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JPL Small-Body Database Browser
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17222 Perlmutter (2000 CU44)
Classification: Main-belt Asteroid          SPK-ID: 2017222
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957756235941278 4.6883e-08  
a 2.555814880798369 1.6334e-08 au
q 2.055448628718917 1.2111e-07 au
i 3.957720874750491 5.0305e-06 deg
node 212.6702321779672 7.0071e-05 deg
peri 351.7048385909783 7.2187e-05 deg
M 305.8687160560819 2.409e-05 deg
tp 2459224.908005593825
(2021-Jan-10.40800559)
0.00010123 TDB
period 1492.425010599696
4.09
1.4307e-05
3.917e-08
d
yr
n .2412181499527018 2.3125e-09 deg/d
Q 3.056181132877821 1.9532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1994-11-05  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:58:45  

Additional Information
 Earth MOID = 1.05177 au 
 Jupiter MOID = 1.90686 au 
 T_jup = 3.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456157.5 (2012-Aug-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957653315970375 4.6822e-08  
q 2.055085559526541 1.2085e-07 au
tp 2456241.344512630494
(2012-Nov-09.84451263)
8.6105e-05 TDB
node 212.7143309595908 7.0111e-05 deg
peri 351.8551212693093 7.224e-05 deg
i 3.956163651872266 5.0301e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1994-11-05  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:58:45  

Additional Information
 Jupiter MOID = 1.90686 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.192283406642658E-15 -5.625607905785519E-15 -1.156142267509744E-12 3.868429453564771E-15 -2.022313328885756E-13 -3.489507632068875E-16
q -5.625607905785519E-15 1.460417591039089E-14 3.413553520081506E-12 -8.571602691669653E-15 6.027136684640775E-13 1.492905529384984E-15
tp -1.156142267509744E-12 3.413553520081506E-12 7.414121680945784E-9 -2.015855274671036E-11 1.527314069168559E-9 5.118376357302763E-12
node 3.868429453564771E-15 -8.571602691669653E-15 -2.015855274671036E-11 4.915546541943404E-9 -4.907075551886663E-9 -1.605515271356522E-11
peri -2.022313328885756E-13 6.027136684640775E-13 1.527314069168559E-9 -4.907075551886663E-9 5.218563993819152E-9 1.706719607259367E-11
i -3.489507632068875E-16 1.492905529384984E-15 5.118376357302763E-12 -1.605515271356522E-11 1.706719607259367E-11 2.530228628792262E-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 15.1   n/a MPO412313  

17222 Perlmutter           Discovered 2000 Feb. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Frances Perlmutter for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Perlmutter is a teacher at the Horace Mann School, Bronx, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020227/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 CU44 = 1998 WQ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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