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100596 Perrett (1997 PN2)
Classification: Main-belt Asteroid          SPK-ID: 2100596
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872628260707359 3.5387e-08  
a 3.026963146770842 1.6987e-08 au
q 2.460125473494567 1.0746e-07 au
i 10.37209786758396 5.4033e-06 deg
node 337.5312110469464 2.8491e-05 deg
peri 115.856372455724 3.5422e-05 deg
M 42.76214448974636 1.8171e-05 deg
tp 2458972.010575964380
(2020-May-02.51057596)
9.724e-05 TDB
period 1923.575013235056
5.27
1.6193e-05
4.433e-08
d
yr
n .1871515264666255 1.5754e-09 deg/d
Q 3.593800820047118 2.0168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      8631 days (23.63 yr)  
   first obs. used      1997-07-31  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:53  

Additional Information
 Earth MOID = 1.49764 au 
 Jupiter MOID = 1.66381 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457721.5 (2016-Nov-29.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867558290031223 3.5244e-08  
q 2.460947361103923 1.0693e-07 au
tp 2457051.423689474647
(2015-Jan-28.92368947)
0.00010067 TDB
node 337.5613576224891 2.8487e-05 deg
peri 116.1635365611841 3.5465e-05 deg
i 10.3728225842611 5.4048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      8631 days (23.63 yr)  
   first obs. used      1997-07-31  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:53  

Additional Information
 Jupiter MOID = 1.66381 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.242172760329877E-15 -3.736801299486761E-15 -1.062874937551442E-12 -2.675386653398381E-15 -2.026682096969945E-13 -6.882339969397466E-15
q -3.736801299486761E-15 1.143431740195917E-14 2.805659364335408E-12 9.745156518236101E-15 5.411918574994651E-13 2.165966028321646E-14
tp -1.062874937551442E-12 2.805659364335408E-12 1.013490137765581E-8 3.502582112230772E-12 2.159113175147043E-9 2.319312601321423E-11
node -2.675386653398381E-15 9.745156518236101E-15 3.502582112230772E-12 8.11503219768709E-10 -7.970027036623201E-10 7.024158630899232E-11
peri -2.026682096969945E-13 5.411918574994651E-13 2.159113175147043E-9 -7.970027036623201E-10 1.257799346236452E-9 -6.395130018265315E-11
i -6.882339969397466E-15 2.165966028321646E-14 2.319312601321423E-11 7.024158630899232E-11 -6.395130018265315E-11 2.921143746649926E-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 15.03   n/a E2021B55  
diameter diameter 3.914 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100596 Perrett           Discovered 1997 Aug. 9 by D. D. Balam at National Research Council of Canada.
Kathryn M. Perrett (b. 1971), an authority in the field of galactic dynamics, formation and evolution of galaxies, is a friend and much-valued colleague of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 1997 PN2 = 2003 SQ195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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