e-08
d
yr
n .2710223900782969 1.8125e-09 deg/d
Q 2.608747818994642 1.1631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      8942 days (24.48 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56812  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:05:47  

Additional Information
 Earth MOID = 1.10574 au 
 Jupiter MOID = 2.45568 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456468.5 (2013-Jun-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034731199233554 3.5195e-08  
q 2.120206336001333 8.4674e-08 au
tp 2456006.430215447302
(2012-Mar-19.93021545)
0.00010414 TDB
node 340.9578491258107 0.00012922 deg
peri 286.1444726606241 0.00013205 deg
i 1.757767608649228 5.168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      8942 days (24.48 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56812  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:05:47  

Additional Information
 Jupiter MOID = 2.45568 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.23870383501882E-15 -2.96156907762413E-15 2.258634475398604E-13 6.002043991033921E-15 5.752883735109215E-14 3.225060224944981E-16
q -2.96156907762413E-15 7.169755522295326E-15 -3.168260847351441E-13 -1.378422260465987E-14 -7.398788479992865E-14 -7.158102463696347E-16
tp 2.258634475398604E-13 -3.168260847351441E-13 1.084579019124058E-8 2.786049911096729E-11 2.845699293475686E-9 1.059510398026927E-12
node 6.002043991033921E-15 -1.378422260465987E-14 2.786049911096729E-11 1.669707169124187E-8 -1.66812374281187E-8 4.550251848743082E-11
peri 5.752883735109215E-14 -7.398788479992865E-14 2.845699293475686E-9 -1.66812374281187E-8 1.743745176544896E-8 -4.520911579059574E-11
i 3.225060224944981E-16 -7.158102463696347E-16 1.059510398026927E-12 4.550251848743082E-11 -4.520911579059574E-11 2.670808720792922E-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 15.5   n/a MPO290669  

27839 (1994 PX20)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PX20 = 1998 TQ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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