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100217 (1994 PL7)
Classification: Main-belt Asteroid          SPK-ID: 2100217
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 .1956331148734367 6.186e-08  
a 3.150195137436027 2.5898e-08 au
q 2.533912650240263 1.9255e-07 au
i 6.968805185940985 5.5789e-06 deg
node 332.7413092509343 4.2872e-05 deg
peri 41.84783914766354 4.4365e-05 deg
M 221.5271524945604 1.3474e-05 deg
tp 2459986.037160038209
(2023-Feb-10.53716004)
8.2417e-05 TDB
period 2042.22981406262
5.59
2.5184e-05
6.895e-08
d
yr
n .1762779083534433 2.1738e-09 deg/d
Q 3.766477624631791 3.0965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      9421 days (25.79 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:09  

Additional Information
 Earth MOID = 1.53815 au 
 Jupiter MOID = 1.75284 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457307.5 (2015-Oct-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948140603583542 6.1788e-08  
q 2.537643714911689 1.9233e-07 au
tp 2457944.756212980381
(2017-Jul-10.25621298)
6.895e-05 TDB
node 332.7533513400131 4.2882e-05 deg
peri 42.23611427502813 4.4392e-05 deg
i 6.966564651359676 5.5767e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      9421 days (25.79 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:09  

Additional Information
 Jupiter MOID = 1.75284 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.81772376975376E-15 -1.181554340428391E-14 4.737873268130591E-13 -1.468631816760337E-15 -6.377929631169612E-14 -1.863313370869333E-15
q -1.181554340428391E-14 3.699105753829443E-14 -9.038835387065536E-13 8.514917356654688E-15 2.566446335244458E-13 6.501770869607013E-15
tp 4.737873268130591E-13 -9.038835387065536E-13 4.754131608241323E-9 -1.437522904513123E-11 8.059420046216635E-10 -3.259609894725906E-12
node -1.468631816760337E-15 8.514917356654688E-15 -1.437522904513123E-11 1.83887874427473E-9 -1.827636243626865E-9 6.935445863937903E-11
peri -6.377929631169612E-14 2.566446335244458E-13 8.059420046216635E-10 -1.827636243626865E-9 1.970617591491824E-9 -6.941659558868141E-11
i -1.863313370869333E-15 6.501770869607013E-15 -3.259609894725906E-12 6.935445863937903E-11 -6.941659558868141E-11 3.109997537050087E-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 15.02   n/a E2021B55  

100217 (1994 PL7)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1994 PL7 = 2000 SE167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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