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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878736684925641 3.2166e-08  
a 2.31611059040962 9.905e-09 au
q 1.880974397154886 7.3127e-08 au
i 1.539435217660257 3.7999e-06 deg
node 223.4882316378791 0.00014515 deg
peri 122.8051274858543 0.00014556 deg
M 156.0050330599679 1.3106e-05 deg
tp 2458442.578015828643
(2018-Nov-20.07801583)
4.4971e-05 TDB
period 1287.470733232572
3.52
8.2589e-06
2.261e-08
d
yr
n .2796180066137228 1.7937e-09 deg/d
Q 2.751246783664354 1.1766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1997-08-07  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:50  

Additional Information
 Earth MOID = .874476 au 
 Jupiter MOID = 2.66483 au 
 T_jup = 3.557 
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Orbital Elements at Epoch 2456723.5 (2014-Mar-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889279562145138 3.2303e-08  
q 1.877957523554649 7.3534e-08 au
tp 2457154.078944513117
(2015-May-11.57894451)
4.0919e-05 TDB
node 223.5827034368833 0.0001455 deg
peri 122.526674257565 0.0001459 deg
i 1.536637897466748 3.7987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1997-08-07  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:50  

Additional Information
 Jupiter MOID = 2.66483 au 
 T_jup = 3.557 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.043499649154406E-15 -2.361993557853853E-15 -8.875449555334634E-15 4.063231152923497E-15 -2.483185566800871E-14 -2.639261883567718E-16
q -2.361993557853853E-15 5.407285077340507E-15 1.372094241387629E-13 -9.432665964941905E-15 8.104142134406614E-14 6.51871361796149E-16
tp -8.875449555334634E-15 1.372094241387629E-13 1.674323813644017E-9 1.151258259228411E-12 4.555360698882476E-10 2.957528518919419E-13
node 4.063231152923497E-15 -9.432665964941905E-15 1.151258259228411E-12 2.116887785512245E-8 -2.116066360841481E-8 6.018194308711045E-11
peri -2.483185566800871E-14 8.104142134406614E-14 4.555360698882476E-10 -2.116066360841481E-8 2.12860361596016E-8 -6.007773032257908E-11
i -2.639261883567718E-16 6.51871361796149E-16 2.957528518919419E-13 6.018194308711045E-11 -6.007773032257908E-11 1.443018283626815E-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

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