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18168 (2000 PN28)
Classification: Main-belt Asteroid          SPK-ID: 2018168
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438634549841929 3.5259e-08  
a 2.560509696392789 1.2602e-08 au
q 2.192145924949196 9.0714e-08 au
i 15.40088194163647 3.3021e-06 deg
node 227.4891512485571 1.4455e-05 deg
peri 253.1678880603841 2.0787e-05 deg
M 246.6738367276708 1.9135e-05 deg
tp 2459671.602868923757
(2022-Apr-02.10286892)
8.1657e-05 TDB
period 1496.539086080246
4.10
1.1048e-05
3.025e-08
d
yr
n .2405550268272087 1.7759e-09 deg/d
Q 2.928873467836383 1.4415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1615  
   data-arc span      14148 days (38.74 yr)  
   first obs. used      1982-05-15  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:24:34  

Additional Information
 Earth MOID = 1.26262 au 
 Jupiter MOID = 2.38529 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457871.5 (2017-Apr-28.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426140244428517 3.4969e-08  
q 2.196264432593751 8.9956e-08 au
tp 2458170.727460904051
(2018-Feb-21.22746090)
7.6327e-05 TDB
node 227.6023194090257 1.4419e-05 deg
peri 252.3182406930435 2.0967e-05 deg
i 15.41905933545529 3.3053e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1615  
   data-arc span      14148 days (38.74 yr)  
   first obs. used      1982-05-15  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:24:34  

Additional Information
 Jupiter MOID = 2.38529 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.222797564915811E-15 -3.122550747597369E-15 3.707109846202784E-13 5.366704728865414E-15 6.786690727740269E-14 2.826350612356913E-15
q -3.122550747597369E-15 8.092167698707453E-15 -4.996407462967303E-13 -1.161362826690169E-14 -8.752072301783668E-14 -6.128714041177016E-15
tp 3.707109846202784E-13 -4.996407462967303E-13 5.825747923214426E-9 3.472516515377804E-11 1.182771468719426E-9 6.750893893544615E-12
node 5.366704728865414E-15 -1.161362826690169E-14 3.472516515377804E-11 2.078932213230635E-10 -1.929414725101521E-10 1.110839620783726E-12
peri 6.786690727740269E-14 -8.752072301783668E-14 1.182771468719426E-9 -1.929414725101521E-10 4.396024396545414E-10 2.872964860552464E-13
i 2.826350612356913E-15 -6.128714041177016E-15 6.750893893544615E-12 1.110839620783726E-12 2.872964860552464E-13 1.092532283280675E-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 14.11   n/a E2021B10  

18168 (2000 PN28)          Discovered 2000-Aug-04 by JPL/NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 PN28 = 1982 JN2 = 1998 FY106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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