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85482 (1997 PL2)
Classification: Main-belt Asteroid          SPK-ID: 2085482
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187873667069359 3.2239e-08  
a 2.316110591286301 9.9721e-09 au
q 1.880974401163162 7.3369e-08 au
i 1.539434976277386 3.8871e-06 deg
node 223.4882302803349 0.0001452 deg
peri 122.8051277306108 0.00014562 deg
M 156.0050334827182 1.3116e-05 deg
tp 2458442.578013999986
(2018-Nov-20.07801400)
4.5028e-05 TDB
period 1287.470733963561
3.52
8.3149e-06
2.276e-08
d
yr
n .2796180064549638 1.8059e-09 deg/d
Q 2.75124678140944 1.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1997-08-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:10  

Additional Information
 Earth MOID = .874476 au 
 Jupiter MOID = 2.66483 au 
 T_jup = 3.557 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456643.5 (2013-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889766357270901 3.2373e-08  
q 1.877699425777213 7.3753e-08 au
tp 2457154.113475329998
(2015-May-11.61347533)
4.1024e-05 TDB
node 223.5817023783669 0.00014554 deg
peri 122.5494672165246 0.00014595 deg
i 1.536707165339466 3.886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1997-08-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:10  

Additional Information
 Jupiter MOID = 2.66483 au 
 T_jup = 3.557 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.047981505560911E-15 -2.373961867384173E-15 -1.68042144127491E-15 4.119420660750785E-15 -2.174223333959834E-14 -2.922469907712258E-16
q -2.373961867384173E-15 5.43953199138081E-15 1.173768645667527E-13 -9.658227848753862E-15 7.257863192688653E-14 7.181139063017327E-16
tp -1.68042144127491E-15 1.173768645667527E-13 1.682972222422706E-9 1.480238772611546E-12 4.593952701623855E-10 3.403593935056921E-13
node 4.119420660750785E-15 -9.658227848753862E-15 1.480238772611546E-12 2.11820568188164E-8 -2.11737010646642E-8 6.287108123555596E-11
peri -2.174223333959834E-14 7.257863192688653E-14 4.593952701623855E-10 -2.11737010646642E-8 2.130089300472145E-8 -6.275193640619718E-11
i -2.922469907712258E-16 7.181139063017327E-16 3.403593935056921E-13 6.287108123555596E-11 -6.275193640619718E-11 1.510098478755597E-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 16.7   n/a MPO453285  
diameter diameter 2.874 km 0.663 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85482 (1997 PL2)          Discovered 1997-Aug-07 by Viscome, G. R. at Rand
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 PL2 = 2000 KA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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